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filter is not described

customize_load_themes filter-hook . WP 4.9.0

Filters the theme data loaded in the customizer.

This allows theme data to be loading from an external source, or modification of data loaded from wp_prepare_themes_for_js() or WordPress.org via themes_api().


add_filter( 'customize_load_themes', 'filter_function_name_3297', 10, 3 );
function filter_function_name_3297( $themes, $args, $manager ){
	// filter...

	return $themes;
Nested array of theme data.
List of arguments, such as page, search term, and tags to query for.
Instance of Customize manager.


Since 4.9.0 Introduced.

Where the hook is called

wp-includes/class-wp-customize-manager.php 5928
$themes = apply_filters( 'customize_load_themes', $themes, $args, $this );

Where in WP core the hook is used WordPress

Usage not found.