WP_Block_Patterns_Registry::register( string $pattern_name, array $pattern_properties ): bool

89	public function register( $pattern_name, $pattern_properties ) {90		if ( ! isset( $pattern_name ) || ! is_string( $pattern_name ) ) {91			_doing_it_wrong(92				__METHOD__,93				__( 'Pattern name must be a string.' ),94				'5.5.0'95			);96			return false;97		}98 99		if ( ! isset( $pattern_properties['title'] ) || ! is_string( $pattern_properties['title'] ) ) {100			_doing_it_wrong(101				__METHOD__,102				__( 'Pattern title must be a string.' ),103				'5.5.0'104			);105			return false;106		}107 108		if ( ! isset( $pattern_properties['filePath'] ) ) {109			if ( ! isset( $pattern_properties['content'] ) || ! is_string( $pattern_properties['content'] ) ) {110				_doing_it_wrong(111					__METHOD__,112					__( 'Pattern content must be a string.' ),113					'5.5.0'114				);115				return false;116			}117		}118 119		$pattern = array_merge(120			$pattern_properties,121			array( 'name' => $pattern_name )122		);123 124		$this->registered_patterns[ $pattern_name ] = $pattern;125 126		// If the pattern is registered inside an action other than `init`, store it127		// also to a dedicated array. Used to detect deprecated registrations inside128		// `admin_init` or `current_screen`.129		if ( current_action() && 'init' !== current_action() ) {130			$this->registered_patterns_outside_init[ $pattern_name ] = $pattern;131		}132 133		return true;134	}