<?php
/**
* BASE FUNCTIONS
* Add this line below to functions.php in your theme
* include get_template_directory() . '/functions-base.php';
*/

/**
* Return the excerpt from acf field or custom field wordpress.
*/
function acf_excerpt($text, $excerpt_length = 20) {
	if ( '' != $text ) {
		$text = strip_shortcodes( $text );
		$text = apply_filters('the_content', $text);
		$text = str_replace(']]>', ']]>', $text);
		$excerpt_more = apply_filters('excerpt_more', ' ' . '[...]');
		$text = wp_trim_words( $text, $excerpt_length, $excerpt_more );
	}
	return apply_filters('the_excerpt', $text);
}

/**
* Limit words the_excerpt from default content field wordpress
*/
function excerpt($limit) {
	$excerpt = explode(' ', get_the_excerpt(), $limit);
	if (count($excerpt)>=$limit) {
		array_pop($excerpt);
		$excerpt = implode(" ",$excerpt).'...';
	} else {
		$excerpt = implode(" ",$excerpt);
	}
	$excerpt = preg_replace('`[[^]]*]`','',$excerpt);
	return $excerpt;
}

/**
* Hide page from other levels of users different than admin
*/
function exclude_pages_from_admin($query) {
	if ( ! is_admin() )
    	return $query;
  		global $pagenow, $post_type;
  	if ( !current_user_can( 'administrator' ) && $pagenow == 'edit.php' && $post_type == 'page' )
    	$query->query_vars['post__not_in'] = array(  ); // Enter your page IDs here
}
add_filter( 'parse_query', 'exclude_pages_from_admin' );