Testing if an Array of Structs contains a key / value pair.

isKeyValueInArray

	/**
	 * isKeyValueInArray()
	 * @displayname Is Key In Array
	 * @hint        Allows you to loop over array of structures and check if there's atleast one containing a key/value pair.
	 * @param       Array   arr   Array of structures Required
	 * @param       String  key   The key to look for.
	 * @param       String  value The value of the key to look for.
	 * @returnType  Boolean
	 * @since       0.0.1
	 */
	private function isKeyValueInArray ( required array arr, required string key, required string value )
	{
		// loop over array of structures and check if there is a matching key / value pair
		var result = false;
		for( var i=1; i<=ArrayLen(arguments.arr); i=i+1){
			var this_struct = arguments.arr[i];
			if( structKeyExists(this_struct, arguments.key) && this_struct[arguments.key] == arguments.value ){
				result = true;
				break;
			}
		}
		return result;
	};