3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $start = microtime(true); for ($i=0; $i<100000; $i++) { $xhr = 'XMLHttpRequest'; if (strtolower($xhr) === 'xmlhttprequest') { } } echo (microtime(true) - $start) . 's';
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected '<', expecting end of file in /in/sK13Z on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '<' in /in/sK13Z on line 3
Process exited with code 255.
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167.33 ms | 1395 KiB | 25 Q