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<?php function nullTest($x){ if ($x == 0) { $funct = "Не указано"; return $funct; } else { return $x; } } $null = nullTest($x); $null;
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
Notice: Undefined variable: x in /in/cAYgC on line 11