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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 |
|---|---|
| 3563 | * More complete data can be parsed from the `$data` parameter. |
| 3564 | * |
| 3565 | * @since 4.9.0 |
| 3566 | * |
| 3567 | * @param array $metadata Filtered Video metadata. |
| 3568 | * @param string $file Path to video file. |
| 3569 | * @param string $file_format File format of video, as analyzed by getID3. |
| 3570 | * @param string $data Raw metadata from getID3. |
| 3571 | */ |
| 3572 | return apply_filters( 'wp_read_video_metadata', $metadata, $file, $file_format, $data ); |
| 3573 | } |
| 3574 | |
| 3575 | /** |
| 3576 | * Retrieve metadata from an audio file's ID3 tags. |
| 3577 | * |
| 3578 | * @since 3.6.0 |
| 3579 | * |
| 3580 | * @param string $file Path to file. |
| 3581 | * @return array|bool Returns array of metadata, if found. |