Question

wp_maybe_load_embeds()

Determines if default embed handlers should be loaded.

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description

Checks to make sure that the embeds library hasn’t already been loaded. If it hasn’t, then it will load the embeds library.

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源代码

File: wp-includes/embed.php

function wp_maybe_load_embeds() {
	/**
	 * Filters whether to load the default embed handlers.
	 *
	 * Returning a falsey value will prevent loading the default embed handlers.
	 *
	 * @since 2.9.0
	 *
	 * @param bool $maybe_load_embeds Whether to load the embeds library. Default true.
	 */
	if ( ! apply_filters( 'load_default_embeds', true ) ) {
		return;
	}

	wp_embed_register_handler( 'youtube_embed_url', '#https?://(www.)?youtube\.com/(?:v|embed)/([^/]+)#i', 'wp_embed_handler_youtube' );

	/**
	 * Filters the audio embed handler callback.
	 *
	 * @since 3.6.0
	 *
	 * @param callable $handler Audio embed handler callback function.
	 */
	wp_embed_register_handler( 'audio', '#^https?://.+?\.(' . join( '|', wp_get_audio_extensions() ) . ')$#i', apply_filters( 'wp_audio_embed_handler', 'wp_embed_handler_audio' ), 9999 );

	/**
	 * Filters the video embed handler callback.
	 *
	 * @since 3.6.0
	 *
	 * @param callable $handler Video embed handler callback function.
	 */
	wp_embed_register_handler( 'video', '#^https?://.+?\.(' . join( '|', wp_get_video_extensions() ) . ')$#i', apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ), 9999 );
}

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更新日志

Version	description
2.9.0	Introduced.

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相关函数

Uses

• wp-includes/plugin.php: apply_filters()
• wp-includes/embed.php: wp_embed_register_handler()
• wp-includes/embed.php: load_default_embeds
• wp-includes/embed.php: wp_audio_embed_handler
• wp-includes/embed.php: wp_video_embed_handler
• wp-includes/media.php: wp_get_video_extensions()
• wp-includes/media.php: wp_get_audio_extensions()
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User Contributed Notes