3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test() { var_dump(debug_backtrace()); } class A { public function test() { $func = function() { test(); } $func(); } }
Output for 5.4.0 - 5.4.13
Parse error: syntax error, unexpected '$func' (T_VARIABLE) in /in/ouY33 on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.23
Parse error: syntax error, unexpected T_VARIABLE in /in/ouY33 on line 12
Process exited with code 255.

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