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function is not described

WC_Meta_Data::__isset() public WC 1.0

Checks if a given key exists in our data. This is called internally by empty and isset.

{} It's a method of the class: WC_Meta_Data{}

No Hooks.

Return

true|false.

Usage

$WC_Meta_Data = new WC_Meta_Data();
$WC_Meta_Data->__isset( $key );
$key(string) (required)
Key to check if set.

Code of WC_Meta_Data::__isset() WC 5.6.0

public function __isset( $key ) {
	return array_key_exists( $key, $this->current_data );
}