3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "abcdefg"; function strrevv($str) { $len=strlen($str); $newstr = ''; for($i=$len-1;$i>=0;$i--) { $newstr .= $str{$i}; } return $newstr; } $showstr = strrevv($str); echo $showstr,"<br/>";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/EtuX7 on line 10
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/EtuX7 on line 10 gfedcba<br/>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33
gfedcba<br/>
preferences:
251.25 ms | 404 KiB | 358 Q