Fatal error: Uncaught TypeError: key_exists(): Argument #2 ($array) must be of type array, string given in /in/hLfZv:3
Stack trace:
#0 /in/hLfZv(3): key_exists('class', 'test')
#1 {main}
thrown in /in/hLfZv on line 3
Process exited with code 255.
Warning: key_exists(): The second argument should be either an array or an object in /in/hLfZv on line 3
not set
Output for 4.3.0 - 4.3.1
Warning: key_exists() [http://www.php.net/function.key-exists]: The second argument should be either an array or an object in /in/hLfZv on line 3
not set