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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 |
---|---|
439 | /** |
440 | * Filter the themes prepared for JavaScript, for themes.php. |
441 | * |
442 | * Could be useful for changing the order, which is by name by default. |
443 | * |
444 | * @since 3.8.0 |
445 | * |
446 | * @param array $prepared_themes Array of themes. |
447 | */ |
448 | $prepared_themes = apply_filters( 'wp_prepare_themes_for_js', $prepared_themes ); |
449 | return array_values( $prepared_themes ); |
450 | } |