is_wp_error() - Check whether variable is a WordPress Error.

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Description

Check whether variable is a WordPress Error.

Returns true if $thing is an object of the WP_Error class.

$bool = is_wp_error( $thing );

$thing: ( mixed ) required – Check if unknown variable is a WP_Error object.

bool True, if WP_Error. False, if not WP_Error.

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

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function is_wp_error( $thing ) {
  return ( $thing instanceof WP_Error );
}