How to use pack() Function In PHP
The pack() function is used to pack data into a binary string. Using the format character C*, we can convert an array of bytes into a string.
Example: Below are the approaches to convert byte array to string in PHP:
<?php
$byteArr = [
72, 101, 108, 108, 111, 32,
87, 111, 114, 108, 100
];
$str = pack("C*", ...$byteArr);
echo $str;
?>
Output
Hello World
Explanation:
- C* is the format character for unsigned char (byte).
- …$byteArray unpacks the array elements as individual arguments to pack.
How to Convert Byte Array to String in PHP?
Given a Byte Array, the task is to convert the byte array to a String in PHP. It is used in various scenarios, such as processing binary data, handling file uploads, or working with data transmission protocols.
Below are the approaches to convert byte array to string in PHP:
Table of Content
- What is a Byte Array?
- Using implode() Function
- Using pack() Function
- Using chr() Function in a Loop
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