3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = null; $foo || $foo = 'default'; var_dump($foo); // Proposed $foo =|| "default";
Output for 5.4.0 - 5.4.22, 5.5.0 - 5.5.6
Parse error: syntax error, unexpected '||' (T_BOOLEAN_OR) in /in/23Al5 on line 8
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_BOOLEAN_OR in /in/23Al5 on line 8
Process exited with code 255.
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207.3 ms | 1395 KiB | 65 Q