jetpack / modules / shortcodes.php

shortcodes.php in Jetpack – WP Security, Backup, Speed, & Growth 4.9.3, at modules/shortcodes.php

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1	<?php
2
3	/**
4	* Module Name: Shortcode Embeds
5	* Module Description: Embed media from popular sites without any coding.
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	* Feature: Writing
13	* Additional Search Queries: shortcodes, shortcode, embeds, media, bandcamp, dailymotion, facebook, flickr, google calendars, google maps, google+, polldaddy, recipe, recipes, scribd, slideshare, slideshow, slideshows, soundcloud, ted, twitter, vimeo, vine, youtube
14	*/
15
16	/**
17	* Transforms the $atts array into a string that the old functions expected
18	*
19	* The old way was:
20	* [shortcode a=1&b=2&c=3] or [shortcode=1]
21	* This is parsed as array( a => '1&b=2&c=3' ) and array( 0 => '=1' ), which is useless
22	*
23	* @param array $params Array of old shortcode parameters.
24	* @param bool $old_format_support true if [shortcode=foo] format is possible.
25	*
26	* @return string $params
27	*/
28	function shortcode_new_to_old_params( $params, $old_format_support = false ) {
29	$str = '';
30
31	if ( $old_format_support && isset( $params[0] ) ) {
32	$str = ltrim( $params[0], '=' );
33	} elseif ( is_array( $params ) ) {
34	foreach ( array_keys( $params ) as $key ) {
35	if ( ! is_numeric( $key ) ) {
36	$str = $key . '=' . $params[ $key ];
37	}
38	}
39	}
40
41	return str_replace( array( '&', '&' ), '&', $str );
42	}
43
44	/**
45	* Load all available Jetpack shortcode files.
46	*/
47	function jetpack_load_shortcodes() {
48	$shortcode_includes = array();
49
50	foreach ( Jetpack::glob_php( dirname( __FILE__ ) . '/shortcodes' ) as $file ) {
51	$filename = substr( basename( $file ), 0, -4 );
52
53	$shortcode_includes[ $filename ] = $file;
54	}
55
56	/**
57	* This filter allows other plugins to override which shortcodes Jetpack loads.
58	*
59	* @module shortcodes
60	*
61	* @since 2.2.1
62	* @since 4.2.0 Added filename without extension as array key.
63	*
64	* @param array $shortcode_includes An array of which shortcodes to include.
65	*/
66	$shortcode_includes = apply_filters( 'jetpack_shortcodes_to_include', $shortcode_includes );
67
68	foreach ( $shortcode_includes as $include ) {
69	include $include;
70	}
71	}
72
73	/**
74	* Runs preg_replace so that replacements don't happen within open tags.
75	* Parameters are the same as preg_replace, with an added optional search param for improved performance
76	*
77	* @param string $pattern Pattern to search for.
78	* @param string $replacement String to replace.
79	* @param string $content Post content.
80	* @param string $search String to search for.
81	*
82	* @return string $content Replaced post content.
83	*/
84	function jetpack_preg_replace_outside_tags( $pattern, $replacement, $content, $search = null ) {
85	if ( ! function_exists( 'wp_html_split' ) ) {
86	return $content;
87	}
88
89	if ( $search && false === strpos( $content, $search ) ) {
90	return $content;
91	}
92
93	$textarr = wp_html_split( $content );
94	unset( $content );
95	foreach ( $textarr as &$element ) {
96	if ( '' === $element \|\| '<' === $element{0} ) {
97	continue;
98	}
99	$element = preg_replace( $pattern, $replacement, $element );
100	}
101
102	return join( $textarr );
103	}
104
105	/**
106	* Runs preg_replace_callback so that replacements don't happen within open tags.
107	* Parameters are the same as preg_replace, with an added optional search param for improved performance.
108	*
109	* @param string $pattern Pattern to search for.
110	* @param string $callback Callback returning the replacement string.
111	* @param string $content Post content.
112	* @param string $search String to search for.
113	*
114	* @return string $content Replaced post content.
115	*/
116	function jetpack_preg_replace_callback_outside_tags( $pattern, $callback, $content, $search = null ) {
117	if ( ! function_exists( 'wp_html_split' ) ) {
118	return $content;
119	}
120
121	if ( $search && false === strpos( $content, $search ) ) {
122	return $content;
123	}
124
125	$textarr = wp_html_split( $content );
126	unset( $content );
127	foreach ( $textarr as &$element ) {
128	if ( '' === $element \|\| '<' === $element{0} ) {
129	continue;
130	}
131	$element = preg_replace_callback( $pattern, $callback, $element );
132	}
133
134	return join( $textarr );
135	}
136
137	if ( ! function_exists( 'jetpack_shortcode_get_wpvideo_id' ) ) {
138	/**
139	* Get VideoPress ID from wpvideo shortcode attributes.
140	*
141	* @param array $atts Shortcode attributes.
142	* @return int $id VideoPress ID.
143	*/
144	function jetpack_shortcode_get_wpvideo_id( $atts ) {
145	if ( isset( $atts[0] ) ) {
146	return $atts[0];
147	} else {
148	return 0;
149	}
150	}
151	}
152
153	if ( ! function_exists( 'jetpack_shortcode_get_videopress_id' ) ) {
154	/**
155	* Get VideoPress ID from videopress shortcode attributes.
156	*
157	* @param array $atts Shortcode attributes.
158	* @return int $id VideoPress ID.
159	*/
160	function jetpack_shortcode_get_videopress_id( $atts ) {
161	if ( isset( $atts[0] ) ) {
162	return $atts[0];
163	} else {
164	return 0;
165	}
166	}
167	}
168
169	/**
170	* Common element attributes parsing and sanitizing for src, width and height.
171	*
172	* @since 4.5.0
173	*
174	* @param array $attrs With original values.
175	*
176	* @return array $attrs With sanitized values.
177	*/
178	function wpcom_shortcodereverse_parseattr( $attrs ) {
179	$defaults = array(
180	'src' => false,
181	'width' => false,
182	'height' => false,
183	);
184
185	$attrs = shortcode_atts( $defaults, $attrs );
186
187	$attrs['src'] = strip_tags( $attrs['src'] ); // For sanity
188	$attrs['width'] = ( is_numeric( $attrs['width'] ) ) ? abs( intval( $attrs['width'] ) ) : $defaults['width'];
189	$attrs['height'] = ( is_numeric( $attrs['height'] ) ) ? abs( intval( $attrs['height'] ) ) : $defaults['height'];
190
191	return $attrs;
192	}
193
194	jetpack_load_shortcodes();
195