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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 |
|---|---|
| 92 | $themes = array( |
| 93 | /** |
| 94 | * Filters the full array of WP_Theme objects to list in the Multisite |
| 95 | * themes list table. |
| 96 | * |
| 97 | * @since 3.1.0 |
| 98 | * |
| 99 | * @param array $all An array of WP_Theme objects to display in the list table. |
| 100 | */ |
| 101 | 'all' => apply_filters( 'all_themes', wp_get_themes() ), |
| 102 | 'search' => array(), |
| 103 | 'enabled' => array(), |
| 104 | 'disabled' => array(), |
| 105 | 'upgrade' => array(), |
| 106 | 'broken' => $this->is_site_themes ? array() : wp_get_themes( array( 'errors' => true ) ), |
| 107 | ); |
| 108 | |
| 109 | if ( $this->is_site_themes ) { |
| 110 | $themes_per_page = $this->get_items_per_page( 'site_themes_network_per_page' ); |