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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 3102 | * More complete data can be parsed from the `$data` parameter. |
| 3103 | * |
| 3104 | * @since 4.9.0 |
| 3105 | * |
| 3106 | * @param array $metadata Filtered Video metadata. |
| 3107 | * @param string $file Path to video file. |
| 3108 | * @param string $file_format File format of video, as analyzed by getID3. |
| 3109 | * @param string $data Raw metadata from getID3. |
| 3110 | */ |
| 3111 | return apply_filters( 'wp_read_video_metadata', $metadata, $file, $file_format, $data ); |
| 3112 | } |
| 3113 | |
| 3114 | /** |
| 3115 | * Retrieve metadata from a audio file's ID3 tags |
| 3116 | * |
| 3117 | * @since 3.6.0 |
| 3118 | * |
| 3119 | * @param string $file Path to file. |
| 3120 | * @return array|bool Returns array of metadata, if found. |