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@ 2018-06-11T12:53:35Z

<?php

$test = pack('c*', -22);
$testU = pack('C*', 234);
$testC = chr(-22);
$testCU = chr(234);
echo $test;
echo $testU;
echo $testC;
echo $testCU;
echo $test == $testU;
echo $testC == $test;
echo $testCU == $test;

Output
Performance
VLD
References
Branches

chr: documentation ( source)
pack: documentation ( source)

preferences:dark modelive preview

51.81 ms | 402 KiB | 5 Q