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@ 2017-10-14T12:53:56Z

<?php

$hexData = 0xA;
$str = 45;
$newHex = "0x".dechex($hexData).$str;
echo $newHex.PHP_EOL;
echo hexdec($newHex).PHP_EOL;

Output
Performance
VLD
References
Branches

dechex: documentation ( source)
hexdec: documentation ( source)

preferences:dark modelive previewkey bindings

136.46 ms | 405 KiB | 5 Q