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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a=array('0.txt','1.txt','2.txt','3.txt'); $n=(int)current(explode('.',end($a))); $a[]=($n+1).'txt'; print_r($a); $n=(int)current(explode('.',end($a))); $a[]=($n+1).'txt'; print_r($a); $n=(int)current(explode('.',end($a))); $a[]=($n+1).'txt'; print_r($a); ?>
Output for 4.3.0 - 5.0.4, 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 0.txt [1] => 1.txt [2] => 2.txt [3] => 3.txt [4] => 4txt ) Array ( [0] => 0.txt [1] => 1.txt [2] => 2.txt [3] => 3.txt [4] => 4txt [5] => 5txt ) Array ( [0] => 0.txt [1] => 1.txt [2] => 2.txt [3] => 3.txt [4] => 4txt [5] => 5txt [6] => 6txt )
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/nKr61 on line 5
Process exited with code 255.