/**

public $providers = array();

/**

public static $early_providers = array();

/**

private $compat_methods = array( '_fetch_with_format', '_parse_json', '_parse_xml', '_parse_xml_body' );

/**

public function __construct() {

$host = urlencode( home_url() );

$providers = array(

'#https?://((m|www)\.)?youtube\.com/watch.*#i' => array( 'https://www.youtube.com/oembed', true ),

'#https?://((m|www)\.)?youtube\.com/playlist.*#i' => array( 'https://www.youtube.com/oembed', true ),

'#https?://((m|www)\.)?youtube\.com/shorts/*#i' => array( 'https://www.youtube.com/oembed', true ),

'#https?://((m|www)\.)?youtube\.com/live/*#i' => array( 'https://www.youtube.com/oembed', true ),

'#https?://youtu\.be/.*#i' => array( 'https://www.youtube.com/oembed', true ),

'#https?://(.+\.)?vimeo\.com/.*#i' => array( 'https://vimeo.com/api/oembed.{format}', true ),

'#https?://(www\.)?dailymotion\.com/.*#i' => array( 'https://www.dailymotion.com/services/oembed', true ),

'#https?://dai\.ly/.*#i' => array( 'https://www.dailymotion.com/services/oembed', true ),

'#https?://(www\.)?flickr\.com/.*#i' => array( 'https://www.flickr.com/services/oembed/', true ),

'#https?://flic\.kr/.*#i' => array( 'https://www.flickr.com/services/oembed/', true ),

'#https?://(.+\.)?smugmug\.com/.*#i' => array( 'https://api.smugmug.com/services/oembed/', true ),

'#https?://(www\.)?scribd\.com/(doc|document)/.*#i' => array( 'https://www.scribd.com/services/oembed', true ),

'#https?://wordpress\.tv/.*#i' => array( 'https://wordpress.tv/oembed/', true ),

'#https?://(.+\.)?crowdsignal\.net/.*#i' => array( 'https://api.crowdsignal.com/oembed', true ),

'#https?://(.+\.)?polldaddy\.com/.*#i' => array( 'https://api.crowdsignal.com/oembed', true ),

'#https?://poll\.fm/.*#i' => array( 'https://api.crowdsignal.com/oembed', true ),

'#https?://(.+\.)?survey\.fm/.*#i' => array( 'https://api.crowdsignal.com/oembed', true ),

'#https?://(www\.)?twitter\.com/\w{1,15}/status(es)?/.*#i' => array( 'https://publish.twitter.com/oembed', true ),

'#https?://(www\.)?twitter\.com/\w{1,15}$#i' => array( 'https://publish.twitter.com/oembed', true ),

'#https?://(www\.)?twitter\.com/\w{1,15}/likes$#i' => array( 'https://publish.twitter.com/oembed', true ),

'#https?://(www\.)?twitter\.com/\w{1,15}/lists/.*#i' => array( 'https://publish.twitter.com/oembed', true ),

'#https?://(www\.)?twitter\.com/\w{1,15}/timelines/.*#i' => array( 'https://publish.twitter.com/oembed', true ),

'#https?://(www\.)?twitter\.com/i/moments/.*#i' => array( 'https://publish.twitter.com/oembed', true ),

'#https?://(www\.)?soundcloud\.com/.*#i' => array( 'https://soundcloud.com/oembed', true ),

'#https?://(open|play)\.spotify\.com/.*#i' => array( 'https://embed.spotify.com/oembed/', true ),

'#https?://(.+\.)?imgur\.com/.*#i' => array( 'https://api.imgur.com/oembed', true ),

'#https?://(www\.)?issuu\.com/.+/docs/.+#i' => array( 'https://issuu.com/oembed_wp', true ),

'#https?://(www\.)?mixcloud\.com/.*#i' => array( 'https://app.mixcloud.com/oembed/', true ),

'#https?://(www\.|embed\.)?ted\.com/talks/.*#i' => array( 'https://www.ted.com/services/v1/oembed.{format}', true ),

'#https?://(www\.)?(animoto|video214)\.com/play/.*#i' => array( 'https://animoto.com/oembeds/create', true ),

'#https?://(.+)\.tumblr\.com/.*#i' => array( 'https://www.tumblr.com/oembed/1.0', true ),

'#https?://(www\.)?kickstarter\.com/projects/.*#i' => array( 'https://www.kickstarter.com/services/oembed', true ),

'#https?://kck\.st/.*#i' => array( 'https://www.kickstarter.com/services/oembed', true ),

'#https?://cloudup\.com/.*#i' => array( 'https://cloudup.com/oembed', true ),

'#https?://(www\.)?reverbnation\.com/.*#i' => array( 'https://www.reverbnation.com/oembed', true ),

'#https?://videopress\.com/v/.*#' => array( 'https://public-api.wordpress.com/oembed/?for=' . $host, true ),

'#https?://(www\.)?reddit\.com/r/[^/]+/comments/.*#i' => array( 'https://www.reddit.com/oembed', true ),

'#https?://(www\.)?speakerdeck\.com/.*#i' => array( 'https://speakerdeck.com/oembed.{format}', true ),

'#https?://([a-z0-9-]+\.)?amazon\.(com|com\.mx|com\.br|ca)/.*#i' => array( 'https://read.amazon.com/kp/api/oembed', true ),

'#https?://([a-z0-9-]+\.)?amazon\.(co\.uk|de|fr|it|es|in|nl|ru)/.*#i' => array( 'https://read.amazon.co.uk/kp/api/oembed', true ),

'#https?://([a-z0-9-]+\.)?amazon\.(co\.jp|com\.au)/.*#i' => array( 'https://read.amazon.com.au/kp/api/oembed', true ),

'#https?://([a-z0-9-]+\.)?amazon\.cn/.*#i' => array( 'https://read.amazon.cn/kp/api/oembed', true ),

'#https?://(www\.)?a\.co/.*#i' => array( 'https://read.amazon.com/kp/api/oembed', true ),

'#https?://(www\.)?amzn\.to/.*#i' => array( 'https://read.amazon.com/kp/api/oembed', true ),

'#https?://(www\.)?amzn\.eu/.*#i' => array( 'https://read.amazon.co.uk/kp/api/oembed', true ),

'#https?://(www\.)?amzn\.in/.*#i' => array( 'https://read.amazon.in/kp/api/oembed', true ),

'#https?://(www\.)?amzn\.asia/.*#i' => array( 'https://read.amazon.com.au/kp/api/oembed', true ),

'#https?://(www\.)?z\.cn/.*#i' => array( 'https://read.amazon.cn/kp/api/oembed', true ),

'#https?://www\.someecards\.com/.+-cards/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ),

'#https?://www\.someecards\.com/usercards/viewcard/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ),

'#https?://some\.ly\/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ),

'#https?://(www\.)?tiktok\.com/.*/video/.*#i' => array( 'https://www.tiktok.com/oembed', true ),

'#https?://(www\.)?tiktok\.com/@.*#i' => array( 'https://www.tiktok.com/oembed', true ),

'#https?://([a-z]{2}|www)\.pinterest\.com(\.(au|mx))?/.*#i' => array( 'https://www.pinterest.com/oembed.json', true ),

'#https?://(www\.)?wolframcloud\.com/obj/.+#i' => array( 'https://www.wolframcloud.com/oembed', true ),

'#https?://pca\.st/.+#i' => array( 'https://pca.st/oembed.json', true ),

'#https?://((play|www)\.)?anghami\.com/.*#i' => array( 'https://api.anghami.com/rest/v1/oembed.view', true ),

'#https?://bsky.app/profile/.*/post/.*#i' => array( 'https://embed.bsky.app/oembed', true ),

'#https?://(www\.)?canva\.com/design/.*/view.*#i' => array( 'https://canva.com/_oembed', true ),

);

if ( ! empty( self::$early_providers['add'] ) ) {

foreach ( self::$early_providers['add'] as $format => $data ) {

$providers[ $format ] = $data;

}

}

if ( ! empty( self::$early_providers['remove'] ) ) {

foreach ( self::$early_providers['remove'] as $format ) {

unset( $providers[ $format ] );

}

}

self::$early_providers = array();

/**

$this->providers = apply_filters( 'oembed_providers', $providers );

// Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop().

add_filter( 'oembed_dataparse', array( $this, '_strip_newlines' ), 10, 3 );

}

/**

public function __call( $name, $arguments ) {

if ( in_array( $name, $this->compat_methods, true ) ) {

return $this->$name( ...$arguments );

}

return false;

}

/**

public function get_provider( $url, $args = '' ) {

$args = wp_parse_args( $args );

$provider = false;

if ( ! isset( $args['discover'] ) ) {

$args['discover'] = true;

}

foreach ( $this->providers as $matchmask => $data ) {

list( $providerurl, $regex ) = $data;

// Turn the asterisk-type provider URLs into regex.

if ( ! $regex ) {

$matchmask = '#' . str_replace( '___wildcard___', '(.+)', preg_quote( str_replace( '*', '___wildcard___', $matchmask ), '#' ) ) . '#i';

$matchmask = preg_replace( '|^#http\\\://|', '#https?\://', $matchmask );

}

if ( preg_match( $matchmask, $url ) ) {

$provider = str_replace( '{format}', 'json', $providerurl ); // JSON is easier to deal with than XML.

break;

}

}

if ( ! $provider && $args['discover'] ) {

$provider = $this->discover( $url );

}

return $provider;

}

/**

public static function _add_provider_early( $format, $provider, $regex = false ) {

if ( empty( self::$early_providers['add'] ) ) {

self::$early_providers['add'] = array();

}

self::$early_providers['add'][ $format ] = array( $provider, $regex );

}

/**

public static function _remove_provider_early( $format ) {

if ( empty( self::$early_providers['remove'] ) ) {

self::$early_providers['remove'] = array();

}

self::$early_providers['remove'][] = $format;

}

/**

public function get_data( $url, $args = '' ) {

$args = wp_parse_args( $args );

$provider = $this->get_provider( $url, $args );

if ( ! $provider ) {

return false;

}

$data = $this->fetch( $provider, $url, $args );

if ( false === $data ) {

return false;

}

return $data;

}

/**

public function get_html( $url, $args = '' ) {

/**

$pre = apply_filters( 'pre_oembed_result', null, $url, $args );

if ( null !== $pre ) {

return $pre;

}

$data = $this->get_data( $url, $args );

if ( false === $data ) {

return false;

}

/**

return apply_filters( 'oembed_result', $this->data2html( $data, $url ), $url, $args );

}

/**

public function discover( $url ) {

$providers = array();

$args = array(

'limit_response_size' => 153600, // 150 KB

);

/**

$args = apply_filters( 'oembed_remote_get_args', $args, $url );

// Fetch URL content.

$request = wp_safe_remote_get( $url, $args );

$html = wp_remote_retrieve_body( $request );

if ( $html ) {

/**

$linktypes = apply_filters(

'oembed_linktypes',

array(

'application/json+oembed' => 'json',

'text/xml+oembed' => 'xml',

'application/xml+oembed' => 'xml',

)

);

// Strip <body>.

$html_head_end = stripos( $html, '</head>' );

if ( $html_head_end ) {

$html = substr( $html, 0, $html_head_end );

}

// Do a quick check.

$tagfound = false;

foreach ( $linktypes as $linktype => $format ) {

if ( stripos( $html, $linktype ) ) {

$tagfound = true;

break;

}

}

if ( $tagfound && preg_match_all( '#<link([^<>]+)/?>#iU', $html, $links ) ) {

foreach ( $links[1] as $link ) {

$atts = shortcode_parse_atts( $link );

if ( ! empty( $atts['type'] ) && ! empty( $linktypes[ $atts['type'] ] ) && ! empty( $atts['href'] ) ) {

$providers[ $linktypes[ $atts['type'] ] ] = htmlspecialchars_decode( $atts['href'] );

// Stop here if it's JSON (that's all we need).

if ( 'json' === $linktypes[ $atts['type'] ] ) {

break;

}

}

}

}

}

// JSON is preferred to XML.

if ( ! empty( $providers['json'] ) ) {

return $providers['json'];

} elseif ( ! empty( $providers['xml'] ) ) {

return $providers['xml'];

} else {

return false;

}

}

/**

public function fetch( $provider, $url, $args = '' ) {

$args = wp_parse_args( $args, wp_embed_defaults( $url ) );

$provider = add_query_arg( 'maxwidth', (int) $args['width'], $provider );

$provider = add_query_arg( 'maxheight', (int) $args['height'], $provider );

$provider = add_query_arg( 'url', urlencode( $url ), $provider );

$provider = add_query_arg( 'dnt', 1, $provider );

/**

$provider = apply_filters( 'oembed_fetch_url', $provider, $url, $args );

foreach ( array( 'json', 'xml' ) as $format ) {

$result = $this->_fetch_with_format( $provider, $format );

if ( is_wp_error( $result ) && 'not-implemented' === $result->get_error_code() ) {

continue;

}

return ( $result && ! is_wp_error( $result ) ) ? $result : false;

}

return false;

}

/**

private function _fetch_with_format( $provider_url_with_args, $format ) {

$provider_url_with_args = add_query_arg( 'format', $format, $provider_url_with_args );

/** This filter is documented in wp-includes/class-wp-oembed.php */

$args = apply_filters( 'oembed_remote_get_args', array(), $provider_url_with_args );

$response = wp_safe_remote_get( $provider_url_with_args, $args );

if ( 501 === wp_remote_retrieve_response_code( $response ) ) {

return new WP_Error( 'not-implemented' );

}

$body = wp_remote_retrieve_body( $response );

if ( ! $body ) {

return false;

}

$parse_method = "_parse_$format";

return $this->$parse_method( $body );

}

/**

private function _parse_json( $response_body ) {

$data = json_decode( trim( $response_body ) );

return ( $data && is_object( $data ) ) ? $data : false;

}

/**

private function _parse_xml( $response_body ) {

if ( ! function_exists( 'libxml_disable_entity_loader' ) ) {

return false;

}

if ( PHP_VERSION_ID < 80000 ) {

/*

$loader = libxml_disable_entity_loader( true );

}

$errors = libxml_use_internal_errors( true );

$return = $this->_parse_xml_body( $response_body );

libxml_use_internal_errors( $errors );

if ( PHP_VERSION_ID < 80000 && isset( $loader ) ) {

// phpcs:ignore PHPCompatibility.FunctionUse.RemovedFunctions.libxml_disable_entity_loaderDeprecated

libxml_disable_entity_loader( $loader );

}

return $return;

}

/**

private function _parse_xml_body( $response_body ) {

if ( ! function_exists( 'simplexml_import_dom' ) || ! class_exists( 'DOMDocument', false ) ) {

return false;

}

$dom = new DOMDocument();

$success = $dom->loadXML( $response_body );

if ( ! $success ) {

return false;

}

if ( isset( $dom->doctype ) ) {

return false;

}

foreach ( $dom->childNodes as $child ) {

if ( XML_DOCUMENT_TYPE_NODE === $child->nodeType ) {

return false;

}

}

$xml = simplexml_import_dom( $dom );

if ( ! $xml ) {

return false;

}

$return = new stdClass();

foreach ( $xml as $key => $value ) {

$return->$key = (string) $value;

}

return $return;

}

/**

public function data2html( $data, $url ) {

if ( ! is_object( $data ) || empty( $data->type ) ) {

return false;

}

$return = false;

switch ( $data->type ) {

case 'photo':

if ( empty( $data->url ) || empty( $data->width ) || empty( $data->height ) ) {

break;

}

if ( ! is_string( $data->url ) || ! is_numeric( $data->width ) || ! is_numeric( $data->height ) ) {

break;

}

$title = ! empty( $data->title ) && is_string( $data->title ) ? $data->title : '';

$return = '<a href="' . esc_url( $url ) . '"><img src="' . esc_url( $data->url ) . '" alt="' . esc_attr( $title ) . '" width="' . esc_attr( $data->width ) . '" height="' . esc_attr( $data->height ) . '" /></a>';

break;

case 'video':

case 'rich':

if ( ! empty( $data->html ) && is_string( $data->html ) ) {

$return = $data->html;

}

break;

case 'link':

if ( ! empty( $data->title ) && is_string( $data->title ) ) {

$return = '<a href="' . esc_url( $url ) . '">' . esc_html( $data->title ) . '</a>';

}

break;

default:

$return = false;

}

/**

return apply_filters( 'oembed_dataparse', $return, $data, $url );

}

/**

public function _strip_newlines( $html, $data, $url ) {

if ( ! str_contains( $html, "\n" ) ) {

return $html;

}

$count = 1;

$found = array();

$token = '__PRE__';

$search = array( "\t", "\n", "\r", ' ' );

$replace = array( '__TAB__', '__NL__', '__CR__', '__SPACE__' );

$tokenized = str_replace( $search, $replace, $html );

preg_match_all( '#(<pre[^>]*>.+?</pre>)#i', $tokenized, $matches, PREG_SET_ORDER );

foreach ( $matches as $i => $match ) {

$tag_html = str_replace( $replace, $search, $match[0] );

$tag_token = $token . $i;

$found[ $tag_token ] = $tag_html;

$html = str_replace( $tag_html, $tag_token, $html, $count );

}

$replaced = str_replace( $replace, $search, $html );

$stripped = str_replace( array( "\r\n", "\n" ), '', $replaced );

$pre = array_values( $found );

$tokens = array_keys( $found );

return str_replace( $tokens, $pre, $stripped );

}