How to convert php int to byte

How to convert php int to byte: 1. Create a PHP sample file; 2. Pass "$i = 123456;$ar = unpack("C*", pack("L", $i) );" statement can be converted.

The operating environment of this article: Windows7 system, PHP7.1 version, DELL G3 computer

How to convert php int to byte?

PHP integer type (int) to byte set (byte)

The code is as follows:

$i = 123456;
$ar = unpack("C*", pack("L", $i));

pack() function loads data into a binary string.

The unpack() function unpacks data from a binary string.

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