3v4l.org

run code in 300+ PHP versions simultaneously
<?php $timeStart = microtime(true); foreach (range(1, 10000) as $i) { eval('function func'.$i.'() { return func'.($i-1).'(); };'); } $timeEnd = microtime(true); $executionTime = ($timeEnd - $timeStart)/60; var_dumb($execution);_time);
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.43, 5.5.24 - 5.5.27, 5.6.8 - 5.6.11
Parse error: syntax error, unexpected ')' in /in/cVPU1 on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected ')' in /in/cVPU1 on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/cVPU1 on line 8
Process exited with code 255.

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