3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = microtime(true); for($i = i; $i < 2000; $i) { $t = function() { return 'hi'; }; $t(); } echo microtime(true) - $s;
Output for 7.2.0
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/L66ND on line 5
Process exited with code 137.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Notice: Use of undefined constant i - assumed 'i' in /in/L66ND on line 5
Process exited with code 137.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/L66ND on line 7
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 T_FUNCTION in /in/L66ND on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/L66ND on line 7
Process exited with code 255.
preferences:
137.85 ms | 401 KiB | 174 Q