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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 |
|---|---|
| 781 | /** |
| 782 | * Filters the themes prepared for JavaScript, for themes.php. |
| 783 | * |
| 784 | * Could be useful for changing the order, which is by name by default. |
| 785 | * |
| 786 | * @since 3.8.0 |
| 787 | * |
| 788 | * @param array $prepared_themes Array of theme data. |
| 789 | */ |
| 790 | $prepared_themes = apply_filters( 'wp_prepare_themes_for_js', $prepared_themes ); |
| 791 | $prepared_themes = array_values( $prepared_themes ); |
| 792 | return array_filter( $prepared_themes ); |
| 793 | } |
| 794 | |
| 795 | /** |
| 796 | * Print JS templates for the theme-browsing UI in the Customizer. |
| 797 | * |
| 798 | * @since 4.2.0 |
| 799 | */ |