3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43"); $result=array(0=>$age); foreach($result as $x=>$x_value) { echo "Key=" . $x . ", Value=" . $x_value; echo "<br>"; } ?>
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/HpKQQ on line 6 Key=0, Value=Array<br>
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.3.29
Key=0, Value=Array<br>