3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row=array('username'=>'user1','password'=>'testpass','username'=>'user2','password'=>'testpass2'); foreach ($row=>username){ echo $rows; } ?>
Output for 5.4.0 - 5.4.26
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/bVSf1 on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_DOUBLE_ARROW in /in/bVSf1 on line 4
Process exited with code 255.
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179.34 ms | 1395 KiB | 63 Q