WP_Error::get_error_messages( string|int $code = '' )

Retrieves all error messages, or the error messages for the given error code.

Parameters

$code

(string|int) (Optional) Retrieve messages matching code, if exists.

Default value: ''

Return

(array) Error strings on success, or empty array if there are none.

Source

File: wp-includes/class-wp-error.php

public function get_error_messages( $code = '' ) {
		// Return all messages if no code specified.
		if ( empty( $code ) ) {
			$all_messages = array();
			foreach ( (array) $this->errors as $code => $messages ) {
				$all_messages = array_merge( $all_messages, $messages );
			}

			return $all_messages;
		}

		if ( isset( $this->errors[ $code ] ) ) {
			return $this->errors[ $code ];
		} else {
			return array();
		}
	}

Changelog

Version Description
2.1.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_error/get_error_messages