jetpack / modules / shortcodes.php

shortcodes.php in Jetpack – WP Security, Backup, Speed, & Growth 3.1.5, at modules/shortcodes.php

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1	<?php
2
3	/**
4	* Module Name: Shortcode Embeds
5	* Module Description: Embed content from YouTube, Vimeo, SlideShare, and more, no coding necessary.
6	* Sort Order: 3
7	* First Introduced: 1.1
8	* Major Changes In: 1.2
9	* Requires Connection: No
10	* Auto Activate: Yes
11	* Module Tags: Photos and Videos, Social, Writing, Appearance
12	*/
13
14	/**
15	* Transforms the $atts array into a string that the old functions expected
16	*
17	* The old way was:
18	* [shortcode a=1&b=2&c=3] or [shortcode=1]
19	* This is parsed as array( a => '1&b=2&c=3' ) and array( 0 => '=1' ), which is useless
20	*
21	* @param Array $params
22	* @param Bool $old_format_support true if [shortcode=foo] format is possible.
23	* @return String $params
24	*/
25	function shortcode_new_to_old_params( $params, $old_format_support = false ) {
26	$str = '';
27
28	if ( $old_format_support && isset( $params[0] ) ) {
29	$str = ltrim( $params[0], '=' );
30	} elseif ( is_array( $params ) ) {
31	foreach ( array_keys( $params ) as $key ) {
32	if ( ! is_numeric( $key ) )
33	$str = $key . '=' . $params[$key];
34	}
35	}
36
37	return str_replace( array( '&', '&' ), '&', $str );
38	}
39
40	function jetpack_load_shortcodes() {
41	global $wp_version;
42
43	$shortcode_includes = array();
44
45	foreach ( Jetpack::glob_php( dirname( __FILE__ ) . '/shortcodes' ) as $file ) {
46	$shortcode_includes[] = $file;
47	}
48
49	$shortcode_includes = apply_filters( 'jetpack_shortcodes_to_include', $shortcode_includes );
50
51	foreach ( $shortcode_includes as $include ) {
52	if ( version_compare( $wp_version, '3.6-z', '>=' ) && stristr( $include, 'audio.php' ) )
53	continue;
54
55	include $include;
56	}
57	}
58
59	/**
60	* Runs preg_replace so that replacements don't happen within open tags.
61	* Parameters are the same as preg_replace, with an added optional search param for improved performance
62	*
63	* @param String $pattern
64	* @param String $replacement
65	* @param String $content
66	* @param String $search
67	* @return String $content
68	*/
69	function jetpack_preg_replace_outside_tags( $pattern, $replacement, $content, $search = null ) {
70	if( ! function_exists( 'wp_html_split' ) ) {
71	return $content;
72	}
73
74	if ( $search && false === strpos( $content, $search ) ) {
75	return $content;
76	}
77
78	$textarr = wp_html_split( $content );
79	unset( $content );
80	foreach( $textarr as &$element ) {
81	if ( '' === $element \|\| '<' === $element{0} )
82	continue;
83	$element = preg_replace( $pattern, $replacement, $element );
84	}
85
86	return join( $textarr );
87	}
88
89	/**
90	* Runs preg_replace_callback so that replacements don't happen within open tags.
91	* Parameters are the same as preg_replace, with an added optional search param for improved performance
92	*
93	* @param String $pattern
94	* @param String $replacement
95	* @param String $content
96	* @param String $search
97	* @return String $content
98	*/
99	function jetpack_preg_replace_callback_outside_tags( $pattern, $callback, $content, $search = null ) {
100	if( ! function_exists( 'wp_html_split' ) ) {
101	return $content;
102	}
103
104	if ( $search && false === strpos( $content, $search ) ) {
105	return $content;
106	}
107
108	$textarr = wp_html_split( $content );
109	unset( $content );
110	foreach( $textarr as &$element ) {
111	if ( '' === $element \|\| '<' === $element{0} )
112	continue;
113	$element = preg_replace_callback( $pattern, $callback, $element );
114	}
115
116	return join( $textarr );
117	}
118
119	global $wp_version;
120
121	if ( version_compare( $wp_version, '3.6-z', '>=' ) ) {
122	add_filter( 'shortcode_atts_audio', 'jetpack_audio_atts_handler', 10, 3 );
123
124	function jetpack_audio_atts_handler( $out, $pairs, $atts ) {
125	if( isset( $atts[0] ) )
126	$out['src'] = $atts[0];
127
128	return $out;
129	}
130	}
131
132	jetpack_load_shortcodes();
133