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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 |
|---|---|
| 900 | } |
| 901 | |
| 902 | /** |
| 903 | * Filter the custom logo output. |
| 904 | * |
| 905 | * @since 4.5.0 |
| 906 | * |
| 907 | * @param string $html Custom logo HTML output. |
| 908 | */ |
| 909 | return apply_filters( 'get_custom_logo', $html ); |
| 910 | } |
| 911 | |
| 912 | /** |
| 913 | * Displays a custom logo, linked to home. |
| 914 | * |
| 915 | * @since 4.5.0 |
| 916 | * |
| 917 | * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog. |
| 918 | */ |