wp_get_video_extensions()

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概述

wp_get_video_extensions() 函数返回一个经过过滤的、WordPress 支持的视频格式列表。它通过 'wp_video_extensions' 过滤器允许开发者自定义支持的格式。

关键要点

函数返回一个字符串数组，默认包含 'mp4', 'm4v', 'webm', 'ogv', 'flv' 等格式。
使用 apply_filters('wp_video_extensions', $extensions) 钩子来过滤或修改支持的视频格式列表。
该函数自 WordPress 3.6.0 版本引入，常用于媒体处理、短码输出和模板渲染等场景。

代码示例

$video_extensions = wp_get_video_extensions();
print_r( $video_extensions );

📄 原文内容

Returns a filtered list of supported video formats.

Return

string[] List of supported video formats.

Source

function wp_get_video_extensions() {
	/**
	 * Filters the list of supported video formats.
	 *
	 * @since 3.6.0
	 *
	 * @param string[] $extensions An array of supported video formats. Defaults are
	 *                             'mp4', 'm4v', 'webm', 'ogv', 'flv'.
	 */
	return apply_filters( 'wp_video_extensions', array( 'mp4', 'm4v', 'webm', 'ogv', 'flv' ) );
}

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Hooks

apply_filters( ‘wp_video_extensions’, string[] $extensions ): Filters the list of supported video formats.

Uses	Description
apply_filters()`wp-includes/plugin.php`	Calls the callback functions that have been added to a filter hook.

Used by	Description
WP_Widget_Media_Video::__construct()`wp-includes/widgets/class-wp-widget-media-video.php`	Constructor.
WP_Widget_Media_Video::get_instance_schema()`wp-includes/widgets/class-wp-widget-media-video.php`	Get schema for properties of a widget instance (item).
wp_attachment_is()`wp-includes/post.php`	Verifies an attachment is of a given type.
wp_enqueue_media()`wp-includes/media.php`	Enqueues all scripts, styles, settings, and templates necessary to use all media JS APIs.
wp_maybe_load_embeds()`wp-includes/embed.php`	Determines if default embed handlers should be loaded.
wp_video_shortcode()`wp-includes/media.php`	Builds the Video shortcode output.
wp_underscore_video_template()`wp-includes/media-template.php`	Outputs the markup for a video tag to be used in an Underscore template when data.model is passed.
wp_print_media_templates()`wp-includes/media-template.php`	Prints the templates used in the media manager.

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Changelog

Version	Description
3.6.0	Introduced.

User Contributed Notes

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Codex

10 years ago

You must log in to vote on the helpfulness of this noteVote results for this note: -1You must log in to vote on the helpfulness of this note
Print an array of default WordPress-supported video extensions
```
$video_extensions = wp_get_video_extensions();
print_r( $video_extensions );
```
Output:
```
Array
(
    [0] => mp4
    [1] => m4v
    [2] => webm
    [3] => ogv
    [4] => wmv
    [5] => flv
)
```
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函数文档

wp_get_video_extensions()

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关键要点

代码示例

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Hooks

Changelog

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函数文档

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