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run code in 150+ php & hhvm versions
Bugs & Features
<?php $outer = function ( $n ) { echo "Outer\n"; $times = 0; $inner = function () use ( &$times, &$inner, $n ) { echo "Inner : ${times}\n"; $times++; if ( $times < $n ){ $inner(); } }; return $inner; }; $inner = $outer(4); $inner(); ?>
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Outer Inner : 0 Inner : 1 Inner : 2 Inner : 3
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/bJcJR on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/bJcJR on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/bJcJR on line 2
Process exited with code 255.