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Description
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.
Usage
_deprecated_constructor( $class, $version, $parent_class );
Parameters
- $class
- ( string ) required – The class containing the deprecated constructor.
- $version
- ( string ) required – The version of WordPress that deprecated the function.
- $parent_class
- ( string ) optional – Optional. The parent class calling the deprecated constructor. Default empty string.
Returns
void
Source
File name: wordpress/wp-includes/functions.php
Lines:
1 to 76 of 76
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 ); } } } }