WP_Error::add_data( mixed $data, string|int $code = '' )

Adds data to an error with the given code.

Parameters

$data

(Required) Error data.

$code

(Optional) Error code.

Default value: ''

Source

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

	public function add_data($data, $code = '') {
		if ( empty($code) )
			$code = $this->get_error_code();

		$this->error_data[$code] = $data;
	}

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Changelog

Changelog
Version Description
5.6.0 Errors can now contain more than one item of error data. WP_Error::$additional_data.
2.1.0 Introduced.