<?php
if ( ! defined( 'ABSPATH' ) ) {  exit;  }    // Exit if accessed directly

/*
 * The function within this file are theme specific:
 * they are used only by this theme and not by the Avia Framework in general
 */


/* wrap embeds into a proportion containing div */
if(!function_exists('avia_preload_screen'))
{
	function avia_preload_screen()
	{
		$class = avia_get_option('preloader_transitions') != "disabled" ? 'av-transition-enabled' : "";
		$label = __('Loading','avia_framework');
		$logo  = avia_get_option('preloader_logo');
		if( is_numeric( $logo ) )
		{
			$logo = wp_get_attachment_image_src( $logo, 'full' );
			$logo = is_array( $logo ) ? $logo[0] : '';
		}

		if( $logo )
		{
			$class .= " av-transition-with-logo";
			$logo = "<img class='av-preloading-logo' src='{$logo}' alt='{$label}' title='{$label}' />";
		}

		$output  = "";
		$output .= 	"<div class='av-siteloader-wrap {$class}'>";
		$output .= 		"<div class='av-siteloader-inner'>";
		$output .= 			"<div class='av-siteloader-cell'>";
		$output .= 			$logo;
		$output .= 			"<div class='av-siteloader'><div class='av-siteloader-extra'></div>";
		$output .= 			"</div>";
		$output .= 		"</div>";
		$output .= 	"</div>";
		$output .= "</div>";

		return $output;
	}
}



/* filter menu item urls */
if(!function_exists('avia_menu_item_filter'))
{
	add_filter( 'avf_menu_items', 'avia_menu_item_filter', 10 );

	function avia_menu_item_filter ( $item  )
	{

		if(isset( $item->url ) && strpos($item->url, '#DOMAIN') === 0)
		{
			$item->url = str_replace("#DOMAIN", get_site_url(), $item->url);
		}

	    return $item;
	}
}



/* filter menu item urls */
if(!function_exists('avia_maps_key_for_plugins'))
{
	add_filter( 'script_loader_src', 'avia_maps_key_for_plugins', 10, 2 );

	function avia_maps_key_for_plugins ( $url, $handle  )
	{
		$key = get_option( 'gmap_api' );

		if ( ! $key ) { return $url; }

		if ( strpos( $url, "maps.google.com/maps/api/js" ) !== false || strpos( $url, "maps.googleapis.com/maps/api/js" ) !== false )
		{
				//	if no key, we can generate a new link with our key
			if ( strpos( $url, "key=" ) === false )
			{
				$url = av_google_maps::api_url( $key );
			}
		}

		return $url;
	}
}



/* wrap embeds into a proportion containing div */
if(!function_exists('avia_iframe_proportion_wrap'))
{
	add_filter( 'embed_oembed_html', 'avia_iframe_proportion_wrap', 10, 4 );

	function avia_iframe_proportion_wrap ( $html, $url, $attr, $post_ID  )
	{
		if(strpos($html, '<iframe') !== false)
		{
			$html = "<div class='avia-iframe-wrap'>{$html}</div>";
		}
	    return $html;
	}
}



/* AJAX SEARCH */
if( ! function_exists( 'avia_append_search_nav' ) )
{
	//first append search item to main menu
	add_filter( 'wp_nav_menu_items', 'avia_append_search_nav', 9997, 2 );
	add_filter( 'avf_fallback_menu_items', 'avia_append_search_nav', 9997, 2 );

	/**
	 *
	 *
	 * @param string $items
	 * @param array $args
	 * @return string
	 */
	function avia_append_search_nav ( $items, $args )
	{
		if( avia_get_option( 'header_searchicon', 'header_searchicon' ) != "header_searchicon" )
		{
			return $items;
		}

		if( avia_get_option( 'header_position', 'header_top' ) != "header_top" )
		{
			return $items;
		}

		if( ( is_object( $args ) && $args->theme_location == 'avia') || ( is_string( $args ) && $args = 'fallback_menu' ) )
		{

			ob_start();
			get_search_form();
			$form = ob_get_clean();

			$form = str_replace( '<form ', '<form role="search" ', $form );
			$form = htmlspecialchars( $form );

			/**
			 * Avoid duplicate indexing or empty search page
			 *
			 * @since 4.5.3
			 * @param string $items
			 * @param array $args
			 * @return string
			 */
			$nofollow = apply_filters( 'avf_nav_search_icon_nofollow', 'rel="nofollow"', $items, $args );

			$aria_label = __( 'Search', 'avia_framework' );
			$aria_label = apply_filters( 'avf_nav_search_aria_label', $aria_label, $items, $args );

			$items .=	'<li id="menu-item-search" class="noMobile menu-item menu-item-search-dropdown menu-item-avia-special">';
			$items .=		'<a aria-label="' . $aria_label . '" href="?s=" '. $nofollow . ' data-avia-search-tooltip="' . $form . '" ' . av_icon_string( 'search', false ) . '>';
			$items .=			'<span class="avia_hidden_link_text">' . __( 'Search', 'avia_framework' ) . '</span>';
			$items .=		'</a>';
			$items .=	'</li>';
		}

		return $items;
	}
}

/*	Prepare a possible fix for menu plugins, that remove theme location from menu array to exchange the menus	*/
if( ! function_exists( 'avia_save_menu_location' ) )
{
	add_filter( 'wp_nav_menu_args', 'avia_save_menu_location', 1, 1 );

	function avia_save_menu_location( $args )
	{
		global $avia_config;

		$avia_config['current_menu_location_output'] = isset( $args['theme_location'] ) ? $args['theme_location'] : '';

		return $args;
	}
}


/* Append the burger menu */
if(!function_exists('avia_append_burger_menu'))
{
	//first append search item to main menu
	add_filter( 'wp_nav_menu_items', 'avia_append_burger_menu', 9998, 2 );
	add_filter( 'avf_fallback_menu_items', 'avia_append_burger_menu', 9998, 2 );

	function avia_append_burger_menu ( $items , $args )
	{
		global $avia_config;

		$location = ( is_object( $args ) && isset( $args->theme_location ) ) ? $args->theme_location : '';
		$original_location = isset( $avia_config['current_menu_location_output'] ) ? $avia_config['current_menu_location_output'] : '';

		/**
		 * Allow compatibility with plugins that change menu or third party plugins to manpulate the location
		 *
		 * @used_by Enfold config-menu-exchange\config.php			10
		 * @since 4.1.3
		 */
		$location = apply_filters( 'avf_append_burger_menu_location', $location, $original_location, $items , $args );

	    if( ( is_object( $args ) && ( $location == 'avia' ) ) || ( is_string( $args ) && ( $args == "fallback_menu" ) ) )
	    {
	        $class = avia_get_option('burger_size');

	        $items .= '<li class="av-burger-menu-main menu-item-avia-special '.$class.'">
	        			<a href="#">
							<span class="av-hamburger av-hamburger--spin av-js-hamburger">
					        <span class="av-hamburger-box">
						          <span class="av-hamburger-inner"></span>
						          <strong>'.__('Menu','avia_framework').'</strong>
					        </span>
							</span>
						</a>
	        		   </li>';
	    }
	    return $items;
	}
}

if(!function_exists('avia_is_burger_menu'))
{
	function avia_is_burger_menu ()
	{
		$burger_menu = false;

		if(avia_get_option('menu_display') !== "burger_menu") return $burger_menu;
		if(avia_get_option('header_position') !== "header_top") return $burger_menu;

		//if(avia_get_option('header_position') !== "header_top") return $burger_menu;
		//if(strpos(avia_get_option('header_layout'), 'main_nav_header') === false) return $burger_menu;

	    return true;
	}
}





if(!function_exists('avia_ajax_search'))
{
	//now hook into wordpress ajax function to catch any ajax requests
	add_action( 'wp_ajax_avia_ajax_search', 'avia_ajax_search' );
	add_action( 'wp_ajax_nopriv_avia_ajax_search', 'avia_ajax_search' );

	function avia_ajax_search()
	{
	    global $avia_config;

	    unset($_REQUEST['action']);
	    if(empty($_REQUEST['s'])) $_REQUEST['s'] = array_shift(array_values($_REQUEST));
		if(empty($_REQUEST['s'])) die();

	    $defaults = array('numberposts' => 5, 'post_type' => 'any', 'post_status' => 'publish', 'post_password' => '', 'suppress_filters' => false, 'results_hide_fields' => '');

	    $_REQUEST['s'] = apply_filters( 'get_search_query', $_REQUEST['s']);

	    $search_parameters 	= array_merge($defaults, $_REQUEST);

	    if ( $search_parameters['results_hide_fields'] !== '' ) {
            $search_parameters['results_hide_fields'] = explode(',', $_REQUEST['results_hide_fields']);
        }
        else {
            $search_parameters['results_hide_fields'] = array();
        }

        $search_query 		= apply_filters('avf_ajax_search_query', http_build_query($search_parameters));
	    $query_function     = apply_filters('avf_ajax_search_function', 'get_posts', $search_query, $search_parameters, $defaults);
	    $posts		= (($query_function == 'get_posts') || !function_exists($query_function))  ? get_posts($search_query) : $query_function($search_query, $search_parameters, $defaults);

	    $search_messages = array(
	            'no_criteria_matched' => __("Sorry, no posts matched your criteria", 'avia_framework'),
	            'another_search_term' => __("Please try another search term", 'avia_framework'),
	            'time_format'         => get_option('date_format'),
	            'all_results_query'   => http_build_query($_REQUEST),
	            'all_results_link'    => home_url('?' . http_build_query($_REQUEST)),
	            'view_all_results'    => __('View all results','avia_framework')
            );

	    $search_messages = apply_filters('avf_ajax_search_messages', $search_messages, $search_query);

	    if(empty($posts))
	    {
	        $output  = "<span class='av_ajax_search_entry ajax_not_found'>";
	        $output .= "<span class='av_ajax_search_image ".av_icon_string('info')."'>";
	        $output .= "</span>";
	        $output .= "<span class='av_ajax_search_content'>";
	        $output .= "    <span class='av_ajax_search_title'>";
            	$output .= $search_messages['no_criteria_matched'];
	        $output .= "    </span>";
	        $output .= "    <span class='ajax_search_excerpt'>";
            	$output .= $search_messages['another_search_term'];
	        $output .= "    </span>";
	        $output .= "</span>";
	        $output .= "</span>";
	        echo $output;
	        die();
	    }

	    //if we got posts resort them by post type
	    $output = "";
	    $sorted = array();
	    $post_type_obj = array();
	    foreach($posts as $post)
	    {
	        $sorted[$post->post_type][] = $post;
	        if(empty($post_type_obj[$post->post_type]))
	        {
	            $post_type_obj[$post->post_type] = get_post_type_object($post->post_type);
	        }
	    }



	    //now we got everything we need to preapre the output
	    foreach($sorted as $key => $post_type)
	    {

	        // check if post titles are in the hidden fields list
	        if ( ! in_array('post_titles', $search_parameters['results_hide_fields'] ) )
	        {
                if(isset($post_type_obj[$key]->labels->name))
                {
                    $label = apply_filters('avf_ajax_search_label_names', $post_type_obj[$key]->labels->name);
                    $output .= "<h4>".$label."</h4>";
                }
                else
                {
                    $output .= "<hr />";
                }
            }


	        foreach($post_type as $post) {


	            $image = "";
                $extra_class = "";

                // check if image is in the hidden fields list
                if (!in_array('image', $search_parameters['results_hide_fields']))
                {
                    $image = get_the_post_thumbnail($post->ID, 'thumbnail');
                    $extra_class = $image ? "with_image" : "";
                    $post_type = $image ? "" : ( get_post_format($post->ID) != "" ? get_post_format($post->ID) : "standard" );
                    $iconfont = $image ? "" : av_icon_string($post_type);

                }

	            $excerpt     = "";

                // check if post meta fields are in the hidden fields list
                if ( ! in_array('meta', $search_parameters['results_hide_fields'] ) )
                {
                    if(!empty($post->post_excerpt))
                    {
                        $excerpt =  apply_filters( 'avf_ajax_search_excerpt', avia_backend_truncate($post->post_excerpt,70," ","...", true, '', true) );
                    }
                    else
                    {
                        $excerpt = apply_filters( 'avf_ajax_search_no_excerpt', get_the_time( $search_messages['time_format'], $post->ID ), $post );
                    }
                }


	            $link = apply_filters('av_custom_url', get_permalink($post->ID), $post);

	            $output .= "<a class ='av_ajax_search_entry {$extra_class}' href='".$link."'>";

	            if ($image !== "" || $iconfont) {
                    $output .= "<span class='av_ajax_search_image' {$iconfont}>";
                    $output .= $image;
                    $output .= "</span>";
                }
	            $output .= "<span class='av_ajax_search_content'>";
	            $output .= "    <span class='av_ajax_search_title'>";
	            $output .=      get_the_title($post->ID);
	            $output .= "    </span>";
	            if ($excerpt !== '') {
                    $output .= "    <span class='ajax_search_excerpt'>";
                    $output .=      $excerpt;
                    $output .= "    </span>";
                }
	            $output .= "</span>";
	            $output .= "</a>";
	        }
	    }

	    $output .= "<a class='av_ajax_search_entry av_ajax_search_entry_view_all' href='".$search_messages['all_results_link']."'>".$search_messages['view_all_results']."</a>";

	    echo $output;
	    die();
	}
}


if(!function_exists('avia_social_widget_icon'))
{
	/*modify twitter social count widget and add social icons as iconfont*/
	add_filter('avf_social_widget', 'avia_social_widget_icon',2,2);

	function avia_social_widget_icon($content, $icon)
	{
		global $avia_config;

		$content = "<span class='social_widget_icon' ".av_icon_string($icon)."></span>".$content;
		return $content;
	}
}





//call functions for the theme
add_filter('the_content_more_link', 'avia_remove_more_jump_link');
add_post_type_support('page', 'excerpt');




//allow additional file type uploads
if(!function_exists('avia_upload_mimes'))
{
	add_filter('upload_mimes','avia_upload_mimes');
	function avia_upload_mimes($mimes){ return array_merge($mimes, array ('mp4' => 'video/mp4', 'ogv' => 'video/ogg', 'webm' => 'video/webm', 'txt' => 'text/plain')); }
}




//change default thumbnail size and fullwidth size on theme activation
if(!function_exists('avia_set_thumb_size'))
{
	add_action('avia_backend_theme_activation', 'avia_set_thumb_size');
	function avia_set_thumb_size()
	{
		update_option( 'thumbnail_size_h', 80 ); update_option( 'thumbnail_size_w', 80 );
		update_option( 'large_size_w', 1030 ); 	 update_option( 'large_size_h', 1030 );
	}
}




//add support for post thumbnails
add_theme_support( 'post-thumbnails' );




//advanced title + breadcrumb function
if(!function_exists('avia_title'))
{
	function avia_title($args = false, $id = false)
	{
		global $avia_config;

		if(!$id) $id = avia_get_the_id();

		$header_settings = avia_header_setting();
		if($header_settings['header_title_bar'] == 'hidden_title_bar') return "";

		$defaults 	 = array(

			'title' 		=> get_the_title($id),
			'subtitle' 		=> "", //avia_post_meta($id, 'subtitle'),
			'link'			=> get_permalink($id),
			'html'			=> "<div class='{class} title_container'><div class='container'>{heading_html}{additions}</div></div>",
			'heading_html'	=> "<{heading} class='main-title entry-title {heading_class}'>{title}</{heading}>",
			'class'			=> 'stretch_full container_wrap alternate_color '.avia_is_dark_bg('alternate_color', true),
			'breadcrumb'	=> true,
			'additions'		=> "",
			'heading'		=> 'h1', //headings are set based on this article: http://yoast.com/blog-headings-structure/
			'heading_class'	=> ''
		);

		if ( is_tax() || is_category() || is_tag() )
		{
			global $wp_query;

			$term = $wp_query->get_queried_object();
			$defaults['link'] = get_term_link( $term );
		}
		else if(is_archive())
		{
			$defaults['link'] = "";
		}


		// Parse incomming $args into an array and merge it with $defaults
		$args = wp_parse_args( $args, $defaults );

		/**
		 * @used_by		config-woocommerce\config.php avia_title_args_woopage()				10
		 * @since < 4.0
		 * @return array
		 */
		$args = apply_filters( 'avf_title_args', $args, $id );

		//disable breadcrumb if requested
		if($header_settings['header_title_bar'] == 'title_bar') $args['breadcrumb'] = false;

		//disable title if requested
		if($header_settings['header_title_bar'] == 'breadcrumbs_only') $args['title'] = '';


		// OPTIONAL: Declare each item in $args as its own variable i.e. $type, $before.
		extract( $args, EXTR_SKIP );

		if(empty($title)) $class .= " empty_title ";
        $markup = avia_markup_helper(array('context' => 'avia_title','echo'=>false));
		if(!empty($link) && !empty($title)) $title = "<a href='".$link."' rel='bookmark' title='".__('Permanent Link:','avia_framework')." ".esc_attr( $title )."' $markup>".$title."</a>";
		if(!empty($subtitle)) $additions .= "<div class='title_meta meta-color'>".wpautop($subtitle)."</div>";
		if($breadcrumb) $additions .= avia_breadcrumbs(array('separator' => '/', 'richsnippet' => true));


		if(!$title) $heading_html = "";
		$html = str_replace('{heading_html}', $heading_html, $html);


		$html = str_replace( '{class}', $class, $html );
		$html = str_replace( '{title}', $title, $html );
		$html = str_replace( '{additions}', $additions, $html );
		$html = str_replace( '{heading}', $heading, $html );
		$html = str_replace( '{heading_class}', $heading_class, $html );

		if(!empty($avia_config['slide_output']) && !avia_is_dynamic_template($id) && !avia_is_overview())
		{
			$avia_config['small_title'] = $title;
		}
		else
		{
			return $html;
		}
	}
}





if( ! function_exists( 'avia_post_nav' ) )
{
	/**
	 * Add navigation link elements for single post pages
	 *
	 * @since < 4.0
	 * @param boolean $same_category
	 * @param string $taxonomy
	 * @return string
	 */
	function avia_post_nav( $same_category = false, $taxonomy = 'category' )
	{
		global $post, $wp_version;

		/**
		 * Create a settings array to allow filtering and change behaviour
		 */
		$settings = array();

		$settings['disable_post_nav_option'] = avia_get_option('disable_post_nav');
		$settings['skip_output'] = ! is_singular() || 'disable_post_nav' == $settings['disable_post_nav_option'];
		$settings['loop_post_nav'] = 'loop_post_nav' == $settings['disable_post_nav_option'];

		$settings['same_category'] = $same_category;
		$settings['excluded_terms'] = '';
		$settings['wpversion'] = $wp_version;
		$settings['type'] = get_post_type();
		$settings['taxonomy'] = ( $settings['type'] == 'portfolio' ) ? 'portfolio_entries' : $taxonomy;

		/**
		 * Don't display if a fullscreen slider is available since they overlap
		 */
		$settings['is_fullwidth'] = false;
		if( ( class_exists( 'avia_sc_layerslider' ) && ! empty( avia_sc_layerslider::$slide_count ) ) ||
			( class_exists( 'avia_sc_slider_full' ) && ! empty( avia_sc_slider_full::$slide_count ) )  )
		{
			 $settings['is_fullwidth'] = true;
		}

		$settings['is_hierarchical'] = is_post_type_hierarchical( $settings['type'] );

		/**
		 * Check if we need to skip output
		 */
		if( ! $settings['skip_output'] )
		{
			$settings['skip_output'] = $settings['is_hierarchical'] || $settings['is_fullwidth'];
		}

		/**
		 * Backwards compatibility - next 2 lines will be removed in a future version
		 */
		$settings = apply_filters_deprecated( 'avia_post_nav_settings', array( $settings ), '4.5.6', 'avf_post_nav_settings', __( 'Return values handling has changed', 'avia_framework' ) );
		$settings['skip_output'] = $settings['skip_output'] || ! empty( $settings['is_hierarchical'] ) || ! empty( $settings['is_fullwidth'] );


		/**
		 * $settings['skip_output'] = true if you want to skip output
		 * $settings['same_category'] = true|false
		 * $settings['excluded_terms'] = array|comma speerated string of id's
		 *
		 * @used_by			config-bbpress\config.php  avia_bbpress_avf_post_nav_settings		10
		 * @since 4.5.6
		 * @return array
		 */
		$settings = apply_filters( 'avf_post_nav_settings', $settings );

		if( true === $settings['skip_output'] )
		{
			return '';
		}

		if(version_compare( $settings['wpversion'], '3.8', '>=' ) )
		{
			$entries['prev'] = get_previous_post( $settings['same_category'], $settings['excluded_terms'], $settings['taxonomy'] );
			$entries['next'] = get_next_post( $settings['same_category'], $settings['excluded_terms'], $settings['taxonomy'] );
		}
		else
		{
			$entries['prev'] = get_previous_post( $settings['same_category'] );
			$entries['next'] = get_next_post( $settings['same_category'] );
		}

		$queried_entries = $entries;
		if( true === $settings['loop_post_nav'] && ( ! $entries['prev'] instanceof WP_Post || ! $entries['next'] instanceof WP_Post ) )
		{
			$order = ! $entries['prev'] instanceof WP_Post ? 'DESC' : 'ASC';
			$args = array(
						'post_type'			=> $settings['type'],
						'post_status'		=> 'publish',
						'posts_per_page'	=> 1,
						'orderby'			=> array( 'post_date' => $order, 'ID' => $order )
					);


			$tax_query = array();

			if( $settings['same_category'] )
			{
				$ids_in = array();
				$terms = get_the_terms( $post, $settings['taxonomy'] );
				if( is_array( $terms ) && ! empty( $terms ) )
				{
					foreach( $terms as $term )
					{
						$ids_in[] = $term->term_id;
					}
				}

				if( ! empty( $ids_in ) )
				{
					$tax_query[] = array(
											'taxonomy'	=> $settings['taxonomy'],
											'field'		=> 'term_id',
											'terms'		=> $ids_in,
											'operator'	=> 'IN',
									);
				}
			}

			if( ! empty( $settings['excluded_terms'] ) )
			{
				$ids_not_in = array();
				if( is_array( $settings['excluded_terms'] ) )
				{
					$ids_not_in = $settings['excluded_terms'];
				}
				else
				{
					$ids_not_in = explode( ',', $settings['excluded_terms'] );
				}

				if( ! empty( $ids_not_in ) )
				{
					$tax_query[] = array(
											'taxonomy'	=> $settings['taxonomy'],
											'field'		=> 'term_id',
											'terms'		=> $ids_not_in,
											'operator'	=> 'NOT IN',
									);
				}
			}

			if( count( $tax_query ) > 1 )
			{
				$tax_query['relation'] = 'AND';
			}

			if( count( $tax_query ) >= 1 )
			{
				$args['tax_query'] = $tax_query;
			}

			/**
			 * Allows e.g. to change sort order of posts (see WP filter "get_{$adjacent}_post_sort") in get_adjacent_post()
			 *
			 * @since 4.5.6.2
			 * @param array $args
			 * @param array $settings
			 * @return array
			 */
			$args = apply_filters( 'avf_post_nav_loop_args', $args, $settings );

			$looped = new WP_Query( $args );
			if( $looped->post_count >= 1 )
			{
				if( ! $entries['prev'] instanceof WP_Post )
				{
					$entries['prev'] = $looped->posts[0];
				}
				else
				{
					$entries['next'] = $looped->posts[0];
				}
			}
		}

		/**
		 * Backwards comp. only, will be removed in future
		 * @since < 4.0
		 * @added 4.5.6
		 */
		$entries = apply_filters_deprecated( 'avia_post_nav_entries', array( $entries, $settings, $queried_entries ), '4.5.6', 'avf_post_nav_entries', __( 'Filter name has changed', 'avia_framework' ) );

		/**
		 * @used_by		config-events-calendar\config.php avia_events_custom_post_nav()			10
		 *
		 * @since 4.5.6
		 * @return array
		 */
		$entries = apply_filters( 'avf_post_nav_entries', $entries, $settings, $queried_entries );


		$output = '';

		foreach( $entries as $key => $entry )
		{
			if( empty( $entry ) )
			{
				continue;
			}

			$the_title 	= isset($entry->av_custom_title) ? $entry->av_custom_title : avia_backend_truncate(get_the_title( $entry->ID), 75, ' ' );
			$link 		= isset($entry->av_custom_link)  ? $entry->av_custom_link  : get_permalink( $entry->ID );
			$image 		= isset($entry->av_custom_image) ? $entry->av_custom_image : get_the_post_thumbnail( $entry->ID, 'thumbnail' );

			$tc1   = $tc2 = '';
			$class = $image ? 'with-image' : 'without-image';

			$output .= "<a class='avia-post-nav avia-post-{$key} {$class}' href='{$link}' >";
			$output .= "    <span class='label iconfont' " . av_icon_string( $key ) . "></span>";
			$output .= "    <span class='entry-info-wrap'>";
			$output .= "        <span class='entry-info'>";

			$tc1     = "            <span class='entry-title'>{$the_title}</span>";
			if( $image )
			{
				$tc2 = "            <span class='entry-image'>{$image}</span>";
			}

			$output .= $key == 'prev' ?  $tc1 . $tc2 : $tc2 . $tc1;

			$output .= "        </span>";
			$output .= "    </span>";
			$output .= "</a>";
		}

		return $output;
	}
}






//wrap ampersands into special calss to apply special styling

if(!function_exists('avia_ampersand'))
{
	add_filter('avia_ampersand','avia_ampersand');

	function avia_ampersand($content)
	{
		//ampersands
		$content = str_replace(" &amp; "," <span class='special_amp'>&amp;</span> ",$content);
		$content = str_replace(" &#038; "," <span class='special_amp'>&amp;</span> ",$content);


		// quotes
		$content = str_replace("“","<span class='special_amp'>“</span>",$content); // left double quotation mark “
		$content = str_replace("”","<span class='special_amp'>”</span>",$content); // right double quotation mark ”
		$content = str_replace("„","<span class='special_amp'>„</span>",$content); // double low-9 quotation mark „


		$content = str_replace("&#8220;","<span class='special_amp'>&#8220;</span>",$content); // left double quotation mark “
		$content = str_replace("&#8221;","<span class='special_amp'>&#8221;</span>",$content); // right double quotation mark ”
		$content = str_replace("&#8222;","<span class='special_amp'>&#8222;</span>",$content); // double low-9 quotation mark „

		return $content;
	}
}





// checks if a background color of a specific region is dark  or light and returns a class name
if(!function_exists('avia_is_dark_bg'))
{
	function avia_is_dark_bg($region, $return_only = false)
	{
		global $avia_config;

		$return = "";
		$color = $avia_config['backend_colors']['color_set'][$region]['bg'];

		$is_dark = avia_backend_calc_preceived_brightness($color, 70);

		$return = $is_dark ? "dark_bg_color" : "light_bg_color";
		if($return_only)
		{
			return $return;
		}
		else
		{
			echo $return;
		}
	}
}




//set post excerpt to be visible on theme acivation in user backend
if(!function_exists('avia_show_menu_description'))
{

	//add_action('avia_backend_theme_activation', 'avia_show_menu_description');
	function avia_show_menu_description()
	{
		global $current_user;
	    get_currentuserinfo();
		$old_meta_data = $meta_data = get_user_meta($current_user->ID, 'metaboxhidden_page', true);

		if(is_array($meta_data) && isset($meta_data[0]))
		{
			$key = array_search('postexcerpt', $meta_data);

			if($key !== false)
			{
				unset($meta_data[$key]);
				update_user_meta( $current_user->ID, 'metaboxhidden_page', $meta_data, $old_meta_data );
			}
		}
		else
		{
				update_user_meta( $current_user->ID, 'metaboxhidden_page', array('postcustom', 'commentstatusdiv', 'commentsdiv', 'slugdiv', 'authordiv', 'revisionsdiv') );
		}
	}
}




/*
* make google analytics code work, even if the user only enters the UA id. if the new async tracking code is entered add it to the header, else to the footer
*/

if( ! function_exists( 'avia_get_tracking_code' ) )
{
	add_action( 'init', 'avia_get_tracking_code' );

	function avia_get_tracking_code()
	{
		global $avia_config;

		$avia_config['analytics_code'] = '';

		$analytics = avia_get_option( 'analytics', '' );
		$avia_config['analytics_code'] = trim( $analytics );

		if( empty( $avia_config['analytics_code'] ) )
		{
			return;
		}

		if( strpos( $avia_config['analytics_code'], 'UA-' ) === 0 ) // if we only get passed the UA-id create the script for the user (universal tracking code)
		{
			$avia_config['analytics_code'] = "
<!-- Global site tag (gtag.js) - Google Analytics -->
<script id='google_analytics_script' class='google_analytics_scripts' async src='https://www.googletagmanager.com/gtag/js?id=" . $avia_config['analytics_code'] . "'></script>
<script class='google_analytics_scripts' type='text/javascript'>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', '" . $avia_config['analytics_code'] . "', { 'anonymize_ip': true });
</script>
";
		}

		add_action( 'wp_footer', 'avia_print_tracking_code', 10000 );
	}

	function avia_print_tracking_code()
	{
		global $avia_config;

		if( ! empty( $avia_config['analytics_code'] ) )
		{
			//extract UA ID from code
			$UAID = false;
			$extra_code = '';
			$match = array();
			preg_match( "!UA-[0-9]+-[0-9]+!", $avia_config['analytics_code'], $match );

			if( ! empty( $match ) && isset( $match[0] ) )
			{
				$UAID = $match[0];
			}

			$code = json_encode( $avia_config['analytics_code'] );

			//if we got a valid uaid, add the js cookie check
			if( $UAID )
			{
				$extra_code = "
<script type='text/javascript'>

	(function($) {

			/*	check if google analytics tracking is disabled by user setting via cookie - or user must opt in.	*/

			var analytics_code = {$code}.replace(/\\\"/g, '\"' );
			var html = document.getElementsByTagName('html')[0];

			$('html').on( 'avia-cookie-settings-changed', function(e)
			{
					var cookie_check = html.className.indexOf('av-cookies-needs-opt-in') >= 0 || html.className.indexOf('av-cookies-can-opt-out') >= 0;
					var allow_continue = true;
					var silent_accept_cookie = html.className.indexOf('av-cookies-user-silent-accept') >= 0;
					var script_loaded = $( 'script.google_analytics_scripts' );

					if( cookie_check && ! silent_accept_cookie )
					{
						if( ! document.cookie.match(/aviaCookieConsent/) || html.className.indexOf('av-cookies-session-refused') >= 0 )
						{
							allow_continue = false;
						}
						else
						{
							if( ! document.cookie.match(/aviaPrivacyRefuseCookiesHideBar/) )
							{
								allow_continue = false;
							}
							else if( ! document.cookie.match(/aviaPrivacyEssentialCookiesEnabled/) )
							{
								allow_continue = false;
							}
							else if( document.cookie.match(/aviaPrivacyGoogleTrackingDisabled/) )
							{
								allow_continue = false;
							}
						}
					}

					if( ! allow_continue )
					{
//						window['ga-disable-{$UAID}'] = true;
						if( script_loaded.length > 0 )
						{
							script_loaded.remove();
						}
					}
					else
					{
						if( script_loaded.length == 0 )
						{
							$('head').append( analytics_code );
						}
					}
			});

			$('html').trigger( 'avia-cookie-settings-changed' );

	})( jQuery );

</script>";
			}

//			echo $extra_code . $avia_config['analytics_code'];

			echo $extra_code;
		}
	}
}


/*
function that checks which header style we are using. In general the whole site has the same header active, based on the option in theme options->header
however, for the theme demo we need to showcase all headers, thats why we can simply add a custom field key to overwrite the default heading
*/

if(!function_exists('avia_header_setting'))
{
	function avia_header_setting($single_val = false)
	{
		global $avia_config;
		if(isset($avia_config['header_settings']) && $single_val && isset($avia_config['header_settings'][$single_val])) return $avia_config['header_settings'][$single_val];
		if(isset($avia_config['header_settings']) && !$single_val) return $avia_config['header_settings']; //return cached header setting if available

		$defaults = array(  'header_position' 			=> 'header_top',
							'header_layout'				=> 'logo_left menu_right',
							'header_size'				=> 'slim',
							'header_custom_size'		=> '',
							'header_sticky'				=> 'header_sticky',
							'header_shrinking'			=>'header_shrinking',
							'header_title_bar'			=> '',
							'header_social'				=> '',
							'header_unstick_top'		=> '',
							'header_secondary_menu'		=> '',
							'header_stretch'			=> '',
							'header_custom_size'		=> '',
							'header_phone_active'		=> '',
							'header_replacement_logo'	=> '',
							'header_replacement_logo_title'	=> '',
							'header_replacement_logo_alt'	=> '',
							'header_replacement_menu'	=> '',
							'submenu_visibility' 		=> '',
							'overlay_style'				=> 'av-overlay-side',
							'header_searchicon' 		=> true,
							'header_mobile_activation' 	=> 'mobile_menu_phone',
							'phone'						=>'',
							'sidebarmenu_sticky' 		=> 'conditional_sticky',
							'layout_align_content' 		=> 'content_align_center',
							'sidebarmenu_widgets' 		=> '',
							'sidebarmenu_social' 		=> 'disabled',
							'header_menu_border' 		=> '',
							'header_style'				=> '',
							'blog_global_style'			=> '',
							'menu_display' 				=> '',
							'alternate_menu'			=> '',
							'submenu_clone' 			=> 'av-submenu-noclone',
						  );

		$settings = avia_get_option();

		//overwrite with custom fields if they are set
		$post_id = avia_get_the_id();
		if($post_id && is_singular())
		{
			$custom_fields = get_post_custom($post_id);

			foreach( $defaults as $key => $default )
			{
				if(!empty($custom_fields[$key]) && !empty($custom_fields[$key][0]) )
				{
					$settings[$key] = $custom_fields[$key][0];
				}
			}

			//check if header transparency is set to true
			$transparency = post_password_required() ? false : get_post_meta($post_id, 'header_transparency', true);
		}

		$header = shortcode_atts($defaults, $settings);
		$header['header_scroll_offset'] = avia_get_header_scroll_offset($header);

		//if sidebar main menu is active set the header accordingly and return the sidebar header
		if($header['header_position'] != "header_top") return avia_header_setting_sidebar($header, $single_val);
		//------------------------------------------------------------------------------------------------------
		//------------------------------------------------------------------------------------------------------


		//if header main menu is above the logo set a var to indicate that and disable transparency and shrinking
		if( strpos( $header['header_layout'] , 'top_nav_header' ) !== false )
		{
			$header['header_menu_above'] = true;
			$header['header_shrinking']  = 'disabled';
			$transparency = false;
		}

		//set header transparency
		$header['header_transparency'] = "";
		if(!empty($transparency)) $header['header_transparency'] = 'header_transparency';
		if(!empty($transparency) && strpos($transparency, 'glass')) $header['header_transparency'] .= ' header_glassy';
		if(!empty($transparency) && strpos($transparency, 'with_border')) $header['header_transparency'] .= ' header_with_border';
		if(!empty($transparency) && strpos($transparency, 'hidden')) $header['disabled'] = true;
		if(!empty($transparency) && strpos($transparency, 'scrolldown'))
		{
			$header['header_transparency'] .= ' header_scrolldown';
			$header['header_sticky'] = 'header_sticky';
		}


		//deactivate title bar if header is transparent
		if(!empty($transparency)) $header['header_title_bar'] = 'hidden_title_bar';

		//sticky and shrinking are tied together
		if($header['header_sticky'] == 'disabled') { $header['header_shrinking'] = 'disabled'; $header['header_scroll_offset'] =  0; }

		//if the custom height is less than 70 shrinking doesnt really work
		if($header['header_size'] == 'custom' && (int) $header['header_custom_size'] < 65) $header['header_shrinking'] = 'disabled';

		//deactivate icon menu if we dont have the correct header
		if(strpos(avia_get_option('header_layout'), 'main_nav_header') === false) $header['menu_display'] = "";

		if($header['menu_display'] == 'burger_menu') { $header['header_menu_border'] = "";}

		if(avia_is_burger_menu())
		{
			$header['header_mobile_activation'] = "mobile_menu_tablet";
		}

		//create a header class so we can style properly
		$header_class_var = array(	'header_position',
									'header_layout',
									'header_size',
									'header_sticky',
									'header_shrinking',
									'header_stretch',
									'header_mobile_activation',
									'header_transparency',
									'header_searchicon',
									'header_unstick_top',
									'header_menu_border',
									'header_style'
								);

		$header['header_class'] = "";

		foreach($header_class_var as $class_name)
		{
			if(!empty($header[$class_name]))
			{
				if($header[$class_name] == "disabled") $header[$class_name] = $class_name."_disabled";
				$header['header_class'] .= " av_".str_replace(' ',' av_',$header[$class_name]);
			}
		}

		//set manual flag if we should display the top bar
		$header['header_topbar'] = false;
		if(strpos($header['header_social'], 'extra_header_active') !== false || strpos($header['header_secondary_menu'], 'extra_header_active') !== false || !empty($header['header_phone_active'])){ $header['header_topbar'] = 'header_topbar_active'; }

		//set manual flag if the menu is at the bottom
		$header['bottom_menu'] = false;
		if(strpos($header['header_layout'],'bottom_nav_header') !== false)
		{
			$header['bottom_menu'] = 'header_bottom_menu_active';
		}
		else
		{
			$header['header_class'] .= " av_bottom_nav_disabled ";
		}



		//header class that tells us to use the alternate logo
		if(!empty($header['header_replacement_logo']))
		{
			$header['header_class'] .= " av_alternate_logo_active";
			$header_replacement_logo_id = avia_get_attachment_id( $header['header_replacement_logo'] );
			$header_replacement_logo_src = wp_get_attachment_image_src( $header_replacement_logo_id, 'full' );
			if( is_array( $header_replacement_logo_src ) )
			{
				$header['header_replacement_logo'] = $header_replacement_logo_src[0];

				/**
				 * We added title and alt attribute - this allows to ignore it
				 *
				 * @since 4.5.7.2
				 * @param boolean
				 * @param int
				 * @rturn boolean
				 */
				if( false === apply_filters( 'avf_hide_transparency_logo_meta', false, $header_replacement_logo_id ) )
				{
					$header['header_replacement_logo_title'] = get_the_title( $header_replacement_logo_id );
					$header['header_replacement_logo_alt'] = get_post_meta( $header_replacement_logo_id, '_wp_attachment_image_alt', true );
				}
			}
		}

		//header class that tells us to use the alternate logo
		if(empty($header['header_menu_border']))
		{
			$header['header_class'] .= " av_header_border_disabled";
		}

		/**
		 * Modify the header settings
		 *
		 * @param array $header
		 * @param string $context
		 * @return array
		 */
		$header = apply_filters('avf_header_setting_filter', $header, 'setting_header' );

		//make settings available globaly
		$avia_config['header_settings'] = $header;

		if(!empty($single_val) && isset($header[$single_val])) return $header[$single_val];

		return $header;
	}
}

if ( ! function_exists( 'avia_get_attachment_id' ) ) {
    /**
     * Get the Attachment ID for a given image URL.
     *
     * @link   http://wordpress.stackexchange.com/a/7094
     *
     * @param  string $url
     *
     * @return boolean|integer
     */
    function avia_get_attachment_id( $url ) {

        $dir = wp_upload_dir();

        // baseurl never has a trailing slash
        if ( false === strpos( $url, $dir['baseurl'] . '/' ) ) {
            // URL points to a place outside of upload directory
            return false;
        }

        $file  = basename( $url );
        $query = array(
            'post_type'  => 'attachment',
            'fields'     => 'ids',
            'meta_query' => array(
                array(
                    'key'     => '_wp_attached_file',
                    'value'   => $file,
                    'compare' => 'LIKE',
                ),
            )
        );

        // query attachments
        $ids = get_posts( $query );

        if ( ! empty( $ids ) ) {

            foreach ( $ids as $id ) {

				// first entry of returned array is the URL
				$img_src = wp_get_attachment_image_src( $id, 'full' );
				$img_url = array_shift( $img_src );
                if ( $url === $img_url )
                    return $id;
            }
        }

        $query['meta_query'][0]['key'] = '_wp_attachment_metadata';

        // query attachments again
        $ids = get_posts( $query );

        if ( empty( $ids) )
            return false;

        foreach ( $ids as $id ) {

            $meta = wp_get_attachment_metadata( $id );

            foreach ( $meta['sizes'] as $size => $values ) {

                if ( $values['file'] === $file && $url === array_shift( wp_get_attachment_image_src( $id, $size ) ) )
                    return $id;
            }
        }

        return false;
    }
}

if(!function_exists('avia_header_setting_sidebar'))
{
	function avia_header_setting_sidebar( $header, $single_val = false )
	{
		$overwrite = array(
							'header_layout'				=> 'logo_left menu_right',
							'header_size'				=> 'slim',
							'header_custom_size'		=> '',
							'header_sticky'				=> 'disabled',
							'header_shrinking'			=> 'disabled',
							'header_title_bar'			=> 'hidden_title_bar',
							'header_social'				=> '',
							'header_secondary_menu'		=> '',
							'header_stretch'			=> '',
							'header_custom_size'		=> '',
							'header_phone_active'		=> 'disabled',
							'header_replacement_logo'	=> '',
							'header_replacement_logo_title'	=> '',
							'header_replacement_logo_alt'	=> '',
							'header_replacement_menu'	=> '',
							'header_mobile_activation'	=> 'mobile_menu_phone',
							'phone'						=>'',
							'header_menu_border'		=> '',
							'header_topbar'				=> false,
							'bottom_menu'				=> false,
							'header_style'				=> '',
							'menu_display'				=> '',
							'submenu_clone'				=> 'av-submenu-noclone',
						);

		$header = array_merge( $header, $overwrite );

		//	Reset to actual user setting - otherwise burger menu will result in wrong behaviour
		$settings = avia_get_option();
		$header['submenu_clone'] = isset( $settings['submenu_clone'] ) && in_array( $settings['submenu_clone'], array( 'av-submenu-clone', 'av-submenu-noclone' ) ) ? $settings['submenu_clone'] : 'av-submenu-noclone';

		if( strpos($header['header_position'] , 'left') === false ) $header['sidebarmenu_sticky'] = "never_sticky";

		$header['header_class'] = " av_".str_replace(' ',' av_',$header['header_position']." ".$header['sidebarmenu_sticky']);

		/**
		 * Modify the header settings
		 *
		 * @param array $header
		 * @param string $context
		 * @return array
		 */
		$header = apply_filters('avf_header_setting_filter', $header, 'setting_sidebar' );

		//make settings available globaly
		$avia_config['header_settings'] = $header;

		if(!empty($single_val) && isset($header[$single_val])) return $header[$single_val];

		return $header;
	}
}


if(!function_exists('avia_get_header_scroll_offset'))
{
	function avia_get_header_scroll_offset($header = array())
	{
			//#main data attribute used to calculate scroll offset
			$modifier = 0;

			if(empty($header))
			{
				$header['header_position'] = avia_get_option('header_position','header_top');
				$header['header_size'] = avia_get_option('header_size');
				$header['header_custom_size'] = avia_get_option('header_custom_size');
				$header['header_style'] = avia_get_option('header_style');
			}

			if("minimal_header" == $header['header_style']) $modifier = 2;

			switch($header['header_size'])
			{
				case 'large': 	$header['header_scroll_offset'] = 116; break;
				case 'custom': 	$header['header_scroll_offset'] = $header['header_custom_size'] - $modifier; break;
				default : 		$header['header_scroll_offset'] = 88; break;
			}

			if($header['header_position'] != 'header_top') $header['header_scroll_offset'] = 0;

			return $header['header_scroll_offset'];
	}
}

if(!function_exists('avia_header_class_string'))
{
	function avia_header_class_string($necessary = array() , $prefix = "html_"){

		if(empty($necessary)) $necessary = array(	'header_position',
													'header_layout',
													'header_size',
													'header_sticky',
													'header_shrinking',
													'header_topbar',
													'header_transparency',
													'header_mobile_activation',
													'header_searchicon',
													'layout_align_content',
													'header_unstick_top',
													'header_stretch',
													'header_style',
													'blog_global_style',
													'menu_display',
													'submenu_visibility',
													'overlay_style',
													'alternate_menu',
													'submenu_clone',

												);

		$settings  	= avia_header_setting();
		$class		= array();
		$post_id 	= function_exists('avia_get_the_id') ? avia_get_the_id() : get_the_ID();

		foreach($necessary as $class_name)
		{
			if(!empty($settings[$class_name]))
			{
				$result = array_filter(explode(' ', $settings[$class_name]));
				$class = array_merge($class, $result);
			}
		}

		if($post_id) $class[] = "entry_id_".$post_id;
		if(is_admin_bar_showing()) $class[] = "av_admin_bar_active";



		$class = apply_filters('avf_header_classes', $class, $necessary, $prefix);

		if(!empty($class))
		{
			$class = array_unique($class);
			$class = " ".$prefix.implode(" ".$prefix, $class);
		}


		return $class;
	}
}



if(!function_exists('avia_blog_class_string'))
{
	function avia_blog_class_string($necessary = array() , $prefix = "av-"){

		if(empty($necessary)) $necessary = array(	'blog-meta-author',
													'blog-meta-comments',
													'blog-meta-category',
													'blog-meta-date',
													'blog-meta-html-info',
													'blog-meta-tag',
												);
		$class		= array();
		$settings  	= avia_get_option();

		foreach($necessary as $class_name)
		{
			if(isset($settings[$class_name]) && $settings[$class_name] == "disabled") $class[] = $class_name."-disabled";
		}

		if(empty($class)) $class = "";
		if(!empty($class))
		{
			$class = array_unique($class);
			if(!empty($class[0]))
			{
				$class = " ".$prefix.implode(" ".$prefix, $class);
			}
			else
			{
				$class = "";
			}
		}


		return $class;
	}
}



if(!function_exists('avia_header_html_custom_height'))
{
	function avia_header_html_custom_height()
	{
		$settings = avia_header_setting();

		if($settings['header_size'] == "custom")
		{
			$modifier = 0;
			$size = $settings['header_custom_size'];
			$bottom_bar = $settings['bottom_menu'] == true ? 52 : 0;
			$top_bar	= $settings['header_topbar'] == true ? 30 : 0;

			if(!empty($settings['header_style']) && "minimal_header" == $settings['header_style'] ){ $modifier = 2;}


			$html =  "";
			$html .= "\n<style type='text/css' media='screen'>\n";
			$html .= " #top #header_main > .container, #top #header_main > .container .main_menu  .av-main-nav > li > a,";
			$html .= " #top #header_main #menu-item-shop .cart_dropdown_link{ height:{$size}px; line-height: {$size}px; }\n";
			$html .= " .html_top_nav_header .av-logo-container{ height:{$size}px;  }\n";
			$html .= " .html_header_top.html_header_sticky #top #wrap_all #main{ padding-top:".((int)$size + $bottom_bar + $top_bar - $modifier)."px; } \n";
			$html .= "</style>\n";

			echo $html;
		}

	}

	add_action('wp_head', 'avia_header_html_custom_height');

}


/*
* Display sidebar widgets in the main navigation area when it is set as sidebar instead of top
*/
if(!function_exists('avia_sidebar_menu_additions'))
{
	function avia_sidebar_menu_additions()
	{
		$settings = avia_header_setting();
		$output   = "";

		if($settings['header_position'] != "header_top")
		{
			/*add social icons*/
			if($settings['sidebarmenu_social'] != "disabled")
			{
				$social_args = array('outside'=>'ul', 'inside'=>'li', 'append' => '');
				$social	= avia_social_media_icons($social_args, false);
				if($social) $output .= "<div class='av-sidebar-social-container'>".$social."</div>";
			}


			/*add widgets*/
			if(!empty( $settings['sidebarmenu_widgets']))
			{
				if('av-auto-widget-logic' == $settings['sidebarmenu_widgets'])
				{

				}
				else if( is_dynamic_sidebar( $settings['sidebarmenu_widgets'] ) )
				{
					ob_start();
					dynamic_sidebar( $settings['sidebarmenu_widgets'] );
					$output .= ob_get_clean();
					$output = "<aside class='avia-custom-sidebar-widget-area sidebar sidebar_right'>".$output."</aside>";
				}
			}
		}

		echo $output;

	}

	add_action('ava_after_main_menu', 'avia_sidebar_menu_additions');

}





/*
* Display a subnavigation for pages that is automatically generated, so the users doesnt need to work with widgets
*/
if(!function_exists('avia_sidebar_menu'))
{
    function avia_sidebar_menu($echo = true)
    {
        $sidebar_menu = "";

        $subNav = avia_get_option('page_nesting_nav');


        $the_id = @get_the_ID();
        $args 	= array();
		global $post;

        if($subNav && $subNav != 'disabled' && !empty($the_id) && is_page())
        {
            $subNav = false;
            $parent = $post->ID;
            $sidebar_menu = "";

            if (!empty($post->post_parent))
            {
                if(isset($post->ancestors)) $ancestors  = $post->ancestors;
                if(!isset($ancestors)) $ancestors  = get_post_ancestors($post->ID);
                $root		= count($ancestors)-1;
                $parent 	= $ancestors[$root];
            }

            $args = array('title_li'=>'', 'child_of'=>$parent, 'echo'=>0, 'sort_column'=>'menu_order, post_title');

            //enables user to change query args
            $args = apply_filters('avia_sidebar_menu_args', $args, $post);

            //hide or show child pages in menu - if the class is set to 'widget_nav_hide_child' the child pages will be hidden
            $display_child_pages = apply_filters('avia_sidebar_menu_display_child', 'widget_nav_hide_child', $args, $post);

            $children = wp_list_pages($args);

            if ($children)
            {
                $default_sidebar = false;
                $sidebar_menu .= "<nav class='widget widget_nav_menu $display_child_pages'><ul class='nested_nav'>";
                $sidebar_menu .= $children;
                $sidebar_menu .= "</ul></nav>";
            }
        }

        $sidebar_menu = apply_filters('avf_sidebar_menu_filter', $sidebar_menu, $args, $post);

        if($echo == true) { echo $sidebar_menu; } else { return $sidebar_menu; }
    }
}



/*
show tag archive page for post type - without this code you'll get 404 errors: http://wordpress.org/support/topic/custom-post-type-tagscategories-archive-page
*/
if(!function_exists('avia_fix_tag_archive_page'))
{
	function avia_fix_tag_archive_page($query)
	{
	    $post_types = get_post_types();

	    if ( is_category() || is_tag())
	    {
			if(!is_admin() && $query->is_main_query() )
	        {
		        $post_type = get_query_var(get_post_type());

		        if ($post_type) {
		            $post_type = $post_type;
		        } else {
		            $post_type = $post_types;
		        }
		        $query->set('post_type', $post_type);
			}
	    }


	    return $query;
	}
	add_filter('pre_get_posts', 'avia_fix_tag_archive_page');
}



/*
 * add html5.js script to head section - required for IE compatibility
 */
if(!function_exists('avia_print_html5_js_script'))
{
    add_action('wp_head', 'avia_print_html5_js_script');

    function avia_print_html5_js_script()
    {
        $template_url = get_template_directory_uri();
        $output = '';

        $output .= '<!--[if lt IE 9]>';
        $output .= '<script src="'.$template_url.'/js/html5shiv.js"></script>';
        $output .= '<![endif]-->';
        echo $output;
    }
}


if(!function_exists('avia_add_compat_header'))
{
	add_filter('wp_headers', 'avia_add_compat_header');
	function avia_add_compat_header($headers)
	{
		if(isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false)
		{
	    	$headers['X-UA-Compatible'] = 'IE=edge,chrome=1';
	    }
	    return $headers;
	}
}


if( ! function_exists( 'avia_add_hide_featured_image_select' ) )
{
	/**
	 * Add a selectbox to hide featured image on single post
	 *
	 * @param array $elements
	 * @return array
	 */
	function avia_add_hide_featured_image_select( array $elements )
	{
		if( ! is_admin() || ! function_exists( 'get_current_screen' ) )
		{
			return $elements;
		}

		$screen = get_current_screen();
		if( ! $screen instanceof WP_Screen )
		{
			return $elements;
		}

		$hide_pt = apply_filters( 'avf_display_featured_image_posttypes', array( 'post', 'portfolio' ) );

		if( ! in_array( $screen->post_type, $hide_pt ) )
		{
			return $elements;
		}

		switch( $screen->post_type )
		{
			case 'post':
				$desc = __( 'Select to display featured image for a single post entry.', 'avia_framework' );
				break;
			case 'portfolio':
				$desc = __( 'Select to display featured image for a single portfolio entry.', 'avia_framework' );
				break;
			default:
				$desc = apply_filters( 'avf_display_featured_image_desc', __( 'Select to display featured image for a single entry.', 'avia_framework' ) );
				break;
		}

		$elements[] = array(
						'slug'		=> 'layout',
						'name'		=> __( 'Featured Image', 'avia_framework' ),
						'desc'		=> $desc,
						'id'		=> '_avia_hide_featured_image',
						'type'		=> 'select',
						'std'		=> '',
						'class'		=> 'avia-style',
						'subtype'	=> array(
											__( 'Show on single entry', 'avia_framework' ) => '',
											__( 'Hide on single entry', 'avia_framework' ) => '1'
										)
					);

		return $elements;
	}

	add_filter( 'avf_builder_elements', 'avia_add_hide_featured_image_select', 10, 1 );
}

if(!function_exists('avia_active_caching'))
{
	function avia_active_caching()
	{
		if(defined('W3TC') || defined('WPCACHEHOME') || class_exists('HyperCache') || class_exists('\\quick_cache\\plugin'))
		{
			return true;
		}
		return false;
	}
}





if(!function_exists('avia_menu_button_style'))
{
	add_action('wp_nav_menu_item_custom_fields', 'avia_menu_button_style', 10, 4);

	function avia_menu_button_style($output, $item, $depth, $args)
	{
	        $item_id = $item->ID;
	        $key = "style";
			$name  = "menu-item-avia-".$key; //name prefix must be the same for all items
			$value = get_post_meta( $item->ID, '_'.$name, true);
	        ?>

	        <!-- *************** start conditional logic input fields *************** -->
	        <p class="field-avia-link-style description description-wide avia_mega_menu avia_mega_menu_d0">
				<label for="<?php echo $key; ?>">
					<?php _e( 'Menu Style' ); ?><br />
					<select id="<?php echo $name . "-". $item_id;?>" class="widefat edit-menu-item-target" name="<?php echo $name . "[". $item_id ."]";?>">
						<option value="" 										<?php selected( $value,  ''); ?>										><?php _e('Default Style'); ?>	</option>
						<option value="av-menu-button av-menu-button-colored" 	<?php selected( $value,  'av-menu-button av-menu-button-colored'); ?>	><?php _e('Button Style (Colored)' ); ?>	</option>
						<option value="av-menu-button av-menu-button-bordered" 	<?php selected( $value,  'av-menu-button av-menu-button-bordered'); ?>	><?php _e('Button Style (Bordered)'); ?>	</option>
					</select>
				</label>
			</p>

	        <?php


	}

	add_filter('avf_mega_menu_post_meta_fields','avia_menu_button_style_save',10,3);
    function avia_menu_button_style_save($check, $menu_id, $menu_item_db)
    {
        $check = array_merge($check, array('style'));
        return $check;
    }


}
if(!function_exists('avia_generate_grid_dimension'))
{
	add_action('ava_generate_styles','avia_generate_grid_dimension', 30, 3); /*after theme update*/

	function avia_generate_grid_dimension($options, $color_set, $styles)
	{
		global $avia_config;
		if ( $options !== "" ){ extract($options); }

		if(empty($content_width))  $content_width 	= 73;
		if(empty($combined_width)) $combined_width 	= 100;
		if(empty($responsive_size)) $responsive_size = "1130px";

		if($responsive_size != "")
		{
			$avia_config['style'][] = array(
			'key'	=>	'direct_input',
			'value'	=> ".container {width:".$combined_width."%;} .container .av-content-small.units {width:".$content_width."%; }

			  .responsive .boxed#top , .responsive.html_boxed.html_header_sticky #header,
			  .responsive.html_boxed.html_header_transparency #header{ width: ".$responsive_size."; max-width:90%; }
			  .responsive .container{ max-width: ".$responsive_size."; }
			"
			);
		}
	}
}



/*
function that disables the alb drag and drop for non admins
*/

if( ! function_exists( 'avia_disable_alb_drag_drop' ) )
{
	function avia_disable_alb_drag_drop( $disable )
	{
		if( ! current_user_can( 'switch_themes' ) || avia_get_option( 'lock_alb_for_admins', 'disabled' ) != 'disabled' )
		{
			$disable = avia_get_option( 'lock_alb', 'disabled' ) != 'disabled' ? true : false;
		}

		return $disable;
	}

	add_filter( 'avf_allow_drag_drop', 'avia_disable_alb_drag_drop', 30, 1 );
}







/*
function to display frame
*/

if(!function_exists('avia_framed_layout'))
{
	function avia_framed_layout($options, $color_set, $styles)
	{
		global $avia_config;
		extract($styles);

		if(isset($body_style) && $body_style === "av-framed-box")
		{
			$avia_config['style'][] = array(
			'key'	=>	'direct_input',
			'value'	=> "

			html.html_av-framed-box{ padding:{$frame_width}px; }
			html.html_av-framed-box{ padding:{$frame_width}px; }
			html.html_av-framed-box .av-frame{ width: {$frame_width}px; height: {$frame_width}px; background:$body_color;}


			.html_header_top.html_header_sticky.html_av-framed-box #header_main,
			.html_header_top.html_header_sticky.html_av-framed-box #header_meta{
				margin:0 {$frame_width}px;
			}

			html .avia-post-prev{left: {$frame_width}px; }
			html .avia-post-next{right:{$frame_width}px; }

			html.html_av-framed-box.html_av-overlay-side .av-burger-overlay-scroll{ right:{$frame_width}px; }
			"
			);
		}
	}

	add_action('ava_generate_styles', 'avia_framed_layout', 40 , 3);
}

if(!function_exists('avia_framed_layout_bars'))
{
	function avia_framed_layout_bars()
	{
		if( avia_get_option('color-body_style') == "av-framed-box" )
		{
			$output  = "";
			$output .= "<div class='av-frame av-frame-top av-frame-vert'></div>";
			$output .= "<div class='av-frame av-frame-bottom av-frame-vert'></div>";
			$output .= "<div class='av-frame av-frame-left av-frame-hor'></div>";
			$output .= "<div class='av-frame av-frame-right av-frame-hor'></div>";

			echo $output;
		}
	}

	add_action('wp_footer', 'avia_framed_layout_bars', 10 );
}








/*
function that saves the style options array into an external css file rather than fetching the data from the database
*/

if(!function_exists('avia_generate_stylesheet'))
{
	add_action('ava_after_theme_update', 			'avia_generate_stylesheet', 30, 1); /*after theme update*/
	add_action('ava_after_import_demo_settings', 	'avia_generate_stylesheet', 30, 1); /*after demo settings imoport*/
	add_action('avia_ajax_after_save_options_page', 'avia_generate_stylesheet', 30, 1); /*after options page saving*/

	function avia_generate_stylesheet($options = false)
	{
		global $avia;

		$safe_name = avia_backend_safe_string($avia->base_data['prefix']);
		$safe_name = apply_filters('avf_dynamic_stylesheet_filename', $safe_name);

	    if( defined('AVIA_CSSFILE') && AVIA_CSSFILE === false )
	    {
	        $dir_flag           = update_option( 'avia_stylesheet_dir_writable'.$safe_name, 'false' );
	        $stylesheet_flag    = update_option( 'avia_stylesheet_exists'.$safe_name, 'false' );
	        return;
	    }

	    $wp_upload_dir  = wp_upload_dir();
	    $stylesheet_dir = $wp_upload_dir['basedir'] . '/dynamic_avia';
	    $stylesheet_dir = str_replace('\\', '/', $stylesheet_dir);
	    $stylesheet_dir = apply_filters('avia_dyn_stylesheet_dir_path',  $stylesheet_dir);
	    $isdir = avia_backend_create_folder($stylesheet_dir);

	    /*
	    * directory could not be created (WP upload folder not writeable)
	    * @todo save error in db and output error message for user.
	    * @todo maybe add mkdirfix: http://php.net/manual/de/function.mkdir.php
	    */

	    if($isdir === false)
	    {
	        $dir_flag = update_option( 'avia_stylesheet_dir_writable'.$safe_name, 'false' );
	        $stylesheet_flag = update_option( 'avia_stylesheet_exists'.$safe_name, 'false' );
	        return;
	    }

	    /*
	     *  Go ahead - WP managed to create the folder as expected
	     */
	    $stylesheet = trailingslashit( $stylesheet_dir ) . $safe_name.'.css';
	    $stylesheet = apply_filters('avia_dyn_stylesheet_file_path', $stylesheet);


	    //import avia_superobject and reset the options array
	    $avia_superobject = $GLOBALS['avia'];
		$avia_superobject->reset_options();

		//regenerate style array after saving options page so we can create a new css file that has the actual values and not the ones that were active when the script was called
		avia_prepare_dynamic_styles();

	    //generate stylesheet content
	    $generate_style = new avia_style_generator($avia_superobject,false,false,false);
	    $styles         = $generate_style->create_styles();

	    $created        = avia_backend_create_file($stylesheet, $styles, true);

	    if($created === true)
	    {
	        $dir_flag = update_option( 'avia_stylesheet_dir_writable'.$safe_name, 'true' );
	        $stylesheet_flag = update_option( 'avia_stylesheet_exists'.$safe_name, 'true' );
			$dynamic_id = update_option( 'avia_stylesheet_dynamic_version'.$safe_name, uniqid() );
	    }
	    else
	    {
		    $dir_flag = update_option( 'avia_stylesheet_dir_writable'.$safe_name, 'false' );
	        $stylesheet_flag = update_option( 'avia_stylesheet_exists'.$safe_name, 'false' );
			$dynamic_id = delete_option( 'avia_stylesheet_dynamic_version'.$safe_name);
	    }
	}
}



/*favicon in front and backend*/
add_action('wp_head', 'avia_add_favicon');
add_action('admin_head', 'avia_add_favicon');


function avia_add_favicon()
{
	echo "\n".avia_favicon(avia_get_option('favicon'))."\n";
}






/**
 * AVIA Mailchimp WIDGET
 */

if (!class_exists('avia_mailchimp_widget'))
{
		class avia_mailchimp_widget extends WP_Widget {

		static $script_loaded = 0;

		function __construct() {
			//Constructor
			$widget_ops = array('classname' => 'avia_mailchimp_widget', 'description' => 'A widget that displays a Mailchimp newsletter signup form' );
			parent::__construct( 'avia_mailchimp_widget', THEMENAME.' Mailchimp Newsletter Signup', $widget_ops );
		}

		function widget($args, $instance)
		{
			extract($args, EXTR_SKIP);
			echo $before_widget;

			if ( !empty( $instance['title'] ) ) { echo $before_title . $instance['title'] . $after_title; };

			$shortcode  = "[av_mailchimp";
			$shortcode .= " list='".$instance['mailchimp_list']."'";
			$shortcode .= " listonly='true'";
			$shortcode .= " hide_labels='true'";
			$shortcode .= " double_opt_in='".$instance['double_optin']."'";
			$shortcode .= " sent='".$instance['success']."'";
			$shortcode .= " button='".$instance['submit_label']."'";

			$shortcode .= "]";


			echo "<div class='av-mailchimp-widget av-mailchimp-widget-style-".$instance['styling']." '>";
			echo do_shortcode($shortcode );
			echo "</div>";

			echo $after_widget;

		}


		function update($new_instance, $old_instance)
		{
			$instance = $old_instance;
			$instance['title'] 			= strip_tags($new_instance['title']);
			$instance['success'] 		= strip_tags($new_instance['success']);
			$instance['styling'] 		= strip_tags($new_instance['styling']);
			$instance['double_optin'] 	= strip_tags($new_instance['double_optin']);
			$instance['mailchimp_list'] = strip_tags($new_instance['mailchimp_list']);
			$instance['submit_label'] = strip_tags($new_instance['submit_label']);

			return $instance;
		}



		function form($instance)
		{
			$instance = wp_parse_args( (array) $instance, array(
				'title' 			=> __('Newsletter','avia_framework'),
				'mailchimp_list' 	=> '',
				'styling' 			=> '' ,
				'double_optin' 		=> 'true',
				'success' 			=> __('Thank you for subscribing to our newsletter!','avia_framework'),
				'submit_label' 		=> __('Subscribe','avia_framework'),
				)
			);

			$title 			= strip_tags($instance['title']);
			$mailchimp_list = strip_tags($instance['mailchimp_list']);
			$styling 		= strip_tags($instance['styling']);
			$double_optin 	= strip_tags($instance['double_optin']);
			$success 		= strip_tags($instance['success']);
			$submit_label 	= strip_tags($instance['submit_label']);

			$lists 		= get_option('av_chimplist');
			$newlist 	= array('Select a Mailchimp list...' => "");

			if(empty($lists))
			{
				return;
			}

			foreach($lists as $key => $list_item)
			{
				$newlist[$list_item['name']] = $key;
			}
			$lists = $newlist;

	?>
			<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title','avia_framework');?>:
			<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></label></p>

			<p>
				<label for="<?php echo $this->get_field_id('mailchimp_list'); ?>"><?php _e('Mailchimp list to subscribe to','avia_framework');?></label>
				<select class="widefat" id="<?php echo $this->get_field_id('mailchimp_list'); ?>" name="<?php echo $this->get_field_name('mailchimp_list'); ?>">
					<?php
					$list = "";

					foreach ($lists as $answer => $key)
					{
						$selected = "";
						if($key == $mailchimp_list) $selected = 'selected="selected"';

						$list .= "<option $selected value='$key'>$answer</option>";
					}
					$list .= "</select>";
					echo $list;
					?>


			</p>


			<p>
				<label for="<?php echo $this->get_field_id('styling'); ?>"><?php _e('Signup Form Styling','avia_framework');?></label>
				<select class="widefat" id="<?php echo $this->get_field_id('styling'); ?>" name="<?php echo $this->get_field_name('styling'); ?>">
					<?php
					$answers = array(

						__('Default','avia_framework') => "",
						__('Boxed','avia_framework') => "boxed_form",

					);

					$list = "";

					foreach ($answers as $answer => $key)
					{
						$selected = "";
						if($key == $styling) $selected = 'selected="selected"';

						$list .= "<option $selected value='$key'>$answer</option>";
					}
					$list .= "</select>";
					echo $list;
					?>
			</p>

			<p>
				<label for="<?php echo $this->get_field_id('double_optin'); ?>"><?php _e('Activate double opt-in?','avia_framework');?></label>
				<select class="widefat" id="<?php echo $this->get_field_id('double_optin'); ?>" name="<?php echo $this->get_field_name('double_optin'); ?>">
					<?php
					$answers = array(

						__('Yes','avia_framework') => "true",
						__('No','avia_framework') => "",

					);

					$list = "";

					foreach ($answers as $answer => $key)
					{
						$selected = "";
						if($key == $double_optin) $selected = 'selected="selected"';

						$list .= "<option $selected value='$key'>$answer</option>";
					}
					$list .= "</select>";
					echo $list;
					?>
			</p>

			<p><label for="<?php echo $this->get_field_id('success'); ?>"><?php _e('Message if user subscribes successfully','avia_framework');?>:
			<input class="widefat" id="<?php echo $this->get_field_id('success'); ?>" name="<?php echo $this->get_field_name('success'); ?>" type="text" value="<?php echo esc_attr($success); ?>" /></label></p>

			<p>

				<p><label for="<?php echo $this->get_field_id('submit_label'); ?>"><?php _e('Submit Button Label','avia_framework');?>:
			<input class="widefat" id="<?php echo $this->get_field_id('submit_label'); ?>" name="<?php echo $this->get_field_name('submit_label'); ?>" type="text" value="<?php echo esc_attr($submit_label); ?>" /></label></p>

			<p>



	<?php
		}
	}

	register_widget( 'avia_mailchimp_widget' );
}

/**
 * WP core hack see https://core.trac.wordpress.org/ticket/15551
 *
 * Paging does not work on single custom post type pages - always a redirect to page 1 by WP
 *
 *
 * @since 4.0.6
 */
if( ! function_exists( 'avia_wp_cpt_request_redirect_fix' ) )
{
	function avia_wp_cpt_request_redirect_fix( $request )
	{
		$args = array(
					'public'	=>	true,
					'_builtin'	=>	false
				);

		$cpts = get_post_types( $args, 'names', 'and' );

		if (	isset( $request->query_vars['post_type'] ) &&
				in_array( $request->query_vars['post_type'], $cpts ) &&
				true === $request->is_singular &&
				- 1 == $request->current_post &&
				true === $request->is_paged
			)
		{
			add_filter( 'redirect_canonical', '__return_false' );
		}

		return $request;
	}

	add_action( 'parse_query', 'avia_wp_cpt_request_redirect_fix' );
}



/**
 * mobile sizes that overwrite elements default sizes
 */
if( ! function_exists( 'av_print_custom_font_size' ) )
{
	function av_print_custom_font_size( $request )
	{
		echo AviaHelper::av_print_mobile_sizes();
	}

	add_action( 'wp_footer', 'av_print_custom_font_size' );
}


/**
 * disable element live preview
 */
if( ! function_exists( 'av_disable_live_preview' ) )
{
	function av_disable_live_preview( $data )
	{
		if(avia_get_option('preview_disable') == "preview_disable")
		{
			$data['preview'] = 0;
		}

		return $data;
	}

	add_filter( 'avb_backend_editor_element_data_filter', 'av_disable_live_preview' );
}


/**
 * Adds a copyright field to the upload and edit dialogue of the media manager
 *
 * @author tinabillinger
 * @since 4.3
 */


if( ! function_exists( 'av_attachment_copyright_field_edit' ) )
{
    function av_attachment_copyright_field_edit($form_fields, $post)
    {

        $form_fields['av_copyright_field'] = array(
            'label' => __('Copyright'),
            'input' => 'text',
            'value' => get_post_meta( $post->ID, '_avia_attachment_copyright', true ),
        );

        return $form_fields;
    }
    add_filter( 'attachment_fields_to_edit', 'av_attachment_copyright_field_edit', null, 2 );
}


/**
 * Saves the copyright field created by filter above
 *
 * @author tinabillinger
 * @since 4.3
 */


if( ! function_exists( 'av_attachment_copyright_field_save' ) )
{
    function av_attachment_copyright_field_save($post, $attachment)
    {
        if ( ! empty( $attachment['av_copyright_field'] ) )
        {
            update_post_meta( $post['ID'], '_avia_attachment_copyright', $attachment['av_copyright_field'] );
        }
        else {
            delete_post_meta( $post['ID'], '_avia_attachment_copyright' );
        }
        return $post;
    }

    add_filter( 'attachment_fields_to_save', 'av_attachment_copyright_field_save', null, 2 );
}


/**
 * Attaches the information from the copyright field to get_the_post_thumbnail()
 * The added tag is initally hidden by CSS, and can be made visible by choice
 *
 * @author tinabillinger
 * @since 4.3
 */
/*
 * Add 'copyright info to get_the_post_thumbnail()
 */

if( ! function_exists( 'avia_post_thumbnail_html' ) )
{
    function avia_post_thumbnail_html($html, $post_id, $post_thumbnail_id, $size, $attr)
    {
        $attachment_id = get_post_thumbnail_id($post_id);
        $copyright_text = get_post_meta($attachment_id, '_avia_attachment_copyright', true );

        if ($copyright_text) {
            $html .= "<small class='avia-copyright'>{$copyright_text}</small>";
        }
        return $html;
    }
    if (! is_admin()){
        add_filter('post_thumbnail_html', 'avia_post_thumbnail_html', 99, 5);
    }
}


if( ! function_exists( 'av_builder_meta_box_elements_content' ) )
{
	/**
	 * Adjust element content to reflect main option settings
	 * e.g. with sdding page as footer feature we need to adjust select box content of footer settings
	 *
	 * @since 4.2.7
	 * @added_by Günter
	 * @param array $elements
	 * @return array
	 */
	function av_builder_meta_box_elements_content( array $elements )
	{

		$footer_options	= avia_get_option( 'display_widgets_socket', 'all' );

		if( false !== strpos( $footer_options, 'page' ) )
		{
			$desc = __( 'Display the footer page?', 'avia_framework' );
			$subtype = array(
							__("Default Layout - set in",'avia_framework')." ".THEMENAME." > ". __('Footer','avia_framework') => '',
							__('Use selected page to display as footer and socket','avia_framework')	=> 'page_in_footer_socket',
							__('Use selected page to display as footer (no socket)','avia_framework')	=> 'page_in_footer',
							__('Don\'t display the socket & page','avia_framework')							=> 'nofooterarea'
						);
		}
		else
		{
			$desc = __( 'Display the footer widgets?', 'avia_framework' );
			$subtype = array(
							__("Default Layout - set in",'avia_framework')." ".THEMENAME." > ". __('Footer','avia_framework') => '',
							__('Display the footer widgets & socket','avia_framework')					=> 'all',
							__('Display only the footer widgets (no socket)','avia_framework')			=> 'nosocket',
							__('Display only the socket (no footer widgets)','avia_framework')			=> 'nofooterwidgets',
							__('Don\'t display the socket & footer widgets','avia_framework')			=> 'nofooterarea'
						);
		}

		foreach( $elements as &$element )
		{
			if( 'footer' == $element['id'] )
			{
				$element['desc'] = $desc;
				$element['subtype'] = $subtype;
			}
		}

		return $elements;
	}

	add_filter( 'avf_builder_elements', 'av_builder_meta_box_elements_content', 10000, 1 );
}


if( ! function_exists( 'av_return_100' ) )
{
	/**
	* Sets the default image to 100% quality for more beautiful images when used in conjunction with img optimization plugins
	*
	* @since 4.3
	* @added_by Kriesi
	*/
	function av_return_100(){ return 100; }
	add_filter('jpeg_quality', 'av_return_100');
	add_filter('wp_editor_set_quality', 'av_return_100');
}


/**
 * Comment form order
 * Restore comment form order to look like previous versions were comment field is below name/mail/website
 *
 * @author Kriesi
 * @since 4.5
 */

if( ! function_exists( 'av_comment_field_order_reset' ) )
{
	function av_comment_field_order_reset( $fields )
	{
		$comment_field = $fields['comment'];
		unset( $fields['comment'] );
		$fields['comment'] = $comment_field;
		return $fields;
	}

	add_filter( 'comment_form_fields', 'av_comment_field_order_reset' );
}