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@ 2014-03-03T09:43:56Z

<?php
$str = "abcdefghijklmn";
$print = strrev($str);
$st="";
for($i = 0;$i<$print.length;$i=$i+2)
{
    if($i < $print.length - 1)
$st .= substr($print,$i,$i+1);

echo $st;

}

Output
Performance
VLD
References
Branches

substr: documentation ( source)
strrev: documentation ( source)

preferences:dark modelive preview

31.4 ms | 402 KiB | 5 Q