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run code in 300+ PHP versions simultaneously
<?php $z; if (3 > 5) { $z = 1; } if (is_null($z)) echo;
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.34
Parse error: syntax error, unexpected ';' in /in/1ZXad on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ';' in /in/1ZXad on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Undefined variable: z in /in/1ZXad on line 2 Notice: Undefined variable: z in /in/1ZXad on line 6

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