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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 |
|---|---|
| 1632 | } |
| 1633 | |
| 1634 | /** |
| 1635 | * Filters header video settings. |
| 1636 | * |
| 1637 | * @since 4.7.0 |
| 1638 | * |
| 1639 | * @param array $settings An array of header video settings. |
| 1640 | */ |
| 1641 | return apply_filters( 'header_video_settings', $settings ); |
| 1642 | } |
| 1643 | |
| 1644 | /** |
| 1645 | * Checks whether a custom header is set or not. |
| 1646 | * |
| 1647 | * @since 4.7.0 |
| 1648 | * |
| 1649 | * @return bool True if a custom header is set. False if not. |
| 1650 | */ |