Fatal error: Uncaught TypeError: date(): Argument #2 ($timestamp) must be of type ?int, string given in /in/cKJVc:2
Stack trace:
#0 /in/cKJVc(2): date('d/m/Y', '2013-08-11 21:5...')
#1 {main}
thrown in /in/cKJVc on line 2
Process exited with code 255.