| 1 |
<?php |
| 2 |
/** |
| 3 |
* Youtube shortcode |
| 4 |
* |
| 5 |
* Contains shortcode + some improvements over the Core Embeds syntax (see http://codex.wordpress.org/Embeds ) |
| 6 |
* |
| 7 |
* Examples: |
| 8 |
* [youtube https://www.youtube.com/watch?v=WVbQ-oro7FQ] |
| 9 |
* [youtube=http://www.youtube.com/watch?v=wq0rXGLs0YM&fs=1&hl=bg_BG&autohide=1&rel=0] |
| 10 |
* http://www.youtube.com/watch?v=H2Ncxw1xfck&w=320&h=240&fmt=1&rel=0&showsearch=1&hd=0 |
| 11 |
* http://www.youtube.com/v/9FhMMmqzbD8?fs=1&hl=en_US |
| 12 |
* https://www.youtube.com/playlist?list=PLP7HaNDU4Cifov7C2fQM8Ij6Ew_uPHEXW |
| 13 |
* |
| 14 |
* @package automattic/jetpack |
| 15 |
*/ |
| 16 |
|
| 17 |
/** |
| 18 |
* Replaces YouTube embeds with YouTube shortcodes. |
| 19 |
* |
| 20 |
* Covers the following formats: |
| 21 |
* 2008-07-15: |
| 22 |
* <object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/bZBHZT3a-FA&hl=en&fs=1"></param><param name="allowFullScreen" value="true"></param><embed src="http://www.youtube.com/v/bZBHZT3a-FA&hl=en&fs=1" type="application/x-shockwave-flash" allowfullscreen="true" width="425" height="344"></embed></object> |
| 23 |
* around 2008-06-06 youtube changed their old embed code to this: |
| 24 |
* <object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/M1D30gS7Z8U&hl=en"></param><embed src="http://www.youtube.com/v/M1D30gS7Z8U&hl=en" type="application/x-shockwave-flash" width="425" height="344"></embed></object> |
| 25 |
* old style was: |
| 26 |
* <object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/dGY28Qbj76A&rel=0"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/dGY28Qbj76A&rel=0" type="application/x-shockwave-flash" wmode="transparent" width="425" height="344"></embed></object> |
| 27 |
* 12-2010: |
| 28 |
* <object width="640" height="385"><param name="movie" value="http://www.youtube.com/v/3H8bnKdf654?fs=1&hl=en_GB"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/3H8bnKdf654?fs=1&hl=en_GB" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="640" height="385"></embed></object> |
| 29 |
* 01-2011: |
| 30 |
* <iframe title="YouTube video player" class="youtube-player" width="640" height="390" src="http://www.youtube.com/embed/Qq9El3ki0_g" frameborder="0" allowFullScreen></iframe> |
| 31 |
* <iframe class="youtube-player" width="640" height="385" src="http://www.youtube.com/embed/VIDEO_ID" frameborder="0"></iframe> |
| 32 |
* |
| 33 |
* @param string $content HTML content. |
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* @return string The content with YouTube embeds replaced with YouTube shortcodes. |
| 35 |
*/ |
| 36 |
function youtube_embed_to_short_code( $content ) { |
| 37 |
if ( ! is_string( $content ) || false === strpos( $content, 'youtube.com' ) ) { |
| 38 |
return $content; |
| 39 |
} |
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|
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// older codes. |
| 42 |
$regexp = '!<object(.*?)>.*?<param\s+name=[\'"]movie[\'"]\s+value=[\'"](https?:)?//www\.youtube\.com/v/([^\'"]+)[\'"].*?>.*?</object>!i'; |
| 43 |
$regexp_ent = htmlspecialchars( $regexp, ENT_NOQUOTES ); |
| 44 |
$old_regexp = '!<embed(?:\s+\w+="[^"]*")*\s+src="https?(?:\:|�*58;)//www\.youtube\.com/v/([^"]+)"(?:\s+\w+="[^"]*")*\s*(?:/>|>\s*</embed>)!'; |
| 45 |
$old_regexp_ent = str_replace( '&#0*58;', '&#0*58;|�*58;', htmlspecialchars( $old_regexp, ENT_NOQUOTES ) ); |
| 46 |
|
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// new code. |
| 48 |
$ifr_regexp = '!<iframe((?:\s+\w+="[^"]*")*?)\s+src="(https?:)?//(?:www\.)*youtube.com/embed/([^"]+)".*?</iframe>!i'; |
| 49 |
$ifr_regexp_ent = str_replace( '&#0*58;', '&#0*58;|�*58;', htmlspecialchars( $ifr_regexp, ENT_NOQUOTES ) ); |
| 50 |
|
| 51 |
foreach ( compact( 'regexp', 'regexp_ent', 'old_regexp', 'old_regexp_ent', 'ifr_regexp', 'ifr_regexp_ent' ) as $reg => $regexp ) { |
| 52 |
if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) { |
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continue; |
| 54 |
} |
| 55 |
|
| 56 |
foreach ( $matches as $match ) { |
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/* |
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* Hack, but '?' should only ever appear once, and |
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* it should be for the 1st field-value pair in query string, |
| 60 |
* if it is present |
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* YouTube changed their embed code. |
| 62 |
* Example of how it is now: |
| 63 |
* <object width="640" height="385"><param name="movie" value="http://www.youtube.com/v/aP9AaD4tgBY?fs=1&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/aP9AaD4tgBY?fs=1&hl=en_US" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="640" height="385"></embed></object> |
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* As shown at the start of function, previous YouTube didn't '?' |
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* the 1st field-value pair. |
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*/ |
| 67 |
if ( in_array( $reg, array( 'ifr_regexp', 'ifr_regexp_ent', 'regexp', 'regexp_ent' ), true ) ) { |
| 68 |
$params = $match[1]; |
| 69 |
|
| 70 |
if ( in_array( $reg, array( 'ifr_regexp_ent', 'regexp_ent' ), true ) ) { |
| 71 |
$params = html_entity_decode( $params ); |
| 72 |
} |
| 73 |
|
| 74 |
$params = wp_kses_hair( $params, array( 'http' ) ); |
| 75 |
|
| 76 |
$width = isset( $params['width'] ) ? (int) $params['width']['value'] : 0; |
| 77 |
$height = isset( $params['height'] ) ? (int) $params['height']['value'] : 0; |
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$wh = ''; |
| 79 |
|
| 80 |
if ( $width && $height ) { |
| 81 |
$wh = "&w=$width&h=$height"; |
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} |
| 83 |
|
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$url = esc_url_raw( "https://www.youtube.com/watch?v={$match[3]}{$wh}" ); |
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} else { |
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$match[1] = str_replace( '?', '&', $match[1] ); |
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|
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$url = esc_url_raw( 'https://www.youtube.com/watch?v=' . html_entity_decode( $match[1] ) ); |
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} |
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|
| 91 |
$content = str_replace( $match[0], "[youtube $url]", $content ); |
| 92 |
|
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/** |
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* Fires before the YouTube embed is transformed into a shortcode. |
| 95 |
* |
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* @module shortcodes |
| 97 |
* |
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* @since 1.2.0 |
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* |
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* @param string youtube Shortcode name. |
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* @param string $url YouTube video URL. |
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*/ |
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do_action( 'jetpack_embed_to_shortcode', 'youtube', $url ); |
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} |
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} |
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|
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return $content; |
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} |
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add_filter( 'pre_kses', 'youtube_embed_to_short_code' ); |
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|
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/** |
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* Replaces plain-text links to YouTube videos with YouTube embeds. |
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* |
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* @param string $content HTML content. |
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* |
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* @return string The content with embeds instead of URLs |
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*/ |
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function youtube_link( $content ) { |
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return jetpack_preg_replace_callback_outside_tags( '!(?:\n|\A)https?://(?:www\.)?(?:youtube.com/(?:v/|playlist|watch[/\#?])|youtu\.be/)[^\s]+?(?:\n|\Z)!i', 'youtube_link_callback', $content, 'youtube.com/' ); |
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} |
| 121 |
|
| 122 |
/** |
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* Callback function for the regex that replaces YouTube URLs with |
| 124 |
* YouTube embeds. |
| 125 |
* |
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* @param array $matches An array containing a YouTube URL. |
| 127 |
*/ |
| 128 |
function youtube_link_callback( $matches ) { |
| 129 |
return "\n" . youtube_id( $matches[0] ) . "\n"; |
| 130 |
} |
| 131 |
|
| 132 |
/** |
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* Normalizes a YouTube URL to include a v= parameter and a query string free of encoded ampersands. |
| 134 |
* |
| 135 |
* @param string $url |
| 136 |
* @return string The normalized URL |
| 137 |
*/ |
| 138 |
if ( ! function_exists( 'youtube_sanitize_url' ) ) : |
| 139 |
/** |
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* Clean up Youtube URL to match a single format. |
| 141 |
* |
| 142 |
* @param string $url Youtube URL. |
| 143 |
*/ |
| 144 |
function youtube_sanitize_url( $url ) { |
| 145 |
$url = trim( $url, ' "' ); |
| 146 |
$url = trim( $url ); |
| 147 |
$url = str_replace( array( 'youtu.be/', '/v/', '#!v=', '&', '&', 'playlist' ), array( 'youtu.be/?v=', '/?v=', '?v=', '&', '&', 'videoseries' ), $url ); |
| 148 |
|
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// 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. |
| 150 |
$query_string_start = strpos( $url, '?' ); |
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|
| 152 |
if ( false !== $query_string_start ) { |
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$url = substr( $url, 0, $query_string_start + 1 ) . str_replace( '?', '&', substr( $url, $query_string_start + 1 ) ); |
| 154 |
} |
| 155 |
|
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return $url; |
| 157 |
} |
| 158 |
endif; |
| 159 |
|
| 160 |
/** |
| 161 |
* Converts a YouTube URL into an embedded YouTube video. |
| 162 |
* |
| 163 |
* URL can be: |
| 164 |
* http://www.youtube.com/embed/videoseries?list=PL94269DA08231042B&hl=en_US |
| 165 |
* http://www.youtube.com/watch#!v=H2Ncxw1xfck |
| 166 |
* http://www.youtube.com/watch?v=H2Ncxw1xfck |
| 167 |
* http://www.youtube.com/watch?v=H2Ncxw1xfck&w=320&h=240&fmt=1&rel=0&showsearch=1&hd=0 |
| 168 |
* http://www.youtube.com/v/jF-kELmmvgA |
| 169 |
* http://www.youtube.com/v/9FhMMmqzbD8?fs=1&hl=en_US |
| 170 |
* http://youtu.be/Rrohlqeir5E |
| 171 |
* https://www.youtube.com/watch?v=GJNxoe-iSb4&list=PLAVZ4NFtZX0fE54mDSqNKym-o_rz-8xmk |
| 172 |
* |
| 173 |
* @param string $url Youtube URL. |
| 174 |
*/ |
| 175 |
function youtube_id( $url ) { |
| 176 |
$id = jetpack_get_youtube_id( $url ); |
| 177 |
|
| 178 |
if ( ! $id ) { |
| 179 |
return sprintf( '<!--%s-->', esc_html__( 'YouTube Error: bad URL entered', 'jetpack' ) ); |
| 180 |
} |
| 181 |
|
| 182 |
$url = youtube_sanitize_url( $url ); |
| 183 |
$url = wp_parse_url( $url ); |
| 184 |
|
| 185 |
$args = jetpack_shortcode_youtube_args( $url ); |
| 186 |
if ( empty( $args ) ) { |
| 187 |
return sprintf( '<!--%s-->', esc_html__( 'YouTube Error: empty URL args', 'jetpack' ) ); |
| 188 |
} |
| 189 |
|
| 190 |
// Account for URL having both v and list, where jetpack_get_youtube_id() only accounts for one or the other. |
| 191 |
if ( isset( $args['list'] ) && $args['list'] === $id ) { |
| 192 |
$id = null; |
| 193 |
} |
| 194 |
if ( isset( $args['v'] ) ) { |
| 195 |
$id = $args['v']; |
| 196 |
} |
| 197 |
if ( ! $id && empty( $args['list'] ) ) { |
| 198 |
return sprintf( '<!--%s-->', esc_html__( 'YouTube Error: missing id and/or list', 'jetpack' ) ); |
| 199 |
} |
| 200 |
|
| 201 |
list( $w, $h ) = jetpack_shortcode_youtube_dimensions( $args ); |
| 202 |
|
| 203 |
$params = array( |
| 204 |
'rel' => ( isset( $args['rel'] ) && '0' === $args['rel'] ) ? 0 : 1, |
| 205 |
'showsearch' => ( isset( $args['showsearch'] ) && '1' === $args['showsearch'] ) ? 1 : 0, // Now deprecated. See https://developers.google.com/youtube/player_parameters#march-29,-2012. |
| 206 |
'showinfo' => ( isset( $args['showinfo'] ) && '0' === $args['showinfo'] ) ? 0 : 1, // Now obsolete. See https://developers.google.com/youtube/player_parameters#showinfo. |
| 207 |
'iv_load_policy' => ( isset( $args['iv_load_policy'] ) && '3' === $args['iv_load_policy'] ) ? 3 : 1, |
| 208 |
'fs' => 1, |
| 209 |
'hl' => str_replace( '_', '-', get_locale() ), |
| 210 |
); |
| 211 |
if ( isset( $args['fmt'] ) && (int) $args['fmt'] ) { |
| 212 |
$params['fmt'] = (int) $args['fmt']; // Apparently an obsolete parameter. Not referenced on https://developers.google.com/youtube/player_parameters. |
| 213 |
} |
| 214 |
|
| 215 |
// The autohide parameter has been deprecated since 2015. See https://developers.google.com/youtube/player_parameters#august-19,-2015. |
| 216 |
if ( ! isset( $args['autohide'] ) || ( $args['autohide'] < 0 || 2 < $args['autohide'] ) ) { |
| 217 |
$params['autohide'] = 2; |
| 218 |
} else { |
| 219 |
$params['autohide'] = (int) $args['autohide']; |
| 220 |
} |
| 221 |
|
| 222 |
$start = 0; |
| 223 |
if ( isset( $args['start'] ) ) { |
| 224 |
$start = (int) $args['start']; |
| 225 |
} elseif ( isset( $args['t'] ) ) { |
| 226 |
if ( is_numeric( $args['t'] ) ) { |
| 227 |
$start = (int) $args['t']; |
| 228 |
} else { |
| 229 |
$time_pieces = preg_split( '/(?<=\D)(?=\d+)/', $args['t'] ); |
| 230 |
|
| 231 |
foreach ( $time_pieces as $time_piece ) { |
| 232 |
$int = (int) $time_piece; |
| 233 |
switch ( substr( $time_piece, - 1 ) ) { |
| 234 |
case 'h': |
| 235 |
$start += $int * 3600; |
| 236 |
break; |
| 237 |
case 'm': |
| 238 |
$start += $int * 60; |
| 239 |
break; |
| 240 |
case 's': |
| 241 |
$start += $int; |
| 242 |
break; |
| 243 |
} |
| 244 |
} |
| 245 |
} |
| 246 |
} |
| 247 |
if ( $start ) { |
| 248 |
$params['start'] = (int) $start; |
| 249 |
} |
| 250 |
|
| 251 |
if ( isset( $args['end'] ) && (int) $args['end'] ) { |
| 252 |
$params['end'] = (int) $args['end']; |
| 253 |
} |
| 254 |
if ( isset( $args['hd'] ) && (int) $args['hd'] ) { |
| 255 |
$params['hd'] = (int) $args['hd']; // Now obsolete per https://developers.google.com/youtube/player_parameters#march-29,-2012. |
| 256 |
} |
| 257 |
if ( isset( $args['vq'] ) && in_array( $args['vq'], array( 'hd720', 'hd1080' ), true ) ) { |
| 258 |
$params['vq'] = $args['vq']; // Note, this appears to be obsolete. Not referenced on https://developers.google.com/youtube/player_parameters. |
| 259 |
} |
| 260 |
if ( isset( $args['cc_load_policy'] ) ) { |
| 261 |
$params['cc_load_policy'] = 1; |
| 262 |
} |
| 263 |
if ( isset( $args['cc_lang_pref'] ) ) { |
| 264 |
$params['cc_lang_pref'] = preg_replace( '/[^_a-z0-9-]/i', '', $args['cc_lang_pref'] ); |
| 265 |
} |
| 266 |
|
| 267 |
// The wmode parameter appears to be obsolete. Not referenced on https://developers.google.com/youtube/player_parameters. |
| 268 |
if ( isset( $args['wmode'] ) && in_array( strtolower( $args['wmode'] ), array( 'opaque', 'window', 'transparent' ), true ) ) { |
| 269 |
$params['wmode'] = $args['wmode']; |
| 270 |
} else { |
| 271 |
$params['wmode'] = 'transparent'; |
| 272 |
} |
| 273 |
|
| 274 |
// The theme parameter is obsolete per https://developers.google.com/youtube/player_parameters#august-19,-2015. |
| 275 |
if ( isset( $args['theme'] ) && in_array( strtolower( $args['theme'] ), array( 'dark', 'light' ), true ) ) { |
| 276 |
$params['theme'] = $args['theme']; |
| 277 |
} |
| 278 |
|
| 279 |
if ( isset( $args['list'] ) ) { |
| 280 |
$params['listType'] = 'playlist'; |
| 281 |
$params['list'] = preg_replace( '|[^_a-z0-9-]|i', '', $args['list'] ); |
| 282 |
} |
| 283 |
|
| 284 |
/** |
| 285 |
* Allow YouTube videos to start playing automatically. |
| 286 |
* |
| 287 |
* @module shortcodes |
| 288 |
* |
| 289 |
* @since 2.2.2 |
| 290 |
* |
| 291 |
* @param bool false Enable autoplay for YouTube videos. |
| 292 |
*/ |
| 293 |
if ( apply_filters( 'jetpack_youtube_allow_autoplay', false ) && isset( $args['autoplay'] ) ) { |
| 294 |
$params['autoplay'] = (int) $args['autoplay']; |
| 295 |
} |
| 296 |
|
| 297 |
$is_amp = class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request(); |
| 298 |
|
| 299 |
if ( $is_amp && $id ) { |
| 300 |
// Note that <amp-youtube> currently is not well suited for playlists that don't have an individual video selected, hence the $id check above. |
| 301 |
$placeholder = sprintf( |
| 302 |
'<a href="%1$s" placeholder><amp-img src="%2$s" alt="%3$s" layout="fill" object-fit="cover"><noscript><img src="%2$s" loading="lazy" decoding="async" alt="%3$s"></noscript></amp-img></a>', |
| 303 |
esc_url( add_query_arg( 'v', $id, 'https://www.youtube.com/watch' ) ), |
| 304 |
esc_url( "https://i.ytimg.com/vi/$id/hqdefault.jpg" ), |
| 305 |
esc_attr__( 'YouTube Poster', 'jetpack' ) // Would be preferable to provide YouTube video title, but not available in this non-oEmbed context. |
| 306 |
); |
| 307 |
|
| 308 |
$html_attributes = array(); |
| 309 |
foreach ( $params as $param_name => $param_value ) { |
| 310 |
$html_attributes[] = sprintf( |
| 311 |
'data-param-%s="%s"', |
| 312 |
sanitize_key( $param_name ), |
| 313 |
esc_attr( $param_value ) |
| 314 |
); |
| 315 |
} |
| 316 |
|
| 317 |
$html = sprintf( |
| 318 |
'<amp-youtube data-videoid="%s" %s width="%d" height="%d" layout="responsive">%s</amp-youtube>', |
| 319 |
esc_attr( $id ), |
| 320 |
implode( ' ', $html_attributes ), // Note: Escaping done above. |
| 321 |
esc_attr( $w ), |
| 322 |
esc_attr( $h ), |
| 323 |
$placeholder |
| 324 |
); |
| 325 |
} else { |
| 326 |
// In AMP, the AMP_Iframe_Sanitizer will convert into <amp-iframe> as required. |
| 327 |
$src = 'https://www.youtube.com/embed'; |
| 328 |
if ( $id ) { |
| 329 |
$src .= "/$id"; |
| 330 |
} |
| 331 |
$src = add_query_arg( |
| 332 |
array_merge( |
| 333 |
array( 'version' => 3 ), |
| 334 |
$params |
| 335 |
), |
| 336 |
$src |
| 337 |
); |
| 338 |
|
| 339 |
$layout = $is_amp ? 'layout="responsive" ' : ''; |
| 340 |
|
| 341 |
$html = sprintf( |
| 342 |
'<iframe class="youtube-player" width="%s" height="%s" %ssrc="%s" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation"></iframe>', |
| 343 |
esc_attr( $w ), |
| 344 |
esc_attr( $h ), |
| 345 |
$layout, |
| 346 |
esc_url( $src ) |
| 347 |
); |
| 348 |
} |
| 349 |
|
| 350 |
// Let's do some alignment wonder in a span, unless we're producing a feed. |
| 351 |
if ( ! is_feed() ) { |
| 352 |
$alignmentcss = 'text-align:center;'; |
| 353 |
if ( isset( $args['align'] ) ) { |
| 354 |
switch ( $args['align'] ) { |
| 355 |
case 'left': |
| 356 |
$alignmentcss = "float:left; width:{$w}px; height:{$h}px; margin-right:10px; margin-bottom: 10px;"; |
| 357 |
break; |
| 358 |
case 'right': |
| 359 |
$alignmentcss = "float:right; width:{$w}px; height:{$h}px; margin-left:10px; margin-bottom: 10px;"; |
| 360 |
break; |
| 361 |
} |
| 362 |
} |
| 363 |
|
| 364 |
$html = sprintf( |
| 365 |
'<span class="embed-youtube" style="%s display: block;">%s</span>', |
| 366 |
esc_attr( $alignmentcss ), |
| 367 |
$html |
| 368 |
); |
| 369 |
|
| 370 |
} |
| 371 |
|
| 372 |
/** |
| 373 |
* Filter the YouTube video HTML output. |
| 374 |
* |
| 375 |
* @module shortcodes |
| 376 |
* |
| 377 |
* @since 1.2.3 |
| 378 |
* |
| 379 |
* @param string $html YouTube video HTML output. |
| 380 |
*/ |
| 381 |
$html = apply_filters( 'video_embed_html', $html ); |
| 382 |
|
| 383 |
return $html; |
| 384 |
} |
| 385 |
|
| 386 |
/** |
| 387 |
* Gets the args present in the YouTube shortcode URL. |
| 388 |
* |
| 389 |
* @since 8.0.0 |
| 390 |
* |
| 391 |
* @param array $url The parsed URL of the shortcode. |
| 392 |
* |
| 393 |
* @return array|false The query args of the URL, or false. |
| 394 |
*/ |
| 395 |
function jetpack_shortcode_youtube_args( $url ) { |
| 396 |
$qargs = array(); |
| 397 |
if ( ! empty( $url['query'] ) ) { |
| 398 |
wp_parse_str( $url['query'], $qargs ); |
| 399 |
} else { |
| 400 |
return false; |
| 401 |
} |
| 402 |
|
| 403 |
$fargs = array(); |
| 404 |
if ( ! empty( $url['fragment'] ) ) { |
| 405 |
wp_parse_str( $url['fragment'], $fargs ); |
| 406 |
} |
| 407 |
|
| 408 |
return array_merge( $fargs, $qargs ); |
| 409 |
} |
| 410 |
|
| 411 |
/** |
| 412 |
* Display the Youtube shortcode. |
| 413 |
* |
| 414 |
* @param array $atts Shortcode attributes. |
| 415 |
* |
| 416 |
* @return string The rendered shortcode. |
| 417 |
*/ |
| 418 |
function youtube_shortcode( $atts ) { |
| 419 |
$url = ( isset( $atts[0] ) ) ? ltrim( $atts[0], '=' ) : shortcode_new_to_old_params( $atts ); |
| 420 |
return youtube_id( $url ); |
| 421 |
} |
| 422 |
add_shortcode( 'youtube', 'youtube_shortcode' ); |
| 423 |
|
| 424 |
/** |
| 425 |
* Renders the [youtube] shortcode as an AMP component. |
| 426 |
* |
| 427 |
* @since 8.0.0 |
| 428 |
* @deprecated Use youtube_id() instead. |
| 429 |
* |
| 430 |
* @param string $url The YouTube URL. |
| 431 |
* |
| 432 |
* @return string The AMP-compatible rendered shortcode. |
| 433 |
*/ |
| 434 |
function jetpack_amp_youtube_shortcode( $url ) { |
| 435 |
_deprecated_function( __FUNCTION__, 'jetpack-9.1.0', 'youtube_id' ); |
| 436 |
$video_id = jetpack_get_youtube_id( $url ); |
| 437 |
if ( empty( $video_id ) ) { |
| 438 |
return sprintf( |
| 439 |
'<a href="%1$s" class="amp-wp-embed-fallback">%1$s</a>', |
| 440 |
esc_url( $url ) |
| 441 |
); |
| 442 |
} |
| 443 |
|
| 444 |
$sanitized_url = youtube_sanitize_url( $url ); |
| 445 |
$parsed_url = wp_parse_url( $sanitized_url ); |
| 446 |
$args = jetpack_shortcode_youtube_args( $parsed_url ); |
| 447 |
list( $width, $height ) = jetpack_shortcode_youtube_dimensions( $args ); |
| 448 |
return sprintf( |
| 449 |
'<amp-youtube data-videoid="%s" layout="responsive" width="%d" height="%d"></amp-youtube>', |
| 450 |
esc_attr( $video_id ), |
| 451 |
absint( $width ), |
| 452 |
absint( $height ) |
| 453 |
); |
| 454 |
} |
| 455 |
|
| 456 |
/** |
| 457 |
* Gets the dimensions of the [youtube] shortcode. |
| 458 |
* |
| 459 |
* Calculates the width and height, taking $content_width into consideration. |
| 460 |
* |
| 461 |
* @since 8.0.0 |
| 462 |
* |
| 463 |
* @param array $query_args The query args of the URL. |
| 464 |
* |
| 465 |
* @return array The width and height of the shortcode. |
| 466 |
*/ |
| 467 |
function jetpack_shortcode_youtube_dimensions( $query_args ) { |
| 468 |
global $content_width; |
| 469 |
|
| 470 |
$input_w = ( isset( $query_args['w'] ) && (int) $query_args['w'] ) ? (int) $query_args['w'] : 0; |
| 471 |
$input_h = ( isset( $query_args['h'] ) && (int) $query_args['h'] ) ? (int) $query_args['h'] : 0; |
| 472 |
|
| 473 |
// If we have $content_width, use it. |
| 474 |
if ( ! empty( $content_width ) ) { |
| 475 |
$default_width = $content_width; |
| 476 |
} else { |
| 477 |
// Otherwise get default width from the old, now deprecated embed_size_w option. |
| 478 |
$default_width = get_option( 'embed_size_w' ); |
| 479 |
} |
| 480 |
|
| 481 |
// If we don't know those 2 values use a hardcoded width. |
| 482 |
if ( empty( $default_width ) ) { |
| 483 |
$default_width = 640; |
| 484 |
} |
| 485 |
|
| 486 |
if ( $input_w > 0 && $input_h > 0 ) { |
| 487 |
$w = $input_w; |
| 488 |
$h = $input_h; |
| 489 |
} elseif ( 0 === $input_w && 0 === $input_h ) { |
| 490 |
if ( isset( $query_args['fmt'] ) && (int) $query_args['fmt'] ) { |
| 491 |
$w = ( ! empty( $content_width ) ? min( $content_width, 480 ) : 480 ); |
| 492 |
} else { |
| 493 |
$w = ( ! empty( $content_width ) ? min( $content_width, $default_width ) : $default_width ); |
| 494 |
$h = ceil( ( $w / 16 ) * 9 ); |
| 495 |
} |
| 496 |
} elseif ( $input_w > 0 ) { |
| 497 |
$w = $input_w; |
| 498 |
$h = ceil( ( $w / 16 ) * 9 ); |
| 499 |
} else { |
| 500 |
if ( isset( $query_args['fmt'] ) && (int) $query_args['fmt'] ) { |
| 501 |
$w = ( ! empty( $content_width ) ? min( $content_width, 480 ) : 480 ); |
| 502 |
} else { |
| 503 |
$w = ( ! empty( $content_width ) ? min( $content_width, $default_width ) : $default_width ); |
| 504 |
$h = $input_h; |
| 505 |
} |
| 506 |
} |
| 507 |
|
| 508 |
/** |
| 509 |
* Filter the YouTube player width. |
| 510 |
* |
| 511 |
* @module shortcodes |
| 512 |
* |
| 513 |
* @since 1.1.0 |
| 514 |
* |
| 515 |
* @param int $w Width of the YouTube player in pixels. |
| 516 |
*/ |
| 517 |
$w = (int) apply_filters( 'youtube_width', $w ); |
| 518 |
|
| 519 |
/** |
| 520 |
* Filter the YouTube player height. |
| 521 |
* |
| 522 |
* @module shortcodes |
| 523 |
* |
| 524 |
* @since 1.1.0 |
| 525 |
* |
| 526 |
* @param int $h Height of the YouTube player in pixels. |
| 527 |
*/ |
| 528 |
$h = (int) apply_filters( 'youtube_height', $h ); |
| 529 |
|
| 530 |
return array( $w, $h ); |
| 531 |
} |
| 532 |
|
| 533 |
/** |
| 534 |
* For bare URLs on their own line of the form |
| 535 |
* http://www.youtube.com/v/9FhMMmqzbD8?fs=1&hl=en_US |
| 536 |
* |
| 537 |
* @param array $matches Regex partial matches against the URL passed. |
| 538 |
* @param array $attr Attributes received in embed response. |
| 539 |
* @param array $url Requested URL to be embedded. |
| 540 |
*/ |
| 541 |
function wpcom_youtube_embed_crazy_url( $matches, $attr, $url ) { |
| 542 |
return youtube_id( $url ); |
| 543 |
} |
| 544 |
|
| 545 |
/** |
| 546 |
* Add a new handler to automatically transform custom Youtube URLs (like playlists) into embeds. |
| 547 |
*/ |
| 548 |
function wpcom_youtube_embed_crazy_url_init() { |
| 549 |
wp_embed_register_handler( 'wpcom_youtube_embed_crazy_url', '#https?://(?:www\.)?(?:youtube.com/(?:v/|playlist|watch[/\#?])|youtu\.be/).*#i', 'wpcom_youtube_embed_crazy_url' ); |
| 550 |
} |
| 551 |
add_action( 'init', 'wpcom_youtube_embed_crazy_url_init' ); |
| 552 |
|
| 553 |
if ( |
| 554 |
! is_admin() |
| 555 |
/** |
| 556 |
* Allow oEmbeds in Jetpack's Comment form. |
| 557 |
* |
| 558 |
* @module shortcodes |
| 559 |
* |
| 560 |
* @since 2.8.0 |
| 561 |
* |
| 562 |
* @param int $allow_oembed Option to automatically embed all plain text URLs. |
| 563 |
*/ |
| 564 |
&& apply_filters( 'jetpack_comments_allow_oembed', true ) |
| 565 |
// No need for this on WordPress.com, this is done for multiple shortcodes at a time there. |
| 566 |
&& ( ! defined( 'IS_WPCOM' ) || ! IS_WPCOM ) |
| 567 |
) { |
| 568 |
/* |
| 569 |
* We attach wp_kses_post to comment_text in default-filters.php with priority of 10 anyway, |
| 570 |
* so the iframe gets filtered out. |
| 571 |
* Higher priority because we need it before auto-link and autop get to it. |
| 572 |
*/ |
| 573 |
add_filter( 'comment_text', 'youtube_link', 1 ); |
| 574 |
} |
| 575 |
|
| 576 |
/** |
| 577 |
* Core changes to do_shortcode (https://core.trac.wordpress.org/changeset/34747) broke "improper" shortcodes |
| 578 |
* with the format [shortcode=http://url.com]. |
| 579 |
* |
| 580 |
* This removes the "=" from the shortcode so it can be parsed. |
| 581 |
* |
| 582 |
* @see https://github.com/Automattic/jetpack/issues/3121 |
| 583 |
* |
| 584 |
* @param string $content HTML content. |
| 585 |
*/ |
| 586 |
function jetpack_fix_youtube_shortcode_display_filter( $content ) { |
| 587 |
if ( strpos( $content, '[youtube=' ) !== false ) { |
| 588 |
$content = preg_replace( '@\[youtube=(.*?)\]@', '[youtube $1]', $content ); |
| 589 |
} |
| 590 |
|
| 591 |
return $content; |
| 592 |
} |
| 593 |
add_filter( 'the_content', 'jetpack_fix_youtube_shortcode_display_filter', 7 ); |
| 594 |
|
