3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cur; $arr = array('apple', 'orange', 'banana', 'potato', 'cocos', 'lime'); var_dump(current($arr)); next($arr); next($arr); next($arr); next($arr); next($arr); $arr = array('apple1', 'orange1', 'banana1', 'potato1', 'cocos1', 'lime1'); next($arr); var_dump(current($arr));
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(5) "apple" string(7) "orange1"
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: cur in /in/VGfDR on line 3 string(5) "apple" string(7) "orange1"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: cur in /in/VGfDR on line 3 string(5) "apple" string(7) "orange1"
preferences:
321.77 ms | 402 KiB | 457 Q