How to convert binary to hex string in php

php method to convert binary to hex string: 1. Use the bindec() and dechex() functions, the syntax is "dechex(bindec($unm))". 2. Use the base_convert() function, the syntax is "base_convert($unm, 2, 16)".

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

php will convert binary hex (hexadecimal) string

Method 1: Use the bindec() and dechex() functions--decimal to make the intermediate amount

<?php
$a="11110";
$b=bindec($a);
$c=dechex($b);
echo $c;
?>

Output result:

1e

bindec() can convert binary numbers to decimal numbers.

dechex() function can convert decimal numbers to hexadecimal numbers.

Method 2: Use base_convert() function

<?php
$a="11110";
echo base_convert($a, 2, 16);
?>

Output result:

1e

base_convert(number, original base, to be converted base) function converts numbers between any bases.

Recommended learning: "PHP Video Tutorial"

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