FM / wp-includes

/var/www/vhosts/ihelp.ro/ajutam.ro/wp-includes/

/var/www/vhosts/ihelp.ro/ajutam.ro/wp-includes

Name	Size	Mode	Actions
abilities-api/	-	0755	rm
assets/	-	0755	rm
block-bindings/	-	0755	rm
block-patterns/	-	0755	rm
block-supports/	-	0755	rm
blocks/	-	0755	rm
certificates/	-	0755	rm
css/	-	0755	rm
customize/	-	0755	rm
fonts/	-	0755	rm
html-api/	-	0755	rm
ID3/	-	0755	rm
images/	-	0755	rm
interactivity-api/	-	0755	rm
IXR/	-	0755	rm
js/	-	0755	rm
l10n/	-	0755	rm
php-compat/	-	0755	rm
PHPMailer/	-	0755	rm
pomo/	-	0755	rm
Requests/	-	0755	rm
rest-api/	-	0755	rm
SimplePie/	-	0755	rm
sitemaps/	-	0755	rm
sodium_compat/	-	0755	rm
style-engine/	-	0755	rm
Text/	-	0755	rm
theme-compat/	-	0755	rm
widgets/	-	0755	rm
abilities-api.php	24369	0644	edit dl rm
abilities.php	7983	0644	edit dl rm
admin-bar.php	36966	0644	edit dl rm
atomlib.php	12181	0644	edit dl rm
author-template.php	19391	0644	edit dl rm
block-bindings.php	7526	0644	edit dl rm
block-editor.php	29282	0644	edit dl rm
block-i18n.json	316	0644	edit dl rm
block-patterns.php	13213	0644	edit dl rm
block-template-utils.php	62484	0644	edit dl rm
block-template.php	15359	0644	edit dl rm
blocks.php	114739	0644	edit dl rm
bookmark-template.php	12768	0644	edit dl rm
bookmark.php	15427	0644	edit dl rm
cache-compat.php	10078	0644	edit dl rm
cache.php	13486	0644	edit dl rm
canonical.php	34628	0644	edit dl rm
capabilities.php	43652	0644	edit dl rm
category-template.php	57045	0644	edit dl rm
category.php	12829	0644	edit dl rm
class-avif-info.php	29615	0644	edit dl rm
class-feed.php	539	0644	edit dl rm
class-http.php	367	0644	edit dl rm
class-IXR.php	2616	0644	edit dl rm
class-json.php	43676	0644	edit dl rm
class-oembed.php	401	0644	edit dl rm
class-phpass.php	6771	0644	edit dl rm
class-phpmailer.php	664	0644	edit dl rm
class-pop3.php	21121	0644	edit dl rm
class-requests.php	2237	0644	edit dl rm
class-simplepie.php	453	0644	edit dl rm
class-smtp.php	457	0644	edit dl rm
class-snoopy.php	37715	0644	edit dl rm
class-walker-category-dropdown.php	2469	0644	edit dl rm
class-walker-category.php	8477	0644	edit dl rm
class-walker-comment.php	14221	0644	edit dl rm
class-walker-nav-menu.php	12044	0644	edit dl rm
class-walker-page-dropdown.php	2710	0644	edit dl rm
class-walker-page.php	7612	0644	edit dl rm
class-wp-admin-bar.php	17874	0644	edit dl rm
class-wp-ajax-response.php	5266	0644	edit dl rm
class-wp-application-passwords.php	17099	0644	edit dl rm
class-wp-block-bindings-registry.php	8482	0644	edit dl rm
class-wp-block-bindings-source.php	2992	0644	edit dl rm
class-wp-block-editor-context.php	1350	0644	edit dl rm
class-wp-block-list.php	4713	0644	edit dl rm
class-wp-block-metadata-registry.php	11895	0644	edit dl rm
class-wp-block-parser-block.php	2555	0644	edit dl rm
class-wp-block-parser-frame.php	2017	0644	edit dl rm
class-wp-block-parser.php	11516	0644	edit dl rm
class-wp-block-pattern-categories-registry.php	5450	0644	edit dl rm
class-wp-block-patterns-registry.php	11253	0644	edit dl rm
class-wp-block-processor.php	69959	0644	edit dl rm
class-wp-block-styles-registry.php	6497	0644	edit dl rm
class-wp-block-supports.php	5626	0644	edit dl rm
class-wp-block-template.php	2033	0644	edit dl rm
class-wp-block-templates-registry.php	7193	0644	edit dl rm
class-wp-block-type-registry.php	5030	0644	edit dl rm
class-wp-block-type.php	17265	0644	edit dl rm
class-wp-block.php	24812	0644	edit dl rm
class-wp-classic-to-block-menu-converter.php	4070	0644	edit dl rm
class-wp-comment-query.php	48804	0644	edit dl rm
class-wp-comment.php	9437	0644	edit dl rm
class-wp-customize-control.php	26119	0644	edit dl rm
class-wp-customize-manager.php	203139	0644	edit dl rm
class-wp-customize-nav-menus.php	58013	0644	edit dl rm
class-wp-customize-panel.php	10710	0644	edit dl rm
class-wp-customize-section.php	11209	0644	edit dl rm
class-wp-customize-setting.php	29962	0644	edit dl rm
class-wp-customize-widgets.php	72607	0644	edit dl rm
class-wp-date-query.php	36147	0644	edit dl rm
class-wp-dependencies.php	17004	0644	edit dl rm
class-wp-dependency.php	2633	0644	edit dl rm
class-wp-duotone.php	40783	0644	edit dl rm
class-wp-editor.php	72335	0644	edit dl rm
class-wp-embed.php	15931	0644	edit dl rm
class-wp-error.php	7502	0644	edit dl rm
class-wp-exception.php	253	0644	edit dl rm
class-wp-fatal-error-handler.php	8150	0644	edit dl rm
class-wp-feed-cache-transient.php	3304	0644	edit dl rm
class-wp-feed-cache.php	969	0644	edit dl rm
class-wp-hook.php	16674	0644	edit dl rm
class-wp-http-cookie.php	7389	0644	edit dl rm
class-wp-http-curl.php	13261	0644	edit dl rm
class-wp-http-encoding.php	6689	0644	edit dl rm
class-wp-http-ixr-client.php	3506	0644	edit dl rm
class-wp-http-proxy.php	5980	0644	edit dl rm
class-wp-http-requests-hooks.php	2022	0644	edit dl rm
class-wp-http-requests-response.php	4400	0644	edit dl rm
class-wp-http-response.php	2977	0644	edit dl rm
class-wp-http-streams.php	16859	0644	edit dl rm
class-wp-http.php	41570	0644	edit dl rm
class-wp-image-editor-gd.php	20705	0644	edit dl rm
class-wp-image-editor-imagick.php	43415	0644	edit dl rm
class-wp-image-editor.php	17415	0644	edit dl rm
class-wp-list-util.php	7443	0644	edit dl rm
class-wp-locale-switcher.php	6776	0644	edit dl rm
class-wp-locale.php	16883	0644	edit dl rm
class-wp-matchesmapregex.php	1828	0644	edit dl rm
class-wp-meta-query.php	30533	0644	edit dl rm
class-wp-metadata-lazyloader.php	6833	0644	edit dl rm
class-wp-navigation-fallback.php	9193	0644	edit dl rm
class-wp-network-query.php	19887	0644	edit dl rm
class-wp-network.php	12296	0644	edit dl rm
class-wp-object-cache.php	17524	0644	edit dl rm
class-wp-oembed-controller.php	6905	0644	edit dl rm
class-wp-oembed.php	31670	0644	edit dl rm
class-wp-paused-extensions-storage.php	5111	0644	edit dl rm
class-wp-phpmailer.php	4348	0644	edit dl rm
class-wp-plugin-dependencies.php	25315	0644	edit dl rm
class-wp-post-type.php	30680	0644	edit dl rm
class-wp-post.php	6491	0644	edit dl rm
class-wp-query.php	163975	0644	edit dl rm
class-wp-recovery-mode-cookie-service.php	6877	0644	edit dl rm
class-wp-recovery-mode-email-service.php	11183	0644	edit dl rm
class-wp-recovery-mode-key-service.php	4884	0644	edit dl rm
class-wp-recovery-mode-link-service.php	3463	0644	edit dl rm
class-wp-recovery-mode.php	11453	0644	edit dl rm
class-wp-rewrite.php	63687	0644	edit dl rm
class-wp-role.php	2523	0644	edit dl rm
class-wp-roles.php	9394	0644	edit dl rm
class-wp-script-modules.php	32951	0644	edit dl rm
class-wp-scripts.php	34864	0644	edit dl rm
class-wp-session-tokens.php	7319	0644	edit dl rm
class-wp-simplepie-file.php	3552	0644	edit dl rm
class-wp-simplepie-sanitize-kses.php	1910	0644	edit dl rm
class-wp-site-query.php	31655	0644	edit dl rm
class-wp-site.php	7467	0644	edit dl rm
class-wp-speculation-rules.php	7527	0644	edit dl rm
class-wp-styles.php	12843	0644	edit dl rm
class-wp-tax-query.php	19577	0644	edit dl rm
class-wp-taxonomy.php	18559	0644	edit dl rm
class-wp-term-query.php	40953	0644	edit dl rm
class-wp-term.php	5298	0644	edit dl rm
class-wp-text-diff-renderer-inline.php	979	0644	edit dl rm
class-wp-text-diff-renderer-table.php	18880	0644	edit dl rm
class-wp-textdomain-registry.php	10481	0644	edit dl rm
class-wp-theme-json-data.php	1809	0644	edit dl rm
class-wp-theme-json-resolver.php	35738	0644	edit dl rm
class-wp-theme-json-schema.php	7367	0644	edit dl rm
class-wp-theme-json.php	164347	0644	edit dl rm
class-wp-theme.php	65810	0644	edit dl rm
class-wp-token-map.php	28618	0644	edit dl rm
class-wp-url-pattern-prefixer.php	4802	0644	edit dl rm
class-wp-user-meta-session-tokens.php	3011	0644	edit dl rm
class-wp-user-query.php	44166	0644	edit dl rm
class-wp-user-request.php	2305	0644	edit dl rm
class-wp-user.php	23044	0644	edit dl rm
class-wp-walker.php	13322	0644	edit dl rm
class-wp-widget-factory.php	3347	0644	edit dl rm
class-wp-widget.php	18429	0644	edit dl rm
class-wp-xmlrpc-server.php	215447	0644	edit dl rm
class-wp.php	26481	0644	edit dl rm
class-wpdb.php	118627	0644	edit dl rm
class.wp-dependencies.php	373	0644	edit dl rm
class.wp-scripts.php	343	0644	edit dl rm
class.wp-styles.php	338	0644	edit dl rm
comment-template.php	103145	0644	edit dl rm
comment.php	134069	0644	edit dl rm
compat-utf8.php	19554	0644	edit dl rm
compat.php	17830	0644	edit dl rm
cron.php	42988	0644	edit dl rm
date.php	400	0644	edit dl rm
default-constants.php	11365	0644	edit dl rm
default-filters.php	37910	0644	edit dl rm
default-widgets.php	2295	0644	edit dl rm
deprecated.php	192644	0644	edit dl rm
embed-template.php	338	0644	edit dl rm
embed.php	38911	0644	edit dl rm
error-protection.php	4121	0644	edit dl rm
feed-atom-comments.php	5504	0644	edit dl rm
feed-atom.php	3121	0644	edit dl rm
feed-rdf.php	2668	0644	edit dl rm
feed-rss.php	1189	0644	edit dl rm
feed-rss2-comments.php	4136	0644	edit dl rm
feed-rss2.php	3799	0644	edit dl rm
feed.php	25189	0644	edit dl rm
fonts.php	9790	0644	edit dl rm
formatting.php	354741	0644	edit dl rm
functions.php	288600	0644	edit dl rm
functions.wp-scripts.php	15311	0644	edit dl rm
functions.wp-styles.php	8641	0644	edit dl rm
general-template.php	173004	0644	edit dl rm
global-styles-and-settings.php	21204	0644	edit dl rm
http.php	27650	0644	edit dl rm
https-detection.php	5857	0644	edit dl rm
https-migration.php	4741	0644	edit dl rm
kses.php	83849	0644	edit dl rm
l10n.php	68797	0644	edit dl rm
link-template.php	160117	0644	edit dl rm
load.php	56510	0644	edit dl rm
locale.php	162	0644	edit dl rm
media-template.php	63197	0644	edit dl rm
media.php	221247	0644	edit dl rm
meta.php	66556	0644	edit dl rm
ms-blogs.php	25845	0644	edit dl rm
ms-default-constants.php	4921	0644	edit dl rm
ms-default-filters.php	6636	0644	edit dl rm
ms-deprecated.php	21759	0644	edit dl rm
ms-files.php	2857	0644	edit dl rm
ms-functions.php	91842	0644	edit dl rm
ms-load.php	19887	0644	edit dl rm
ms-network.php	3782	0644	edit dl rm
ms-settings.php	4204	0644	edit dl rm
ms-site.php	41717	0644	edit dl rm
nav-menu-template.php	25990	0644	edit dl rm
nav-menu.php	44347	0644	edit dl rm
option.php	105035	0644	edit dl rm
pluggable-deprecated.php	6324	0644	edit dl rm
pluggable.php	127457	0644	edit dl rm
plugin.php	36501	0644	edit dl rm
post-formats.php	7102	0644	edit dl rm
post-template.php	68648	0644	edit dl rm
post-thumbnail-template.php	10879	0644	edit dl rm
post.php	296072	0644	edit dl rm
query.php	37095	0644	edit dl rm
registration-functions.php	200	0644	edit dl rm
registration.php	200	0644	edit dl rm
rest-api.php	100984	0644	edit dl rm
revision.php	30741	0644	edit dl rm
rewrite.php	19490	0644	edit dl rm
robots-template.php	5185	0644	edit dl rm
rss-functions.php	255	0644	edit dl rm
rss.php	23203	0644	edit dl rm
script-loader.php	158344	0644	edit dl rm
script-modules.php	9911	0644	edit dl rm
session.php	258	0644	edit dl rm
shortcodes.php	24050	0644	edit dl rm
sitemaps.php	3238	0644	edit dl rm
speculative-loading.php	8600	0644	edit dl rm
spl-autoload-compat.php	441	0644	edit dl rm
style-engine.php	7563	0644	edit dl rm
taxonomy.php	177058	0644	edit dl rm
template-canvas.php	544	0644	edit dl rm
template-loader.php	4267	0644	edit dl rm
template.php	36834	0644	edit dl rm
theme-i18n.json	1730	0644	edit dl rm
theme-previews.php	2910	0644	edit dl rm
theme-templates.php	6238	0644	edit dl rm
theme.json	8921	0644	edit dl rm
theme.php	135008	0644	edit dl rm
update.php	38353	0644	edit dl rm
user.php	178710	0644	edit dl rm
utf8.php	7260	0644	edit dl rm
vars.php	6562	0644	edit dl rm
version.php	1106	0644	edit dl rm
widgets.php	71129	0644	edit dl rm
wp-db.php	445	0644	edit dl rm
wp-diff.php	799	0644	edit dl rm

Edit: /var/www/vhosts/ihelp.ro/ajutam.ro/wp-includes/class-wp-embed.php (15931B)

<?php
/**
 * API for easily embedding rich media such as videos and images into content.
 *
 * @package WordPress
 * @subpackage Embed
 * @since 2.9.0
 */
#[AllowDynamicProperties]
class WP_Embed {
	public $handlers = array();
	public $post_ID;
	public $usecache      = true;
	public $linkifunknown = true;
	public $last_attr     = array();
	public $last_url      = '';

/**
	 * When a URL cannot be embedded, return false instead of returning a link
	 * or the URL.
	 *
	 * Bypasses the {@see 'embed_maybe_make_link'} filter.
	 *
	 * @var bool
	 */
	public $return_false_on_fail = false;

/**
	 * Constructor
	 */
	public function __construct() {
		// Hack to get the [embed] shortcode to run before wpautop().
		add_filter( 'the_content', array( $this, 'run_shortcode' ), 8 );
		add_filter( 'widget_text_content', array( $this, 'run_shortcode' ), 8 );
		add_filter( 'widget_block_content', array( $this, 'run_shortcode' ), 8 );

// Shortcode placeholder for strip_shortcodes().
		add_shortcode( 'embed', '__return_false' );

// Attempts to embed all URLs in a post.
		add_filter( 'the_content', array( $this, 'autoembed' ), 8 );
		add_filter( 'widget_text_content', array( $this, 'autoembed' ), 8 );
		add_filter( 'widget_block_content', array( $this, 'autoembed' ), 8 );

// After a post is saved, cache oEmbed items via Ajax.
		add_action( 'edit_form_advanced', array( $this, 'maybe_run_ajax_cache' ) );
		add_action( 'edit_page_form', array( $this, 'maybe_run_ajax_cache' ) );
	}

/**
	 * Processes the [embed] shortcode.
	 *
	 * Since the [embed] shortcode needs to be run earlier than other shortcodes,
	 * this function removes all existing shortcodes, registers the [embed] shortcode,
	 * calls do_shortcode(), and then re-registers the old shortcodes.
	 *
	 * @global array $shortcode_tags
	 *
	 * @param string $content Content to parse.
	 * @return string Content with shortcode parsed.
	 */
	public function run_shortcode( $content ) {
		global $shortcode_tags;

// Back up current registered shortcodes and clear them all out.
		$orig_shortcode_tags = $shortcode_tags;
		remove_all_shortcodes();

add_shortcode( 'embed', array( $this, 'shortcode' ) );

// Do the shortcode (only the [embed] one is registered).
		$content = do_shortcode( $content, true );

// Put the original shortcodes back.
		$shortcode_tags = $orig_shortcode_tags;

return $content;
	}

/**
	 * If a post/page was saved, then output JavaScript to make
	 * an Ajax request that will call WP_Embed::cache_oembed().
	 */
	public function maybe_run_ajax_cache() {
		$post = get_post();

if ( ! $post || empty( $_GET['message'] ) ) {
			return;
		}
		?>
<script type="text/javascript">
	jQuery( function($) {
		$.get("<?php echo esc_url( admin_url( 'admin-ajax.php', 'relative' ) ) . '?action=oembed-cache&post=' . $post->ID; ?>");
	} );
</script>
		<?php
	}

/**
	 * Registers an embed handler.
	 *
	 * Do not use this function directly, use wp_embed_register_handler() instead.
	 *
	 * This function should probably also only be used for sites that do not support oEmbed.
	 *
	 * @param string   $id       An internal ID/name for the handler. Needs to be unique.
	 * @param string   $regex    The regex that will be used to see if this handler should be used for a URL.
	 * @param callable $callback The callback function that will be called if the regex is matched.
	 * @param int      $priority Optional. Used to specify the order in which the registered handlers will be tested.
	 *                           Lower numbers correspond with earlier testing, and handlers with the same priority are
	 *                           tested in the order in which they were added to the action. Default 10.
	 */
	public function register_handler( $id, $regex, $callback, $priority = 10 ) {
		$this->handlers[ $priority ][ $id ] = array(
			'regex'    => $regex,
			'callback' => $callback,
		);
	}

/**
	 * Unregisters a previously-registered embed handler.
	 *
	 * Do not use this function directly, use wp_embed_unregister_handler() instead.
	 *
	 * @param string $id       The handler ID that should be removed.
	 * @param int    $priority Optional. The priority of the handler to be removed (default: 10).
	 */
	public function unregister_handler( $id, $priority = 10 ) {
		unset( $this->handlers[ $priority ][ $id ] );
	}

/**
	 * Returns embed HTML for a given URL from embed handlers.
	 *
	 * Attempts to convert a URL into embed HTML by checking the URL
	 * against the regex of the registered embed handlers.
	 *
	 * @since 5.5.0
	 *
	 * @param array  $attr {
	 *     Shortcode attributes. Optional.
	 *
	 *     @type int $width  Width of the embed in pixels.
	 *     @type int $height Height of the embed in pixels.
	 * }
	 * @param string $url The URL attempting to be embedded.
	 * @return string|false The embed HTML on success, false otherwise.
	 */
	public function get_embed_handler_html( $attr, $url ) {
		$rawattr = $attr;
		$attr    = wp_parse_args( $attr, wp_embed_defaults( $url ) );

ksort( $this->handlers );
		foreach ( $this->handlers as $priority => $handlers ) {
			foreach ( $handlers as $id => $handler ) {
				if ( preg_match( $handler['regex'], $url, $matches ) && is_callable( $handler['callback'] ) ) {
					$return = call_user_func( $handler['callback'], $matches, $attr, $url, $rawattr );
					if ( false !== $return ) {
						/**
						 * Filters the returned embed HTML.
						 *
						 * @since 2.9.0
						 *
						 * @see WP_Embed::shortcode()
						 *
						 * @param string $return The HTML result of the shortcode.
						 * @param string $url    The embed URL.
						 * @param array  $attr   An array of shortcode attributes.
						 */
						return apply_filters( 'embed_handler_html', $return, $url, $attr );
					}
				}
			}
		}

return false;
	}

/**
	 * The do_shortcode() callback function.
	 *
	 * Attempts to convert a URL into embed HTML. Starts by checking the URL against the regex of
	 * the registered embed handlers. If none of the regex matches and it's enabled, then the URL
	 * will be given to the WP_oEmbed class.
	 *
	 * @param array  $attr {
	 *     Shortcode attributes. Optional.
	 *
	 *     @type int $width  Width of the embed in pixels.
	 *     @type int $height Height of the embed in pixels.
	 * }
	 * @param string $url The URL attempting to be embedded.
	 * @return string|false The embed HTML on success, otherwise the original URL.
	 *                      `->maybe_make_link()` can return false on failure.
	 */
	public function shortcode( $attr, $url = '' ) {
		$post = get_post();

if ( empty( $url ) && ! empty( $attr['src'] ) ) {
			$url = $attr['src'];
		}

$this->last_url = $url;

if ( empty( $url ) ) {
			$this->last_attr = $attr;
			return '';
		}

$rawattr = $attr;
		$attr    = wp_parse_args( $attr, wp_embed_defaults( $url ) );

$this->last_attr = $attr;

/*
		 * KSES converts & into &amp; and we need to undo this.
		 * See https://core.trac.wordpress.org/ticket/11311
		 */
		$url = str_replace( '&amp;', '&', $url );

// Look for known internal handlers.
		$embed_handler_html = $this->get_embed_handler_html( $rawattr, $url );
		if ( false !== $embed_handler_html ) {
			return $embed_handler_html;
		}

$post_id = ( ! empty( $post->ID ) ) ? $post->ID : null;

// Potentially set by WP_Embed::cache_oembed().
		if ( ! empty( $this->post_ID ) ) {
			$post_id = $this->post_ID;
		}

// Check for a cached result (stored as custom post or in the post meta).
		$key_suffix    = md5( $url . serialize( $attr ) );
		$cachekey      = '_oembed_' . $key_suffix;
		$cachekey_time = '_oembed_time_' . $key_suffix;

/**
		 * Filters the oEmbed TTL value (time to live).
		 *
		 * @since 4.0.0
		 *
		 * @param int    $time    Time to live (in seconds).
		 * @param string $url     The attempted embed URL.
		 * @param array  $attr    An array of shortcode attributes.
		 * @param int    $post_id Post ID.
		 */
		$ttl = apply_filters( 'oembed_ttl', DAY_IN_SECONDS, $url, $attr, $post_id );

$cache      = '';
		$cache_time = 0;

$cached_post_id = $this->find_oembed_post_id( $key_suffix );

if ( $post_id ) {
			$cache      = get_post_meta( $post_id, $cachekey, true );
			$cache_time = get_post_meta( $post_id, $cachekey_time, true );

if ( ! $cache_time ) {
				$cache_time = 0;
			}
		} elseif ( $cached_post_id ) {
			$cached_post = get_post( $cached_post_id );

$cache      = $cached_post->post_content;
			$cache_time = strtotime( $cached_post->post_modified_gmt );
		}

$cached_recently = ( time() - $cache_time ) < $ttl;

if ( $this->usecache || $cached_recently ) {
			// Failures are cached. Serve one if we're using the cache.
			if ( '{{unknown}}' === $cache ) {
				return $this->maybe_make_link( $url );
			}

if ( ! empty( $cache ) ) {
				/**
				 * Filters the cached oEmbed HTML.
				 *
				 * @since 2.9.0
				 *
				 * @see WP_Embed::shortcode()
				 *
				 * @param string $cache   The cached HTML result, stored in post meta.
				 * @param string $url     The attempted embed URL.
				 * @param array  $attr    An array of shortcode attributes.
				 * @param int    $post_id Post ID.
				 */
				return apply_filters( 'embed_oembed_html', $cache, $url, $attr, $post_id );
			}
		}

/**
		 * Filters whether to inspect the given URL for discoverable link tags.
		 *
		 * @since 2.9.0
		 * @since 4.4.0 The default value changed to true.
		 *
		 * @see WP_oEmbed::discover()
		 *
		 * @param bool $enable Whether to enable `<link>` tag discovery. Default true.
		 */
		$attr['discover'] = apply_filters( 'embed_oembed_discover', true );

// Use oEmbed to get the HTML.
		$html = wp_oembed_get( $url, $attr );

if ( $post_id ) {
			if ( $html ) {
				update_post_meta( $post_id, $cachekey, $html );
				update_post_meta( $post_id, $cachekey_time, time() );
			} elseif ( ! $cache ) {
				update_post_meta( $post_id, $cachekey, '{{unknown}}' );
			}
		} else {
			$has_kses = false !== has_filter( 'content_save_pre', 'wp_filter_post_kses' );

if ( $has_kses ) {
				// Prevent KSES from corrupting JSON in post_content.
				kses_remove_filters();
			}

$insert_post_args = array(
				'post_name'   => $key_suffix,
				'post_status' => 'publish',
				'post_type'   => 'oembed_cache',
			);

if ( $html ) {
				if ( $cached_post_id ) {
					wp_update_post(
						wp_slash(
							array(
								'ID'           => $cached_post_id,
								'post_content' => $html,
							)
						)
					);
				} else {
					wp_insert_post(
						wp_slash(
							array_merge(
								$insert_post_args,
								array(
									'post_content' => $html,
								)
							)
						)
					);
				}
			} elseif ( ! $cache ) {
				wp_insert_post(
					wp_slash(
						array_merge(
							$insert_post_args,
							array(
								'post_content' => '{{unknown}}',
							)
						)
					)
				);
			}

if ( $has_kses ) {
				kses_init_filters();
			}
		}

// If there was a result, return it.
		if ( $html ) {
			/** This filter is documented in wp-includes/class-wp-embed.php */
			return apply_filters( 'embed_oembed_html', $html, $url, $attr, $post_id );
		}

// Still unknown.
		return $this->maybe_make_link( $url );
	}

/**
	 * Deletes all oEmbed caches. Unused by core as of 4.0.0.
	 *
	 * @param int $post_id Post ID to delete the caches for.
	 */
	public function delete_oembed_caches( $post_id ) {
		$post_metas = get_post_custom_keys( $post_id );
		if ( empty( $post_metas ) ) {
			return;
		}

foreach ( $post_metas as $post_meta_key ) {
			if ( str_starts_with( $post_meta_key, '_oembed_' ) ) {
				delete_post_meta( $post_id, $post_meta_key );
			}
		}
	}

/**
	 * Triggers a caching of all oEmbed results.
	 *
	 * @param int $post_id Post ID to do the caching for.
	 */
	public function cache_oembed( $post_id ) {
		$post = get_post( $post_id );

$post_types = get_post_types( array( 'show_ui' => true ) );

/**
		 * Filters the array of post types to cache oEmbed results for.
		 *
		 * @since 2.9.0
		 *
		 * @param string[] $post_types Array of post type names to cache oEmbed results for. Defaults to post types with `show_ui` set to true.
		 */
		$cache_oembed_types = apply_filters( 'embed_cache_oembed_types', $post_types );

if ( empty( $post->ID ) || ! in_array( $post->post_type, $cache_oembed_types, true ) ) {
			return;
		}

// Trigger a caching.
		if ( ! empty( $post->post_content ) ) {
			$this->post_ID  = $post->ID;
			$this->usecache = false;

$content = $this->run_shortcode( $post->post_content );
			$this->autoembed( $content );

$this->usecache = true;
		}
	}

/**
	 * Passes any unlinked URLs that are on their own line to WP_Embed::shortcode() for potential embedding.
	 *
	 * @see WP_Embed::autoembed_callback()
	 *
	 * @param string $content The content to be searched.
	 * @return string Potentially modified $content.
	 */
	public function autoembed( $content ) {
		// Replace line breaks from all HTML elements with placeholders.
		$content = wp_replace_in_html_tags( $content, array( "\n" => '' ) );

if ( preg_match( '#(^|\s|>)https?://#i', $content ) ) {
			// Find URLs on their own line.
			$content = preg_replace_callback( '|^(\s*)(https?://[^\s<>"]+)(\s*)$|im', array( $this, 'autoembed_callback' ), $content );
			// Find URLs in their own paragraph.
			$content = preg_replace_callback( '|(<p(?: [^>]*)?>\s*)(https?://[^\s<>"]+)(\s*<\/p>)|i', array( $this, 'autoembed_callback' ), $content );
		}

// Put the line breaks back.
		return str_replace( '', "\n", $content );
	}

/**
	 * Callback function for WP_Embed::autoembed().
	 *
	 * @param array $matches A regex match array.
	 * @return string The embed HTML on success, otherwise the original URL.
	 */
	public function autoembed_callback( $matches ) {
		$oldval              = $this->linkifunknown;
		$this->linkifunknown = false;
		$return              = $this->shortcode( array(), $matches[2] );
		$this->linkifunknown = $oldval;

return $matches[1] . $return . $matches[3];
	}

/**
	 * Conditionally makes a hyperlink based on an internal class variable.
	 *
	 * @param string $url URL to potentially be linked.
	 * @return string|false Linked URL or the original URL. False if 'return_false_on_fail' is true.
	 */
	public function maybe_make_link( $url ) {
		if ( $this->return_false_on_fail ) {
			return false;
		}

$output = ( $this->linkifunknown ) ? '<a href="' . esc_url( $url ) . '">' . esc_html( $url ) . '</a>' : $url;

/**
		 * Filters the returned, maybe-linked embed URL.
		 *
		 * @since 2.9.0
		 *
		 * @param string $output The linked or original URL.
		 * @param string $url    The original URL.
		 */
		return apply_filters( 'embed_maybe_make_link', $output, $url );
	}

/**
	 * Finds the oEmbed cache post ID for a given cache key.
	 *
	 * @since 4.9.0
	 *
	 * @param string $cache_key oEmbed cache key.
	 * @return int|null Post ID on success, null on failure.
	 */
	public function find_oembed_post_id( $cache_key ) {
		$cache_group    = 'oembed_cache_post';
		$oembed_post_id = wp_cache_get( $cache_key, $cache_group );

if ( $oembed_post_id && 'oembed_cache' === get_post_type( $oembed_post_id ) ) {
			return $oembed_post_id;
		}

$oembed_post_query = new WP_Query(
			array(
				'post_type'              => 'oembed_cache',
				'post_status'            => 'publish',
				'name'                   => $cache_key,
				'posts_per_page'         => 1,
				'no_found_rows'          => true,
				'cache_results'          => true,
				'update_post_meta_cache' => false,
				'update_post_term_cache' => false,
				'lazy_load_term_meta'    => false,
			)
		);

if ( ! empty( $oembed_post_query->posts ) ) {
			// Note: 'fields' => 'ids' is not being used in order to cache the post object as it will be needed.
			$oembed_post_id = $oembed_post_query->posts[0]->ID;
			wp_cache_set( $cache_key, $oembed_post_id, $cache_group );

return $oembed_post_id;
		}

return null;
	}
}

cmd: