wp_embed_handler_youtube( array $matches, array $attr, string $url, array $rawattr )

YouTube iframe embed handler callback.

Description Description

Catches YouTube iframe embed URLs that are not parsable by oEmbed but can be translated into a URL that is.

Parameters Parameters


(array) (Required) The RegEx matches from the provided regex when calling wp_embed_register_handler().


(array) (Required) Embed attributes.


(string) (Required) The original URL that was matched by the regex.


(array) (Required) The original unmodified attributes.

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Return Return

(string) The embed HTML.

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Source Source

File: wp-includes/embed.php

function wp_embed_handler_youtube( $matches, $attr, $url, $rawattr ) {
	global $wp_embed;
	$embed = $wp_embed->autoembed( sprintf( 'https://youtube.com/watch?v=%s', urlencode( $matches[2] ) ) );

	 * Filters the YoutTube embed output.
	 * @since 4.0.0
	 * @see wp_embed_handler_youtube()
	 * @param string $embed   YouTube embed output.
	 * @param array  $attr    An array of embed attributes.
	 * @param string $url     The original URL that was matched by the regex.
	 * @param array  $rawattr The original unmodified attributes.
	return apply_filters( 'wp_embed_handler_youtube', $embed, $attr, $url, $rawattr );

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Changelog Changelog

Version Description
4.0.0 Introduced.

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