functions.compat.php — Jetpack – WP Security, Backup, Speed, & Growth 7.4.1

jetpack / functions.compat.php

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functions.compat.php

91 lines

1	<?php
2
3	/**
4	* Required for class.media-extractor.php to match expected function naming convention.
5	*
6	* @param $url Can be just the $url or the whole $atts array
7	* @return bool\|mixed The Youtube video ID via jetpack_get_youtube_id
8	*/
9
10	function jetpack_shortcode_get_youtube_id( $url ) {
11	return jetpack_get_youtube_id( $url );
12	}
13
14	/**
15	* @param $url Can be just the $url or the whole $atts array
16	* @return bool\|mixed The Youtube video ID
17	*/
18	function jetpack_get_youtube_id( $url ) {
19	// Do we have an $atts array? Get first att
20	if ( is_array( $url ) ) {
21	$url = reset( $url );
22	}
23
24	$url = youtube_sanitize_url( $url );
25	$url = parse_url( $url );
26	$id = false;
27
28	if ( ! isset( $url['query'] ) )
29	return false;
30
31	parse_str( $url['query'], $qargs );
32
33	if ( ! isset( $qargs['v'] ) && ! isset( $qargs['list'] ) )
34	return false;
35
36	if ( isset( $qargs['list'] ) )
37	$id = preg_replace( '\|[^_a-z0-9-]\|i', '', $qargs['list'] );
38
39	if ( empty( $id ) )
40	$id = preg_replace( '\|[^_a-z0-9-]\|i', '', $qargs['v'] );
41
42	return $id;
43	}
44
45	if ( !function_exists( 'youtube_sanitize_url' ) ) :
46	/**
47	* Normalizes a YouTube URL to include a v= parameter and a query string free of encoded ampersands.
48	*
49	* @param string $url
50	* @return string The normalized URL
51	*/
52	function youtube_sanitize_url( $url ) {
53	$url = trim( $url, ' "' );
54	$url = trim( $url );
55	$url = str_replace( array( 'youtu.be/', '/v/', '#!v=', '&', '&', 'playlist' ), array( 'youtu.be/?v=', '/?v=', '?v=', '&', '&', 'videoseries' ), $url );
56
57	// Replace any extra question marks with ampersands - the result of a URL like "http://www.youtube.com/v/9FhMMmqzbD8?fs=1&hl=en_US" being passed in.
58	$query_string_start = strpos( $url, "?" );
59
60	if ( false !== $query_string_start ) {
61	$url = substr( $url, 0, $query_string_start + 1 ) . str_replace( "?", "&", substr( $url, $query_string_start + 1 ) );
62	}
63
64	return $url;
65	}
66	endif;
67
68	/**
69	* Merge in three string helper functions from WPCOM.
70	*
71	* @see WPCOM/wp-content/mu-plugins/string-helpers.php
72	*/
73	if ( ! function_exists( 'wp_startswith' ) ) :
74	function wp_startswith( $haystack, $needle ) {
75	return 0 === strpos( $haystack, $needle );
76	}
77	endif;
78
79
80	if ( ! function_exists( 'wp_endswith' ) ) :
81	function wp_endswith( $haystack, $needle ) {
82	return $needle === substr( $haystack, -strlen( $needle ));
83	}
84	endif;
85
86	if ( ! function_exists( 'wp_in' ) ) :
87	function wp_in( $needle, $haystack ) {
88	return false !== strpos( $haystack, $needle );
89	}
90	endif;
91