WordPress at a glance
function is not described

Requests_Utility_CaseInsensitiveDictionary::offsetExists() public WP 1.0

Check if the given item exists

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

No Hooks.

Return

true/false. Does the item exist?

Usage

$Requests_Utility_CaseInsensitiveDictionary = new Requests_Utility_CaseInsensitiveDictionary();
$Requests_Utility_CaseInsensitiveDictionary->offsetExists( $key );
$key(string) (required)
Item key

Code of Requests_Utility_CaseInsensitiveDictionary::offsetExists() WP 5.5.2

<?php
public function offsetExists($key) {
	$key = strtolower($key);
	return isset($this->data[$key]);
}