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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 |
|---|---|
| 1106 | */ |
| 1107 | public static function get_allowed( $blog_id = null ) { |
| 1108 | /** |
| 1109 | * Filter the array of themes allowed on the site or network. |
| 1110 | * |
| 1111 | * @since MU |
| 1112 | * |
| 1113 | * @param array $allowed_themes An array of theme stylesheet names. |
| 1114 | */ |
| 1115 | $network = (array) apply_filters( 'allowed_themes', self::get_allowed_on_network() ); |
| 1116 | return $network + self::get_allowed_on_site( $blog_id ); |
| 1117 | } |
| 1118 | |
| 1119 | /** |
| 1120 | * Returns array of stylesheet names of themes allowed on the network. |
| 1121 | * |
| 1122 | * @since 3.4.0 |
| 1123 | * @access public |
| 1124 | * |