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_deprecated_class › WordPress Function

Since6.4.0
Deprecatedn/a
› _deprecated_class ( $class_name, $version, $replacement = '' )
Parameters: (3)
  • (string) $class_name The name of the class being instantiated.
    Required: Yes
  • (string) $version The version of WordPress that deprecated the class.
    Required: Yes
  • (string) $replacement Optional. The class or function that should have been called. Default empty string.
    Required: No
    Default: (empty)
Defined at:
Codex:

Marks a class as deprecated and informs when it has been used.

There is a {@see 'deprecated_class_run'} hook that will be called that can be used to get the backtrace up to what file and function called the deprecated class. The current behavior is to trigger a user error if WP_DEBUG is true. This function is to be used in the class constructor for every deprecated class. See {@see} for deprecating PHP4-style constructors.


Related Functions: _deprecated_file, _deprecated_hook, _deprecated_argument, _deprecated_constructor, _deprecated_function

Source 

function _deprecated_class( $class_name, $version, $replacement = '' ) {

	/**
	 * Fires when a deprecated class is called.
	 *
	 * @since 6.4.0
	 *
	 * @param string $class_name  The name of the class being instantiated.
	 * @param string $replacement The class or function that should have been called.
	 * @param string $version     The version of WordPress that deprecated the class.
	 */
	do_action( 'deprecated_class_run', $class_name, $replacement, $version );

	/**
	 * Filters whether to trigger an error for a deprecated class.
	 *
	 * @since 6.4.0
	 *
	 * @param bool $trigger Whether to trigger an error for a deprecated class. Default true.
	 */
	if ( WP_DEBUG && apply_filters( 'deprecated_class_trigger_error', true ) ) {
		if ( function_exists( '__' ) ) {
			if ( $replacement ) {
				$message = sprintf(
					/* translators: 1: PHP class name, 2: Version number, 3: Alternative class or function name. */
					__( 'Class %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ),
					$class_name,
					$version,
					$replacement
				);
			} else {
				$message = sprintf(
					/* translators: 1: PHP class name, 2: Version number. */
					__( 'Class %1$s is <strong>deprecated</strong> since version %2$s with no alternative available.' ),
					$class_name,
					$version
				);
			}
		} else {
			if ( $replacement ) {
				$message = sprintf(
					'Class %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.',
					$class_name,
					$version,
					$replacement
				);
			} else {
				$message = sprintf(
					'Class %1$s is <strong>deprecated</strong> since version %2$s with no alternative available.',
					$class_name,
					$version
				);
			}
		}

		wp_trigger_error( '', $message, E_USER_DEPRECATED );
	}
}