<?php
/**
 * @package Skeptical
 *
 * @TODO: Add back compat.
 */

if ( ! function_exists( 'wpcom_themes_url_grabber' ) ) :
/**
 * Return the URL for the first link found in this post.
 *
 * @param string the_content Post content, falls back to current post content if empty.
 * @return string|bool URL or false when no link is present.
 */
function wpcom_themes_url_grabber( $the_content = '' ) {
	if ( empty( $the_content ) )
		$the_content = make_clickable( get_the_content() );

	if ( function_exists( 'get_url_in_content' ) )
		return get_url_in_content( $the_content );

	if ( preg_match( '/<a\s[^>]*?href=([\'"])(.+?)\1/is', $the_content, $matches ) )
		return esc_url_raw( $matches[1] );

	return '';
}
endif; // if ( ! function_exists( 'wpcom_themes_url_grabber' ) )

/**
 * Return the first audio file found for a post.
 *
 * @param int $post_id ID for parent post.
 * @return WP_Post The audio attachment object.
 */
function skeptical_audio_grabber( $post_id ) {
	if ( function_exists( 'get_attached_media' ) ) {
		$media = get_attached_media( 'audio', $post_id );
		return array_shift( $media );
	}

	$audios = get_children( array(
		'post_parent'    => $post_id,
		'post_type'      => 'attachment',
		'post_mime_type' => 'audio',
		'posts_per_page' => -1,
		'orderby'        => 'menu_order',
		'order'          => 'ASC',
	) );

	$audios = (array) apply_filters( 'get_attached_media', $audios, 'audio', get_post( $post_id ) );

	return array_shift( $audios );
}