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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 |
|---|---|
| 1660 | } |
| 1661 | |
| 1662 | /** |
| 1663 | * Filters header video settings. |
| 1664 | * |
| 1665 | * @since 4.7.0 |
| 1666 | * |
| 1667 | * @param array $settings An array of header video settings. |
| 1668 | */ |
| 1669 | return apply_filters( 'header_video_settings', $settings ); |
| 1670 | } |
| 1671 | |
| 1672 | /** |
| 1673 | * Checks whether a custom header is set or not. |
| 1674 | * |
| 1675 | * @since 4.7.0 |
| 1676 | * |
| 1677 | * @return bool True if a custom header is set. False if not. |
| 1678 | */ |