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run code in 150+ php & hhvm versions
Bugs & Features
<?php $sum = null; // global variable function outer() { global $sum; $hundred_more = 100; $sum = function ($a, $b) use ($hundred_more) { return $a + $b + (++$hundred_more); }; println $hundred_more; } outer(); // define sum at the global scope and print 100 echo($sum(5, 10)); // 116 echo($sum(5, 10)); // 117 outer(); // redefine sum at the global scope and print 100 echo($sum(5, 10)); // 116 echo($sum(5, 10)); // 117
based on aEvUM
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected '$hundred_more' (T_VARIABLE) in /in/J05DQ on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/J05DQ on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/J05DQ on line 8
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/J05DQ on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/J05DQ on line 8
Process exited with code 255.