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@ 2014-09-26T05:24:57Z

<?php


 $string  = "abcdefghijklmnopqrstuvwxyz"; // just used as an example

    // $string becomes "badcfehgjilknmporqtsvuxwzy"

    $now_in_pairs = str_split($string, 2);

    $reverse = array_map('strrev', $now_in_pairs);

    foreach($reverse as $r)   { 

    $new_string .= $r;  

    }

    echo $new_string;

Output
Performance
VLD
References
Branches

array_map: documentation ( source)
str_split: documentation ( source)

preferences:dark modelive preview

37.85 ms | 402 KiB | 5 Q