3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('a'=>'1','b'=>'2','c'=>'3'); foreach($array as $value) { $array['c'] = 'd'; var_dump($value); var_dump(current($array)); }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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(1) "1" string(1) "1" string(1) "2" string(1) "1" string(1) "3" string(1) "1"
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
string(1) "1" string(1) "2" string(1) "2" string(1) "2" string(1) "3" string(1) "2"
preferences:
150.08 ms | 402 KiB | 183 Q