3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = function($a) { print_r(1); print_r($a); return 3; } print_r($test(2));
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected 'print_r' (T_STRING) in /in/m9K4q on line 8
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_STRING in /in/m9K4q on line 8
Process exited with code 255.
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166.96 ms | 1399 KiB | 58 Q