WP_Dependencies::all_deps( string|string[] $handles, bool $recursion = false, int|false $group = false ): bool

192	public function all_deps( $handles, $recursion = false, $group = false ) {193		$handles = (array) $handles;194		if ( ! $handles ) {195			return false;196		}197 198		foreach ( $handles as $handle ) {199			$handle_parts = explode( '?', $handle );200			$handle       = $handle_parts[0];201			$queued       = in_array( $handle, $this->to_do, true );202 203			if ( in_array( $handle, $this->done, true ) ) { // Already done.204				continue;205			}206 207			$moved     = $this->set_group( $handle, $recursion, $group );208			$new_group = $this->groups[ $handle ];209 210			if ( $queued && ! $moved ) { // Already queued and in the right group.211				continue;212			}213 214			$keep_going           = true;215			$missing_dependencies = array();216			if ( isset( $this->registered[ $handle ] ) && count( $this->registered[ $handle ]->deps ) > 0 ) {217				$missing_dependencies = array_diff( $this->registered[ $handle ]->deps, array_keys( $this->registered ) );218			}219			if ( ! isset( $this->registered[ $handle ] ) ) {220				$keep_going = false; // Item doesn't exist.221			} elseif ( count( $missing_dependencies ) > 0 ) {222				if ( ! in_array( $handle, $this->dependencies_with_missing_dependencies, true ) ) {223					_doing_it_wrong(224						get_class( $this ) . '::add',225						$this->get_dependency_warning_message( $handle, $missing_dependencies ),226						'6.9.1'227					);228					$this->dependencies_with_missing_dependencies[] = $handle;229				}230				$keep_going = false; // Item requires dependencies that don't exist.231			} elseif ( $this->registered[ $handle ]->deps && ! $this->all_deps( $this->registered[ $handle ]->deps, true, $new_group ) ) {232				$keep_going = false; // Item requires dependencies that don't exist.233			}234 235			if ( ! $keep_going ) { // Either item or its dependencies don't exist.236				if ( $recursion ) {237					return false; // Abort this branch.238				} else {239					continue; // We're at the top level. Move on to the next one.240				}241			}242 243			if ( $queued ) { // Already grabbed it and its dependencies.244				continue;245			}246 247			if ( isset( $handle_parts[1] ) ) {248				$this->args[ $handle ] = $handle_parts[1];249			}250 251			$this->to_do[] = $handle;252		}253 254		return true;255	}