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_deprecated_constructor() WP 4.3.0

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

Similar to _deprecated_function(), but with different strings. Used to remove PHP4 style constructors.

The current behavior is to trigger a user error if WP_DEBUG is true.

This function is to be used in every PHP4 style constructor method that is deprecated.

Возвращает

Null. Ничего.

Использование

_deprecated_constructor( $class, $version, $parent_class );
$class(строка) (обязательный)
The class containing the deprecated constructor.
$version(строка) (обязательный)
The version of WordPress that deprecated the function.
$parent_class(строка)
The parent class calling the deprecated constructor.
По умолчанию: empty string

Список изменений

С версии 4.3.0 Введена.
С версии 4.5.0 Added the $parent_class parameter.

Код deprecated constructor: wp-includes/functions.php WP 5.2.2

<?php
function _deprecated_constructor( $class, $version, $parent_class = '' ) {

	/**
	 * Fires when a deprecated constructor is called.
	 *
	 * @since 4.3.0
	 * @since 4.5.0 Added the `$parent_class` parameter.
	 *
	 * @param string $class        The class containing the deprecated constructor.
	 * @param string $version      The version of WordPress that deprecated the function.
	 * @param string $parent_class The parent class calling the deprecated constructor.
	 */
	do_action( 'deprecated_constructor_run', $class, $version, $parent_class );

	/**
	 * Filters whether to trigger an error for deprecated functions.
	 *
	 * `WP_DEBUG` must be true in addition to the filter evaluating to true.
	 *
	 * @since 4.3.0
	 *
	 * @param bool $trigger Whether to trigger the error for deprecated functions. Default true.
	 */
	if ( WP_DEBUG && apply_filters( 'deprecated_constructor_trigger_error', true ) ) {
		if ( function_exists( '__' ) ) {
			if ( ! empty( $parent_class ) ) {
				/* translators: 1: PHP class name, 2: PHP parent class name, 3: version number, 4: __construct() method */
				trigger_error(
					sprintf(
						__( 'The called constructor method for %1$s in %2$s is <strong>deprecated</strong> since version %3$s! Use %4$s instead.' ),
						$class,
						$parent_class,
						$version,
						'<pre>__construct()</pre>'
					)
				);
			} else {
				/* translators: 1: PHP class name, 2: version number, 3: __construct() method */
				trigger_error(
					sprintf(
						__( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ),
						$class,
						$version,
						'<pre>__construct()</pre>'
					)
				);
			}
		} else {
			if ( ! empty( $parent_class ) ) {
				trigger_error(
					sprintf(
						'The called constructor method for %1$s in %2$s is <strong>deprecated</strong> since version %3$s! Use %4$s instead.',
						$class,
						$parent_class,
						$version,
						'<pre>__construct()</pre>'
					)
				);
			} else {
				trigger_error(
					sprintf(
						'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.',
						$class,
						$version,
						'<pre>__construct()</pre>'
					)
				);
			}
		}
	}

}