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@ 2018-01-23T22:25:22Z

 <?php
 $val = 'DANIEL123';
 var_dump($val);
 $val = str_pad($val, 
        (16 * (
                floor(strlen($val) / 16) + (
                    strlen($val) % 16 == 0 ? 2 : 1
                )
               )
           ), 
   chr(16 - (strlen($val) % 16)
)
);

var_dump($val);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
chr: documentation ( source)
floor: documentation ( source)
str_pad: documentation ( source)

preferences:dark modelive preview

57.96 ms | 402 KiB | 5 Q