| 1 |
<?php |
| 2 |
/** |
| 3 |
* Inline (non-iframe) VideoPress player rendering. |
| 4 |
* |
| 5 |
* @package automattic/jetpack-videopress |
| 6 |
*/ |
| 7 |
|
| 8 |
namespace Automattic\Jetpack\VideoPress; |
| 9 |
|
| 10 |
/** |
| 11 |
* Renders VideoPress players in the page from one shared player script. |
| 12 |
* |
| 13 |
* Every `videopress.com/embed/` iframe downloads and runs its own copy of the |
| 14 |
* player, so a page pays for it once per video. In inline mode the player |
| 15 |
* bundle and stylesheet load once from v0.wordpress.com and a small boot |
| 16 |
* script mounts a player on each placeholder. |
| 17 |
*/ |
| 18 |
class Inline_Player { |
| 19 |
|
| 20 |
const PLAYER_SCRIPT_URL = 'https://v0.wordpress.com/js/videojs/videopress.js'; |
| 21 |
const PLAYER_STYLE_URL = 'https://v0.wordpress.com/js/videojs/videopress.css'; |
| 22 |
|
| 23 |
// The Jetpack plugin's legacy in-page embed used this handle; keep it so existing dequeue hooks still apply. |
| 24 |
const PLAYER_HANDLE = 'videopress-videojs'; |
| 25 |
const BOOT_HANDLE = 'videopress-inline-player'; |
| 26 |
|
| 27 |
const PLACEHOLDER_CLASS = 'jetpack-videopress-player__inline'; |
| 28 |
const FACADE_CLASS = 'jetpack-videopress-player__facade'; |
| 29 |
|
| 30 |
/** |
| 31 |
* How many placeholders this request has rendered; the first poster stays eager, later ones lazy-load. |
| 32 |
* |
| 33 |
* @var int |
| 34 |
*/ |
| 35 |
private static $rendered = 0; |
| 36 |
|
| 37 |
/** |
| 38 |
* Whether the boot script's config has been printed for this request. |
| 39 |
* |
| 40 |
* @var bool |
| 41 |
*/ |
| 42 |
private static $config_printed = false; |
| 43 |
|
| 44 |
/** |
| 45 |
* Whether embeds rendered by this site should mount an inline player instead of an iframe. |
| 46 |
* |
| 47 |
* @return bool |
| 48 |
*/ |
| 49 |
public static function is_enabled() { |
| 50 |
/** |
| 51 |
* Filter whether VideoPress videos are embedded with an iframe. |
| 52 |
* |
| 53 |
* Return false to render the player directly in the page from one shared |
| 54 |
* player script. Defaults to the inverse of the site's inline player setting. |
| 55 |
* |
| 56 |
* @module videopress |
| 57 |
* |
| 58 |
* @since 3.7.0 |
| 59 |
* |
| 60 |
* @param bool $use_iframe Whether to embed with an iframe. |
| 61 |
*/ |
| 62 |
return ! apply_filters( 'jetpack_videopress_player_use_iframe', ! Data::get_videopress_inline_player_enabled() ); |
| 63 |
} |
| 64 |
|
| 65 |
/** |
| 66 |
* Map block or shortcode attributes to player options. |
| 67 |
* |
| 68 |
* Accepts the video block's attribute names (`autoplay`, `preload`, ...); |
| 69 |
* anything missing falls back to the player's defaults. |
| 70 |
* |
| 71 |
* @param array $attributes Attributes to map. |
| 72 |
* @return array Player options, ready to pass to `videopress()`. |
| 73 |
*/ |
| 74 |
public static function get_player_options( array $attributes = array() ) { |
| 75 |
$attributes = wp_parse_args( |
| 76 |
$attributes, |
| 77 |
array( |
| 78 |
'autoplay' => false, |
| 79 |
'controls' => true, |
| 80 |
'loop' => false, |
| 81 |
'muted' => false, |
| 82 |
'playsinline' => false, |
| 83 |
'poster' => '', |
| 84 |
'preload' => 'metadata', |
| 85 |
'seekbarColor' => '', |
| 86 |
'seekbarPlayedColor' => '', |
| 87 |
'seekbarLoadingColor' => '', |
| 88 |
'useAverageColor' => true, |
| 89 |
'cover' => true, |
| 90 |
'hd' => false, |
| 91 |
'at' => 0, |
| 92 |
'defaultLangCode' => '', |
| 93 |
) |
| 94 |
); |
| 95 |
|
| 96 |
$preload = is_string( $attributes['preload'] ) ? strtolower( $attributes['preload'] ) : 'metadata'; |
| 97 |
if ( ! in_array( $preload, array( 'auto', 'metadata', 'none' ), true ) ) { |
| 98 |
$preload = 'metadata'; |
| 99 |
} |
| 100 |
// The site-wide opt-out wins over the embed's own preload attribute. |
| 101 |
if ( Data::get_videopress_player_preload_disabled() ) { |
| 102 |
$preload = 'none'; |
| 103 |
} |
| 104 |
|
| 105 |
$options = array( |
| 106 |
'autoPlay' => self::to_bool( $attributes['autoplay'] ), |
| 107 |
'controls' => self::to_bool( $attributes['controls'] ), |
| 108 |
'loop' => self::to_bool( $attributes['loop'] ), |
| 109 |
'muted' => self::to_bool( $attributes['muted'] ), |
| 110 |
'persistVolume' => ! self::to_bool( $attributes['muted'] ), |
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'playsinline' => self::to_bool( $attributes['playsinline'] ), |
| 112 |
'cover' => self::to_bool( $attributes['cover'] ), |
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'hd' => self::to_bool( $attributes['hd'] ), |
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'useAverageColor' => self::to_bool( $attributes['useAverageColor'] ), |
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'preloadContent' => $preload, |
| 116 |
// Embed pages default to the current player skin; match them. |
| 117 |
'chrome' => 'v2', |
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); |
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|
| 120 |
if ( (int) $attributes['at'] > 0 ) { |
| 121 |
$options['at'] = (int) $attributes['at']; |
| 122 |
} |
| 123 |
|
| 124 |
if ( ! empty( $attributes['poster'] ) && is_string( $attributes['poster'] ) ) { |
| 125 |
$options['poster'] = esc_url_raw( $attributes['poster'] ); |
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} |
| 127 |
|
| 128 |
if ( ! empty( $attributes['defaultLangCode'] ) && is_string( $attributes['defaultLangCode'] ) ) { |
| 129 |
$options['defaultLangCode'] = $attributes['defaultLangCode']; |
| 130 |
} |
| 131 |
|
| 132 |
$colors = array( |
| 133 |
'seekbarColor' => 'seekbarColor', |
| 134 |
'seekbarPlayedColor' => 'seekbarPlayedColor', |
| 135 |
'seekbarLoadingColor' => 'seekbarLoadedColor', |
| 136 |
); |
| 137 |
foreach ( $colors as $attribute => $option ) { |
| 138 |
if ( ! empty( $attributes[ $attribute ] ) && is_string( $attributes[ $attribute ] ) ) { |
| 139 |
$options[ $option ] = $attributes[ $attribute ]; |
| 140 |
} |
| 141 |
} |
| 142 |
|
| 143 |
/** |
| 144 |
* Filter the options passed to an inline VideoPress player. |
| 145 |
* |
| 146 |
* @since 0.50.2 |
| 147 |
* |
| 148 |
* @param array $options Player options. |
| 149 |
* @param array $attributes The block or shortcode attributes they were built from. |
| 150 |
*/ |
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return apply_filters( 'jetpack_videopress_inline_player_options', $options, $attributes ); |
| 152 |
} |
| 153 |
|
| 154 |
/** |
| 155 |
* Read the player attributes an embed URL carries in its query string. |
| 156 |
* |
| 157 |
* Used to render inline players for videopress.com URLs that reach the |
| 158 |
* page through oEmbed. Only parameters present in the URL are returned. |
| 159 |
* |
| 160 |
* @param string $url A videopress.com/v or /embed URL. |
| 161 |
* @return array Attributes in the shape `get_player_options()` accepts. |
| 162 |
*/ |
| 163 |
public static function get_attributes_from_embed_url( $url ) { |
| 164 |
$query = wp_parse_url( $url, PHP_URL_QUERY ); |
| 165 |
if ( ! is_string( $query ) || '' === $query ) { |
| 166 |
return array(); |
| 167 |
} |
| 168 |
|
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$params = array(); |
| 170 |
parse_str( html_entity_decode( $query, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 ), $params ); |
| 171 |
|
| 172 |
$booleans = array( |
| 173 |
'autoPlay' => 'autoplay', |
| 174 |
'autoplay' => 'autoplay', |
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'controls' => 'controls', |
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'loop' => 'loop', |
| 177 |
'muted' => 'muted', |
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'playsinline' => 'playsinline', |
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'useAverageColor' => 'useAverageColor', |
| 180 |
'cover' => 'cover', |
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'hd' => 'hd', |
| 182 |
); |
| 183 |
$strings = array( |
| 184 |
'posterUrl' => 'poster', |
| 185 |
'preloadContent' => 'preload', |
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'sbc' => 'seekbarColor', |
| 187 |
'sbpc' => 'seekbarPlayedColor', |
| 188 |
'sblc' => 'seekbarLoadingColor', |
| 189 |
'defaultLangCode' => 'defaultLangCode', |
| 190 |
); |
| 191 |
|
| 192 |
$attributes = array(); |
| 193 |
foreach ( $booleans as $param => $attribute ) { |
| 194 |
if ( isset( $params[ $param ] ) && is_string( $params[ $param ] ) ) { |
| 195 |
$attributes[ $attribute ] = self::to_bool( $params[ $param ] ); |
| 196 |
} |
| 197 |
} |
| 198 |
foreach ( $strings as $param => $attribute ) { |
| 199 |
if ( ! empty( $params[ $param ] ) && is_string( $params[ $param ] ) ) { |
| 200 |
$attributes[ $attribute ] = $params[ $param ]; |
| 201 |
} |
| 202 |
} |
| 203 |
if ( isset( $params['at'] ) && (int) $params['at'] > 0 ) { |
| 204 |
$attributes['at'] = (int) $params['at']; |
| 205 |
} |
| 206 |
|
| 207 |
return $attributes; |
| 208 |
} |
| 209 |
|
| 210 |
/** |
| 211 |
* Versioned URLs of the player bundle and its stylesheet, for anything that loads the player itself. |
| 212 |
* |
| 213 |
* @return array{script: string, style: string} |
| 214 |
*/ |
| 215 |
public static function get_asset_config() { |
| 216 |
return array( |
| 217 |
'script' => add_query_arg( 'ver', Package_Version::PACKAGE_VERSION, self::PLAYER_SCRIPT_URL ), |
| 218 |
'style' => add_query_arg( 'ver', Package_Version::PACKAGE_VERSION, self::PLAYER_STYLE_URL ), |
| 219 |
); |
| 220 |
} |
| 221 |
|
| 222 |
/** |
| 223 |
* Enqueue the boot script and, unless every player on the page sits behind a facade, the shared player assets. |
| 224 |
* |
| 225 |
* The boot script never depends on the player handle: behind a facade it fetches the |
| 226 |
* bundle itself on the first click, from the URLs printed in its config. |
| 227 |
* |
| 228 |
* @param bool $defer_player True to leave the player bundle for the boot script to load on demand. |
| 229 |
*/ |
| 230 |
public static function enqueue_assets( $defer_player = false ) { |
| 231 |
wp_enqueue_script( |
| 232 |
self::BOOT_HANDLE, |
| 233 |
plugins_url( '../build/lib/inline-player.js', __FILE__ ), |
| 234 |
array(), |
| 235 |
Package_Version::PACKAGE_VERSION, |
| 236 |
true |
| 237 |
); |
| 238 |
|
| 239 |
if ( ! self::$config_printed ) { |
| 240 |
self::$config_printed = true; |
| 241 |
wp_add_inline_script( |
| 242 |
self::BOOT_HANDLE, |
| 243 |
'window.jetpackVideoPressInlinePlayer = ' . wp_json_encode( self::get_asset_config(), JSON_UNESCAPED_SLASHES ) . ';', |
| 244 |
'before' |
| 245 |
); |
| 246 |
} |
| 247 |
|
| 248 |
if ( ! $defer_player ) { |
| 249 |
wp_enqueue_style( self::PLAYER_HANDLE, self::PLAYER_STYLE_URL, array(), Package_Version::PACKAGE_VERSION ); |
| 250 |
wp_enqueue_script( self::PLAYER_HANDLE, self::PLAYER_SCRIPT_URL, array(), Package_Version::PACKAGE_VERSION, true ); |
| 251 |
} |
| 252 |
|
| 253 |
// Private videos ask the page for a playback token, same as iframes do. |
| 254 |
Jwt_Token_Bridge::enqueue_jwt_token_bridge(); |
| 255 |
} |
| 256 |
|
| 257 |
/** |
| 258 |
* Whether a placeholder should start as a poster facade instead of a mounted player. |
| 259 |
* |
| 260 |
* Autoplaying videos need the player at once; everything else can wait for a click. |
| 261 |
* |
| 262 |
* @param array $options Player options, see `get_player_options()`. |
| 263 |
* @return bool |
| 264 |
*/ |
| 265 |
public static function should_use_facade( array $options = array() ) { |
| 266 |
$use_facade = empty( $options['autoPlay'] ); |
| 267 |
|
| 268 |
/** |
| 269 |
* Filter whether inline VideoPress players start as a poster facade and load the player on click. |
| 270 |
* |
| 271 |
* @since 0.51.0 |
| 272 |
* |
| 273 |
* @param bool $use_facade Whether to render the facade. |
| 274 |
* @param array $options The player options for this video. |
| 275 |
*/ |
| 276 |
return (bool) apply_filters( 'jetpack_videopress_inline_player_facade', $use_facade, $options ); |
| 277 |
} |
| 278 |
|
| 279 |
/** |
| 280 |
* Resolve the poster to show in a facade, without ever exposing a private video's frame. |
| 281 |
* |
| 282 |
* Order: the block's own poster attribute, the attachment's VideoPress metadata |
| 283 |
* ( by `id`, else by GUID ), then the transient-cached video details lookup. |
| 284 |
* |
| 285 |
* @param string $guid Video GUID. |
| 286 |
* @param array $attributes Block or shortcode attributes ( `poster`, `id`, `isPrivate`, `privacySetting` ). |
| 287 |
* @return string|null Poster URL, or null when none is usable. |
| 288 |
*/ |
| 289 |
public static function get_poster_url( $guid, array $attributes = array() ) { |
| 290 |
$poster = null; |
| 291 |
|
| 292 |
if ( ! empty( $attributes['poster'] ) && is_string( $attributes['poster'] ) ) { |
| 293 |
$poster = esc_url_raw( $attributes['poster'] ); |
| 294 |
} elseif ( ! self::is_private( $attributes ) ) { |
| 295 |
$poster = self::get_poster_from_attachment( $guid, $attributes['id'] ?? 0 ); |
| 296 |
|
| 297 |
if ( null === $poster && function_exists( 'videopress_get_video_details' ) ) { |
| 298 |
$details = videopress_get_video_details( $guid ); |
| 299 |
if ( is_object( $details ) && empty( $details->is_private ) && ! empty( $details->poster ) && is_string( $details->poster ) ) { |
| 300 |
$poster = esc_url_raw( $details->poster ); |
| 301 |
} |
| 302 |
} |
| 303 |
} |
| 304 |
|
| 305 |
/** |
| 306 |
* Filter the poster shown by an inline VideoPress player's facade. |
| 307 |
* |
| 308 |
* @since 0.51.0 |
| 309 |
* |
| 310 |
* @param string|null $poster Poster URL, or null for a plain dark facade. |
| 311 |
* @param string $guid Video GUID. |
| 312 |
* @param array $attributes The block or shortcode attributes. |
| 313 |
*/ |
| 314 |
$poster = apply_filters( 'jetpack_videopress_inline_player_poster', $poster, $guid, $attributes ); |
| 315 |
|
| 316 |
return is_string( $poster ) && '' !== $poster ? $poster : null; |
| 317 |
} |
| 318 |
|
| 319 |
/** |
| 320 |
* Whether the attributes describe a private video, treating "site default" as the site's own setting. |
| 321 |
* |
| 322 |
* @param array $attributes Block attributes. |
| 323 |
* @return bool |
| 324 |
*/ |
| 325 |
private static function is_private( array $attributes ) { |
| 326 |
if ( ! empty( $attributes['isPrivate'] ) ) { |
| 327 |
return true; |
| 328 |
} |
| 329 |
|
| 330 |
// A privacy setting of one is private and two follows the site default; anything else is public. |
| 331 |
$privacy = isset( $attributes['privacySetting'] ) ? (int) $attributes['privacySetting'] : 2; |
| 332 |
if ( 1 === $privacy ) { |
| 333 |
return true; |
| 334 |
} |
| 335 |
|
| 336 |
return 2 === $privacy && Data::get_videopress_videos_private_for_site(); |
| 337 |
} |
| 338 |
|
| 339 |
/** |
| 340 |
* Poster from the local attachment's VideoPress metadata, when the attachment belongs to this GUID. |
| 341 |
* |
| 342 |
* @param string $guid Video GUID. |
| 343 |
* @param int $attachment_id Attachment ID from the block, 0 to look the post up by GUID. |
| 344 |
* @return string|null |
| 345 |
*/ |
| 346 |
private static function get_poster_from_attachment( $guid, $attachment_id = 0 ) { |
| 347 |
$attachment_id = (int) $attachment_id; |
| 348 |
|
| 349 |
if ( $attachment_id <= 0 && function_exists( 'videopress_get_post_by_guid' ) ) { |
| 350 |
$post = videopress_get_post_by_guid( $guid ); |
| 351 |
$attachment_id = ( $post instanceof \WP_Post ) ? $post->ID : 0; |
| 352 |
} |
| 353 |
|
| 354 |
if ( $attachment_id <= 0 ) { |
| 355 |
return null; |
| 356 |
} |
| 357 |
|
| 358 |
$meta = wp_get_attachment_metadata( $attachment_id ); |
| 359 |
$videopress = is_array( $meta ) && isset( $meta['videopress'] ) && is_array( $meta['videopress'] ) ? $meta['videopress'] : array(); |
| 360 |
$poster = $videopress['poster'] ?? ''; |
| 361 |
$meta_guid = $videopress['guid'] ?? ''; |
| 362 |
|
| 363 |
if ( ! is_string( $poster ) || '' === $poster ) { |
| 364 |
return null; |
| 365 |
} |
| 366 |
|
| 367 |
// A block can point at another video than its attachment does; trust the GUID. |
| 368 |
if ( is_string( $meta_guid ) && '' !== $meta_guid && $meta_guid !== $guid ) { |
| 369 |
return null; |
| 370 |
} |
| 371 |
|
| 372 |
return esc_url_raw( $poster ); |
| 373 |
} |
| 374 |
|
| 375 |
/** |
| 376 |
* Stylesheet for the facade, printed inline so no extra request stands between the HTML and the poster. |
| 377 |
* |
| 378 |
* @return string CSS. |
| 379 |
*/ |
| 380 |
private static function facade_css() { |
| 381 |
$f = '.' . self::FACADE_CLASS; |
| 382 |
return '.' . self::PLACEHOLDER_CLASS . '.is-facade{background:#000}' |
| 383 |
. $f . '{position:absolute;inset:0;width:100%;height:100%;margin:0;padding:0;border:0;background:transparent;cursor:pointer;display:block;line-height:0}' |
| 384 |
. $f . '-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}' |
| 385 |
. $f . '-play{position:absolute;top:50%;left:50%;width:72px;height:72px;transform:translate(-50%,-50%);border-radius:50%;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;transition:background .2s ease}' |
| 386 |
. $f . ':hover ' . $f . '-play,' . $f . ':focus-visible ' . $f . '-play{background:rgba(0,0,0,.85)}' |
| 387 |
. $f . '-play svg{width:32px;height:32px;fill:#fff;margin-inline-start:4px}' |
| 388 |
. $f . ':focus-visible{outline:2px solid #fff;outline-offset:-4px}' |
| 389 |
. $f . '.is-loading ' . $f . '-play{opacity:.5}'; |
| 390 |
} |
| 391 |
|
| 392 |
/** |
| 393 |
* Render the placeholder the boot script mounts a player on. |
| 394 |
* |
| 395 |
* @param string $guid Video GUID. |
| 396 |
* @param array $options Player options, see `get_player_options()`. |
| 397 |
* @param float|null $ratio Height as a percentage of width (the block's `videoRatio`); 16:9 when unknown. |
| 398 |
* @param array $args Optional `poster` ( URL ), `title` ( for the play button's label ) and `facade` ( bool, default `should_use_facade()` ). |
| 399 |
* @return string Placeholder markup, or an empty string for an invalid GUID. |
| 400 |
*/ |
| 401 |
public static function render( $guid, array $options = array(), $ratio = null, array $args = array() ) { |
| 402 |
if ( ! is_string( $guid ) || ! ctype_alnum( $guid ) ) { |
| 403 |
return ''; |
| 404 |
} |
| 405 |
|
| 406 |
$facade = isset( $args['facade'] ) ? (bool) $args['facade'] : self::should_use_facade( $options ); |
| 407 |
|
| 408 |
self::enqueue_assets( $facade ); |
| 409 |
|
| 410 |
$ratio = is_numeric( $ratio ) && (float) $ratio > 0 ? (float) $ratio : 56.25; |
| 411 |
$style = sprintf( |
| 412 |
'position:relative;width:100%%;aspect-ratio:100 / %s;', |
| 413 |
rtrim( rtrim( number_format( $ratio, 4, '.', '' ), '0' ), '.' ) |
| 414 |
); |
| 415 |
|
| 416 |
$inner = ''; |
| 417 |
if ( $facade ) { |
| 418 |
wp_register_style( self::BOOT_HANDLE, false, array(), Package_Version::PACKAGE_VERSION ); |
| 419 |
wp_enqueue_style( self::BOOT_HANDLE ); |
| 420 |
if ( 0 === self::$rendered ) { |
| 421 |
wp_add_inline_style( self::BOOT_HANDLE, self::facade_css() ); |
| 422 |
} |
| 423 |
|
| 424 |
$title = isset( $args['title'] ) && is_string( $args['title'] ) ? trim( $args['title'] ) : ''; |
| 425 |
$label = '' !== $title |
| 426 |
/* translators: %s is the video title */ |
| 427 |
? sprintf( __( 'Play video: %s', 'jetpack-videopress-pkg' ), $title ) |
| 428 |
: __( 'Play video', 'jetpack-videopress-pkg' ); |
| 429 |
|
| 430 |
$poster = ''; |
| 431 |
if ( ! empty( $args['poster'] ) && is_string( $args['poster'] ) ) { |
| 432 |
// The first poster on the page is a likely LCP candidate; later ones can wait for the viewport. |
| 433 |
$poster = sprintf( |
| 434 |
'<img class="%1$s-poster" src="%2$s" alt="" decoding="async"%3$s>', |
| 435 |
esc_attr( self::FACADE_CLASS ), |
| 436 |
esc_url( $args['poster'] ), |
| 437 |
self::$rendered > 0 ? ' loading="lazy"' : ' fetchpriority="high"' |
| 438 |
); |
| 439 |
} |
| 440 |
|
| 441 |
$inner = sprintf( |
| 442 |
'<button type="button" class="%1$s" aria-label="%2$s">%3$s<span class="%1$s-play" aria-hidden="true"><svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M8 5v14l11-7z"/></svg></span></button>', |
| 443 |
esc_attr( self::FACADE_CLASS ), |
| 444 |
esc_attr( $label ), |
| 445 |
$poster |
| 446 |
); |
| 447 |
} |
| 448 |
|
| 449 |
++self::$rendered; |
| 450 |
|
| 451 |
return sprintf( |
| 452 |
'<div class="%1$s%5$s" data-videopress-guid="%2$s" data-videopress-options="%3$s"%6$s style="%4$s">%7$s</div>', |
| 453 |
esc_attr( self::PLACEHOLDER_CLASS ), |
| 454 |
esc_attr( $guid ), |
| 455 |
esc_attr( wp_json_encode( (object) $options, JSON_UNESCAPED_SLASHES ) ), |
| 456 |
esc_attr( $style ), |
| 457 |
$facade ? ' is-facade' : '', |
| 458 |
$facade ? ' data-videopress-facade="1"' : '', |
| 459 |
$inner |
| 460 |
); |
| 461 |
} |
| 462 |
|
| 463 |
/** |
| 464 |
* Forget per-request state ( tests ). |
| 465 |
*/ |
| 466 |
public static function reset() { |
| 467 |
self::$rendered = 0; |
| 468 |
self::$config_printed = false; |
| 469 |
} |
| 470 |
|
| 471 |
/** |
| 472 |
* Interpret the boolean spellings that reach us from attributes and query strings. |
| 473 |
* |
| 474 |
* @param mixed $value Raw value. |
| 475 |
* @return bool |
| 476 |
*/ |
| 477 |
private static function to_bool( $value ) { |
| 478 |
if ( is_string( $value ) ) { |
| 479 |
return ! in_array( strtolower( $value ), array( '', '0', 'false', 'no', 'off' ), true ); |
| 480 |
} |
| 481 |
return (bool) $value; |
| 482 |
} |
| 483 |
} |
| 484 |
|
