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функция не описана

_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.

Эта функция считается внутренней для использования самим ядром. Не рекомендуется использовать эту функцию в своем коде.

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.
С версии 5.4.0 This function is no longer marked as "private".
С версии 5.4.0 The error type is now classified as E_USER_DEPRECATED (used to default to E_USER_NOTICE).

Код _deprecated_constructor() WP 5.7.1

<?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 ( $parent_class ) {
				trigger_error(
					sprintf(
						/* translators: 1: PHP class name, 2: PHP parent class name, 3: Version number, 4: __construct() method. */
						__( 'The called constructor method for %1$s in %2$s is <strong>deprecated</strong> since version %3$s! Use %4$s instead.' ),
						$class,
						$parent_class,
						$version,
						'<code>__construct()</code>'
					),
					E_USER_DEPRECATED
				);
			} else {
				trigger_error(
					sprintf(
						/* translators: 1: PHP class name, 2: Version number, 3: __construct() method. */
						__( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ),
						$class,
						$version,
						'<code>__construct()</code>'
					),
					E_USER_DEPRECATED
				);
			}
		} else {
			if ( $parent_class ) {
				trigger_error(
					sprintf(
						'The called constructor method for %1$s in %2$s is <strong>deprecated</strong> since version %3$s! Use %4$s instead.',
						$class,
						$parent_class,
						$version,
						'<code>__construct()</code>'
					),
					E_USER_DEPRECATED
				);
			} else {
				trigger_error(
					sprintf(
						'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.',
						$class,
						$version,
						'<code>__construct()</code>'
					),
					E_USER_DEPRECATED
				);
			}
		}
	}

}