service-shortcode.php

 <?php


 function stock_service_box_shortcode ($atts, $content = null){

	extract( shortcode_atts( array(
	        'title' => '',
	        'desc' => '',
	        'type' => 1,
	        'link_to_page' => '',
	        'external_link' => '',
	        'link_text' => 'See more',
	        'icon_type' => 1,
	        'upload_icon' => '',
	        'choose_icon' => '',
	        'box_background' => '',
	    ), $atts) );

	if($type == 1){
		$link_source = get_page_link( $link_to_page );
	}else{
		$link_source = $external_link;
	}

	$box_bg_array = wp_get_attachment_image_src( $box_background, 'medium' );

	$stock_service_box_markup = '
		<div class="stock-service-box">
			<div style="background-image: url('.$box_bg_array[0].')" class="stock-service-icon">
				<div class="stock-service-table">
					<div class="stock-service-tablecell">';

		if($icon_type == 1){
			$service_icon_array = wp_get_attachment_image_src( $upload_icon, 'thumbnail' );
			$stock_service_box_markup .= '<img src="'.$service_icon_array[0].'" alt="">';
		}else{
			$stock_service_box_markup .='<i class="'.$choose_icon.'"></i>';
		}


	$stock_service_box_markup .= '
					</div>
				</div>
			</div>

			<div class="stock-service-content">
				<h3>'.$title.'</h3>
				'.wpautop($desc).'
				<a href="'.$link_source.'" class="service-btn" >'.$link_text.'</a>
			</div>
		</div>

	';
	$stock_service_box_markup .= '';

	return $stock_service_box_markup ;

 }

 add_shortcode( 'stock_service_box', 'stock_service_box_shortcode' );