3v4l.org

run code in 300+ PHP versions simultaneously
<?php function vztah ($sef, callback) { echo "sef: " . $seff; $callback(); }
Output for 5.4.0 - 5.4.24
Parse error: syntax error, unexpected ')', expecting '&' or variable (T_VARIABLE) in /in/Ror5Y on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected ')', expecting '&' or T_VARIABLE in /in/Ror5Y on line 5
Process exited with code 255.
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185.19 ms | 1395 KiB | 61 Q