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@ 2014-10-19T10:54:25Z

<?php
$text = 'Hello world';
$result = '';
foreach(strsplit($text) as $char) {
  $result .= dechex(ord($char));
}
var_dump("0x" . $result);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
dechex: documentation ( source)
ord: documentation ( source)

preferences:dark modelive preview

37.01 ms | 402 KiB | 5 Q