WP_Scripts::get_dependents( string $handle ): string[]

Source

private function get_dependents( $handle ) {
	// Check if dependents map for the handle in question is present. If so, use it.
	if ( isset( $this->dependents_map[ $handle ] ) ) {
		return $this->dependents_map[ $handle ];
	}

	$dependents = array();

	// Iterate over all registered scripts, finding dependents of the script passed to this method.
	foreach ( $this->registered as $registered_handle => $args ) {
		if ( in_array( $handle, $args->deps, true ) ) {
			$dependents[] = $registered_handle;
		}
	}

	// Add the handles dependents to the map to ease future lookups.
	$this->dependents_map[ $handle ] = $dependents;

	return $dependents;
}

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