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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo serialize(array('x', 'y', 'z'));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
a:3:{i:0;s:1:"x";i:1;s:1:"y";i:2;s:1:"z";}