WordImpress / Give

			return null;

		}

		if ( ! is_int( $params[1] )

		     && ! is_float( $params[1] )

		     && ! is_string( $params[1] )

		     && $params[1] !== null

		     && ! ( is_object( $params[1] ) && method_exists( $params[1], '__toString' ) )

		) {

			trigger_error( esc_html__( 'array_column(): The column key should be either a string or an integer.', 'give' ), E_USER_WARNING );

			return false;

		}

		if ( isset( $params[2] )

		     && ! is_int( $params[2] )

			return false;

		}

		if ( isset( $params[2] )

		     && ! is_int( $params[2] )

		     && ! is_float( $params[2] )

		     && ! is_string( $params[2] )

		     && ! ( is_object( $params[2] ) && method_exists( $params[2], '__toString' ) )

		) {

			trigger_error( esc_html__( 'array_column(): The index key should be either a string or an integer.', 'give' ), E_USER_WARNING );

			return false;

		}

		$paramsInput     = $params[0];

		$paramsColumnKey = ( $params[1] !== null ) ? (string) $params[1] : null;