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Back Back Up Advanced Editor

<?php
/**
 * Generates the output
 *
 * @package Contextual_Related_Posts
 */

// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
	die;
}

/**
 * Returns the link attributes.
 *
 * @since 2.2.0
 * @since 3.2.0 Added $result parameter
 *
 * @param array   $args   Array of arguments.
 * @param WP_Post $result WP_Post object.
 * @return  string  Space separated list of link attributes.
 */
function crp_link_attributes( $args, $result ) {

$rel_attribute    = ( $args['link_nofollow'] ) ? ' rel="nofollow" ' : ' ';
	$target_attribute = ( $args['link_new_window'] ) ? ' target="_blank" ' : ' ';

$link_attributes = array(
		'rel_attribute'    => $rel_attribute,
		'target_attribute' => $target_attribute,
	);

/**
	 * Filter the title of the Related Posts list
	 *
	 * @since 2.2.0
	 * @since 3.2.0 Added $result parameter
	 *
	 * @param array   $link_attributes    Array of link attributes
	 * @param array   $args   Array of arguments
	 * @param WP_Post $result WP_Post object.
	 */
	$link_attributes = apply_filters( 'crp_link_attributes', $link_attributes, $args, $result );

// Convert it to a string.
	$link_attributes = implode( ' ', $link_attributes );

return $link_attributes;

}

/**
 * Returns the heading of the related posts.
 *
 * @since   2.2.0
 *
 * @param   array $args   Array of arguments.
 * @return  string  Space separated list of link attributes
 */
function crp_heading_title( $args ) {
	global $post;

$title = '';

if ( $args['heading'] && ! $args['is_widget'] ) {
		$title = empty( $args['title'] ) ? crp_get_option( 'title', '' ) : $args['title'];
		$title = str_replace( '%postname%', $post->post_title, $title );    // Replace %postname% with the title of the current post.
	}

/**
	 * Filter the title of the Related Posts list
	 *
	 * @since   1.9
	 *
	 * @param   string  $title  Title/heading of the Related Posts list
	 * @param   array   $args   Array of arguments
	 */
	return apply_filters( 'crp_heading_title', $title, $args );
}

/**
 * Returns the opening tag of the related posts list.
 *
 * @since   2.2.0
 *
 * @param   array $args   Array of arguments.
 * @return  string  Space separated list of link attributes
 */
function crp_before_list( $args ) {

$before_list = $args['before_list'];

/**
	 * Filter the opening tag of the related posts list
	 *
	 * @since   1.9
	 *
	 * @param   string  $before_list    Opening tag set in the Settings Page
	 * @param   array   $args   Array of arguments
	 */
	return apply_filters( 'crp_before_list', $before_list, $args );

}

/**
 * Returns the closing tag of the related posts list.
 *
 * @since   2.2.0
 *
 * @param   array $args   Array of arguments.
 * @return  string  Space separated list of link attributes
 */
function crp_after_list( $args ) {

$after_list = $args['after_list'];

/**
	 * Filter the closing tag of the related posts list
	 *
	 * @since   1.9
	 *
	 * @param   string  $after_list Closing tag set in the Settings Page
	 * @param   array   $args   Array of arguments
	 */
	return apply_filters( 'crp_after_list', $after_list, $args );

}

/**
 * Returns the opening tag of each list item.
 *
 * @since   2.2.0
 *
 * @param   array   $args   Array of arguments.
 * @param   WP_Post $result WP_Post object.
 * @return  string  Space separated list of link attributes
 */
function crp_before_list_item( $args, $result ) {

$before_list_item = $args['before_list_item'];

/**
	 * Filter the opening tag of each list item.
	 *
	 * @since   1.9
	 *
	 * @param   string  $before_list_item Tag before each list item. Can be defined in the Settings page.
	 * @param   WP_Post $result           WP_Post object.
	 * @param   array   $args             Array of arguments
	 */
	return apply_filters( 'crp_before_list_item', $before_list_item, $result, $args );

}

/**
 * Returns the closing tag of each list item.
 *
 * @since   2.2.0
 *
 * @param   array   $args   Array of arguments.
 * @param   WP_Post $result WP_Post object.
 * @return  string  Space separated list of link attributes
 */
function crp_after_list_item( $args, $result ) {

$after_list_item = $args['after_list_item'];

/**
	 * Filter the closing tag of each list item.
	 *
	 * @since   1.9
	 *
	 * @param   string  $after_list_item    Tag after each list item. Can be defined in the Settings page.
	 * @param   object  $result Object of the current post result
	 * @param   array   $args   Array of arguments
	 */
	return apply_filters( 'crp_after_list_item', $after_list_item, $result, $args );

}

/**
 * Returns the title of each list item.
 *
 * @since   2.2.0
 *
 * @param   array   $args   Array of arguments.
 * @param   WP_Post $result WP_Post object.
 * @return  string  Space separated list of link attributes
 */
function crp_title( $args, $result ) {

$title = crp_trim_char( $result->post_title, $args['title_length'] );  // Get the post title and crop it if needed.

/**
	 * Filter the title of each list item.
	 *
	 * @since   1.9
	 *
	 * @param   string  $title  Title of the post.
	 * @param   WP_Post $result WP_Post object.
	 * @param   array   $args   Array of arguments
	 */
	return apply_filters( 'crp_title', $title, $result, $args );

}

/**
 * Returns the author of each list item.
 *
 * @since   2.2.0
 *
 * @param   array   $args   Array of arguments.
 * @param   WP_Post $result WP_Post object.
 * @return  string  Space separated list of link attributes
 */
function crp_author( $args, $result ) {

$author_info = get_userdata( $result->post_author );
	$author_link = ( false === $author_info ) ? '' : get_author_posts_url( $author_info->ID );
	$author_name = ( false === $author_info ) ? '' : ucwords( trim( stripslashes( $author_info->display_name ) ) );

/**
	 * Filter the author name.
	 *
	 * @since   1.9.1
	 *
	 * @param   string  $author_name    Proper name of the post author.
	 * @param   object  $author_info    WP_User object of the post author
	 */
	$author_name = apply_filters( 'crp_author_name', $author_name, $author_info );

if ( ! empty( $author_name ) ) {
		$crp_author = ' ' . __( ' by ', 'contextual-related-posts' ) . '<a href="' . $author_link . '">' . $author_name . '</a> ';
	} else {
		$crp_author = '';
	}

/**
	 * Filter the text with the author details.
	 *
	 * @since   2.0.0
	 *
	 * @param   string  $crp_author Formatted string with author details and link
	 * @param   object  $author_info    WP_User object of the post author
	 * @param   WP_Post $result WP_Post object.
	 * @param   array   $args   Array of arguments
	 */
	return apply_filters( 'crp_author', $crp_author, $author_info, $result, $args );

}

/**
 * Returns the permalink of each list item.
 *
 * @since   2.5.0
 *
 * @param   array   $args   Array of arguments.
 * @param   WP_Post $result WP_Post object.
 * @return  string  Space separated list of link attributes
 */
function crp_permalink( $args, $result ) {

$link = get_permalink( $result->ID );

/**
	 * Filter the title of each list item.
	 *
	 * @since   2.5.0
	 *
	 * @param   string  $title  Permalink of the post.
	 * @param   WP_Post $result WP_Post object.
	 * @param   array   $args   Array of arguments
	 */
	return apply_filters( 'crp_permalink', $link, $result, $args );

}

/**
 * Returns the formatted list item with link and and thumbnail for each list item.
 *
 * @since   2.2.0
 *
 * @param   array   $args   Array of arguments.
 * @param   WP_Post $result WP_Post object.
 * @return  string Space separated list of link attributes
 */
function crp_list_link( $args, $result ) {

$output          = '';
	$title           = crp_title( $args, $result );
	$link            = crp_permalink( $args, $result );
	$link_attributes = crp_link_attributes( $args, $result );

$output .= '<a href="' . $link . '" ' . $link_attributes . ' class="crp_link ' . $result->post_type . '-' . $result->ID . '">';

if ( 'after' === $args['post_thumb_op'] ) {
		$output .= '' . $title . ''; // Add title when required by settings.
	}

if ( 'inline' === $args['post_thumb_op'] || 'after' === $args['post_thumb_op'] || 'thumbs_only' === $args['post_thumb_op'] ) {
		$output .= '<figure>';
		$output .= crp_get_the_post_thumbnail(
			array(
				'post' => $result,
				'size' => $args['thumb_size'],
				'thumb_meta' => $args['thumb_meta'],
				'thumb_html' => $args['thumb_html'],
				'thumb_default' => $args['thumb_default'],
				'thumb_default_show' => $args['thumb_default_show'],
				'scan_images' => $args['scan_images'],
				'class' => 'crp_thumb',
			)
		);
		$output .= '</figure>';
	}

if ( 'inline' === $args['post_thumb_op'] || 'text_only' === $args['post_thumb_op'] ) {
		$output .= '' . $title . ''; // Add title when required by settings.
	}

$output .= '</a>';

/**
	 * Filter Formatted list item with link and and thumbnail.
	 *
	 * @since   2.2.0
	 *
	 * @param   string  $output Formatted list item with link and and thumbnail
	 * @param   WP_Post $result WP_Post object.
	 * @param   array   $args   Array of arguments
	 */
	return apply_filters( 'crp_list_link', $output, $result, $args );
}

/**
 * Returns the date.
 *
 * @since 3.2.0
 *
 * @param  array   $args   Array of arguments.
 * @param  WP_Post $result WP_Post object.
 * @return string Space separated list of link attributes
 */
function crp_date( $args, $result ) {

$output = mysql2date( get_option( 'date_format', 'd/m/y' ), $result->post_date );

/**
	 * Filter Formatted list item with link and and thumbnail.
	 *
	 * @since 3.2.0
	 *
	 * @param string  $output Formatted list item with link and and thumbnail
	 * @param WP_Post $result WP_Post object.
	 * @param array   $args   Array of arguments
	 */
	return apply_filters( 'crp_date', $output, $result, $args );
}

/**
 * Display the primary term for a given post.
 *
 * @since 3.2.0
 *
 * @param int|WP_Post $post Post ID or WP_Post object.
 * @param string      $term Term name.
 * @param bool        $echo Echo or return.
 * @return string Term name if $echo is true, void if false.
 */
function crp_get_primary_term_name( $post, $term = 'category', $echo = false ) {
	$output       = '';
	$primary_term = crp_get_primary_term( $post, $term );
	if ( ! empty( $primary_term['primary'] ) ) {
		$output = $primary_term['primary']->name;
	}
	if ( $echo ) {
		echo esc_html( $output );
	} else {
		return $output;
	}
}