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run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = "abcdefg"; function strrevv($str) { $len=strlen($str); $newstr = ''; for($i=$len;$i>=0;$i--) { $newstr .= $str{$i}; } return $newstr; } $showstr = strrevv($str); echo $showstr."<br>";
Output for 5.2.10 - 5.6.28, 7.0.0 - 7.1.0
Notice: Uninitialized string offset: 7 in /in/jPfGF on line 10 gfedcba<br>
Output for hhvm-3.10.0 - 3.12.0
gfedcba<br>
Output for 4.3.0 - 5.2.9
Notice: Uninitialized string offset: 7 in /in/jPfGF on line 10 gfedcba<br>