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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 2788 | /** |
| 2789 | * Filters reserved site names on a sub-directory Multisite installation. |
| 2790 | * |
| 2791 | * @since 3.0.0 |
| 2792 | * @since 4.4.0 'wp-admin', 'wp-content', 'wp-includes', 'wp-json', and 'embed' were added |
| 2793 | * to the reserved names list. |
| 2794 | * |
| 2795 | * @param string[] $subdirectory_reserved_names Array of reserved names. |
| 2796 | */ |
| 2797 | return apply_filters( 'subdirectory_reserved_names', $names ); |
| 2798 | } |
| 2799 | |
| 2800 | /** |
| 2801 | * Send a confirmation request email when a change of network admin email address is attempted. |
| 2802 | * |
| 2803 | * The new network admin address will not become active until confirmed. |
| 2804 | * |
| 2805 | * @since 4.9.0 |
| 2806 | * |