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Description

Checks whether the given variable is a WordPress Error.

Returns whether $thing is an instance of the WP_Error class.

Usage

$bool = is_wp_error( $thing );

Parameters

$thing

( mixed ) required – The variable to check.

Returns

bool Whether the variable is an instance of WP_Error.

Source

File name: wordpress/wp-includes/load.php
Lines:

function is_wp_error( $thing ) {
  $is_wp_error = ( $thing instanceof WP_Error );

  if ( $is_wp_error ) {
    
/**
 * Fires when `is_wp_error()` is called and its parameter is an instance of `WP_Error`.
 *
 * @since 5.6.0
 *
 * @param WP_Error $thing The error object passed to `is_wp_error()`.
 */
    do_action( 'is_wp_error_instance', $thing );
  }

  return $is_wp_error;
}
 

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