Requests_Utility_CaseInsensitiveDictionary::offsetExists( string $key )
Check if the given item exists
Parameters
- $key
-
(string) (Required) Item key
Return
(boolean) Does the item exist?
Source
File: wp-includes/Requests/Utility/CaseInsensitiveDictionary.php
public function offsetExists($key) {
$key = strtolower($key);
return isset($this->data[$key]);
}