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Editing: blog.php

<?php
/**
 * Blog Helper Functions
 *
 * @package Astra
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Adds custom classes to the array of body classes.
 */
if ( ! function_exists( 'astra_blog_body_classes' ) ) {

/**
	 * Adds custom classes to the array of body classes.
	 *
	 * @since 1.0
	 * @param array $classes Classes for the body element.
	 * @return array
	 */
	function astra_blog_body_classes( $classes ) {

// Adds a class of group-blog to blogs with more than 1 published author.
		if ( is_multi_author() ) {
			$classes[] = 'group-blog';
		}

return $classes;
	}
}

add_filter( 'body_class', 'astra_blog_body_classes' );

/**
 * Adds custom classes to the array of post grid classes.
 */
if ( ! function_exists( 'astra_post_class_blog_grid' ) ) {

/**
	 * Adds custom classes to the array of post grid classes.
	 *
	 * @since 1.0
	 * @param array $classes Classes for the post element.
	 * @return array
	 */
	function astra_post_class_blog_grid( $classes ) {

if ( is_archive() || is_home() || is_search() ) {
			$classes[] = astra_attr( 'ast-blog-col' );
			$classes[] = 'ast-article-post';
		}

return $classes;
	}
}

add_filter( 'post_class', 'astra_post_class_blog_grid' );

/**
 * Prints HTML with meta information for the current post-date/time and author.
 */
if ( ! function_exists( 'astra_blog_get_post_meta' ) ) {

/**
	 * Prints HTML with meta information for the current post-date/time and author.
	 *
	 * @since 1.0
	 * @return mixed            Markup.
	 */
	function astra_blog_get_post_meta() {

$enable_meta       = apply_filters( 'astra_blog_post_meta_enabled', '__return_true' );
		$post_meta         = astra_get_option( 'blog-meta' );
		$current_post_type = get_post_type();
		$post_type_array   = apply_filters( 'astra_blog_archive_post_type_meta', array( 'post' ) );

if ( in_array( $current_post_type, $post_type_array ) && is_array( $post_meta ) && $enable_meta ) {

$output_str = astra_get_post_meta( $post_meta );

if ( ! empty( $output_str ) ) {
				echo apply_filters( 'astra_blog_post_meta', '<div class="entry-meta">' . $output_str . '</div>', $output_str ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
			}
		}
	}
}

/**
 * Featured post meta.
 */
if ( ! function_exists( 'astra_blog_post_get_featured_item' ) ) {

/**
	 * To featured image / gallery / audio / video etc. As per the post format.
	 *
	 * @since 1.0
	 * @return mixed
	 */
	function astra_blog_post_get_featured_item() {

$post_featured_data = '';
		$post_format        = get_post_format();

if ( has_post_thumbnail() ) {

$post_featured_data  = '<a href="' . esc_url( get_permalink() ) . '" >';
			$post_featured_data .= get_the_post_thumbnail();
			$post_featured_data .= '</a>';

} else {

switch ( $post_format ) {
				case 'image':
					break;

case 'video':
					$post_featured_data = astra_get_video_from_post( get_the_ID() );
					break;

case 'gallery':
					$post_featured_data = get_post_gallery( get_the_ID(), false );
					if ( isset( $post_featured_data['ids'] ) ) {
						$img_ids = explode( ',', $post_featured_data['ids'] );

$image_alt = get_post_meta( $img_ids[0], '_wp_attachment_image_alt', true );
						$image_url = wp_get_attachment_url( $img_ids[0] );

if ( isset( $img_ids[0] ) ) {
							$post_featured_data  = '<a href="' . esc_url( get_permalink() ) . '" >';
							$post_featured_data .= '<img src="' . esc_url( $image_url ) . '" alt="' . esc_attr( $image_alt ) . '" >';
							$post_featured_data .= '</a>';
						}
					}
					break;

case 'audio':
					$post_featured_data = do_shortcode( astra_get_audios_from_post( get_the_ID() ) );
					break;
			}
		}

echo $post_featured_data; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
	}
}

add_action( 'astra_blog_post_featured_format', 'astra_blog_post_get_featured_item' );

/**
 * Blog Post Thumbnail / Title & Meta Order
 */
if ( ! function_exists( 'astra_blog_post_thumbnail_and_title_order' ) ) {

/**
	 * Blog post Thubmnail, Title & Blog Meta order
	 *
	 * @since  1.0.8
	 */
	function astra_blog_post_thumbnail_and_title_order() {

$blog_post_thumb_title_order = astra_get_option( 'blog-post-structure' );
		if ( is_single() ) {
			$blog_post_thumb_title_order = astra_get_option( 'blog-single-post-structure' );
		}
		if ( is_array( $blog_post_thumb_title_order ) ) {
			// Append the custom class for second element for single post.
			foreach ( $blog_post_thumb_title_order as $post_thumb_title_order ) {

switch ( $post_thumb_title_order ) {

// Blog Post Featured Image.
					case 'image':
						do_action( 'astra_blog_archive_featured_image_before' );
						astra_get_blog_post_thumbnail( 'archive' );
						do_action( 'astra_blog_archive_featured_image_after' );
						break;

// Blog Post Title and Blog Post Meta.
					case 'title-meta':
						do_action( 'astra_blog_archive_title_meta_before' );
						astra_get_blog_post_title_meta();
						do_action( 'astra_blog_archive_title_meta_after' );
						break;

// Single Post Featured Image.
					case 'single-image':
						do_action( 'astra_blog_single_featured_image_before' );
						astra_get_blog_post_thumbnail( 'single' );
						do_action( 'astra_blog_single_featured_image_after' );
						break;

// Single Post Title and Single Post Meta.
					case 'single-title-meta':
						do_action( 'astra_blog_single_title_meta_before' );
						astra_get_single_post_title_meta();
						do_action( 'astra_blog_single_title_meta_after' );
						break;
				}
			}
		}
	}
}

/**
 * Blog / Single Post Thumbnail
 */
if ( ! function_exists( 'astra_get_blog_post_thumbnail' ) ) {

/**
	 * Blog post Thumbnail
	 *
	 * @param string $type Type of post.
	 * @since  1.0.8
	 */
	function astra_get_blog_post_thumbnail( $type = 'archive' ) {

if ( 'archive' === $type ) {
			// Blog Post Featured Image.
			astra_get_post_thumbnail( '<div class="ast-blog-featured-section post-thumb ' . astra_attr( 'ast-grid-blog-col' ) . '">', '</div>' );
		} elseif ( 'single' === $type ) {
			// Single Post Featured Image.
			astra_get_post_thumbnail();
		}
	}
}

/**
 * Blog Post Title & Meta Order
 */
if ( ! function_exists( 'astra_get_blog_post_title_meta' ) ) {

/**
	 * Blog post Thumbnail
	 *
	 * @since  1.0.8
	 */
	function astra_get_blog_post_title_meta() {

// Blog Post Title and Blog Post Meta.
		do_action( 'astra_archive_entry_header_before' );
		?>
		<header class="entry-header">
			<?php

do_action( 'astra_archive_post_title_before' );

/* translators: 1: Current post link, 2: Current post id */
				astra_the_post_title(
					sprintf(
						'<h2 class="entry-title" %2$s><a href="%1$s" rel="bookmark">',
						esc_url( get_permalink() ),
						astra_attr(
							'article-title-blog',
							array(
								'class' => '',
							)
						)
					),
					'</a></h2>',
					get_the_id()
				);

do_action( 'astra_archive_post_title_after' );

?>
			<?php

do_action( 'astra_archive_post_meta_before' );

astra_blog_get_post_meta();

do_action( 'astra_archive_post_meta_after' );

?>
		</header>
		<?php

do_action( 'astra_archive_entry_header_after' );
	}
}

/**
 * Single Post Title & Meta Order
 */
if ( ! function_exists( 'astra_get_single_post_title_meta' ) ) {

/**
	 * Blog post Thumbnail
	 *
	 * @since  1.0.8
	 */
	function astra_get_single_post_title_meta() {

// Single Post Title and Single Post Meta.
		do_action( 'astra_single_post_order_before' );

?>
		<div class="ast-single-post-order">
			<?php

do_action( 'astra_single_post_title_before' );

astra_the_title(
				'<h1 class="entry-title" ' . astra_attr(
					'article-title-blog-single',
					array(
						'class' => '',
					)
				) . '>',
				'</h1>'
			);

do_action( 'astra_single_post_title_after' );

do_action( 'astra_single_post_meta_before' );

astra_single_get_post_meta();

do_action( 'astra_single_post_meta_after' );

?>
		</div>
		<?php

do_action( 'astra_single_post_order_after' );
	}
}

/**
 * Get audio files from post content
 */
if ( ! function_exists( 'astra_get_audios_from_post' ) ) {

/**
	 * Get audio files from post content
	 *
	 * @param  number $post_id Post id.
	 * @return mixed          Iframe.
	 */
	function astra_get_audios_from_post( $post_id ) {

// for audio post type - grab.
		$post    = get_post( $post_id );
		$content = do_shortcode( apply_filters( 'the_content', $post->post_content ) ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
		$embeds  = apply_filters( 'astra_get_post_audio', get_media_embedded_in_content( $content ) );

if ( empty( $embeds ) ) {
			return '';
		}

// check what is the first embed containg video tag, youtube or vimeo.
		foreach ( $embeds as $embed ) {
			if ( strpos( $embed, 'audio' ) ) {
				return '<span class="ast-post-audio-wrapper">' . $embed . '</span>';
			}
		}
	}
}

/**
 * Get first image from post content
 */
if ( ! function_exists( 'astra_get_video_from_post' ) ) {

/**
	 * Get first image from post content
	 *
	 * @since 1.0
	 * @param  number $post_id Post id.
	 * @return mixed
	 */
	function astra_get_video_from_post( $post_id ) {

$post    = get_post( $post_id );
		$content = do_shortcode( apply_filters( 'the_content', $post->post_content ) ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
		$embeds  = apply_filters( 'astra_get_post_audio', get_media_embedded_in_content( $content ) );

if ( empty( $embeds ) ) {
			return '';
		}

// check what is the first embed containg video tag, youtube or vimeo.
		foreach ( $embeds as $embed ) {
			if ( strpos( $embed, 'video' ) || strpos( $embed, 'youtube' ) || strpos( $embed, 'vimeo' ) ) {
				return $embed;
			}
		}
	}
}