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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 |
|---|---|
| 3330 | * More complete data can be parsed from the `$data` parameter. |
| 3331 | * |
| 3332 | * @since 4.9.0 |
| 3333 | * |
| 3334 | * @param array $metadata Filtered Video metadata. |
| 3335 | * @param string $file Path to video file. |
| 3336 | * @param string $file_format File format of video, as analyzed by getID3. |
| 3337 | * @param string $data Raw metadata from getID3. |
| 3338 | */ |
| 3339 | return apply_filters( 'wp_read_video_metadata', $metadata, $file, $file_format, $data ); |
| 3340 | } |
| 3341 | |
| 3342 | /** |
| 3343 | * Retrieve metadata from an audio file's ID3 tags. |
| 3344 | * |
| 3345 | * @since 3.6.0 |
| 3346 | * |
| 3347 | * @param string $file Path to file. |
| 3348 | * @return array|bool Returns array of metadata, if found. |