3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 0; $i < 100; $i++) { echo uniqid('', true'') . PHP_EOL; }
Output for 7.0.0 - 7.0.9
Parse error: syntax error, unexpected '''' (T_CONSTANT_ENCAPSED_STRING), expecting ',' or ')' in /in/0Xqnt on line 4
Process exited with code 255.
Output for 5.6.0 - 5.6.24
Parse error: syntax error, unexpected '''' (T_CONSTANT_ENCAPSED_STRING) in /in/0Xqnt on line 4
Process exited with code 255.
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176.36 ms | 1395 KiB | 42 Q