php if convert string to binary

青灯夜游
Release: 2023-03-15 19:00:01
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php method to convert a string into binary: 1. Use the bin2hex() function to convert the string into a hexadecimal value, the syntax is "bin2hex (string)"; 2. Use base_convert() to convert the 16 To convert a hexadecimal value to binary, the syntax is "base_convert(hexadecimal value,16,2)".

php if convert string to binary

The operating environment of this tutorial: windows7 system, PHP version 8.1, DELL G3 computer

In PHP, strings cannot be converted directly into binary, but you can use hexadecimal to convert it.

  • First use the bin2hex() function to convert the string into hexadecimal

  • Then use the base_convert() function to convert the hexadecimal value is binary.

Implementation method:

<?php
header(&#39;content-type:text/html;charset=utf-8&#39;);   
$str="Hello";
$hex=bin2hex($str);
echo "16进制值为:".$hex;
$binary=base_convert($hex,16,2);
echo "<br>2进制值为:".$binary;
?>
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php if convert string to binary

Description:

base_convert(number,frombase,tobase) The function can convert numbers between any bases.

Parameter Description
number Required. Specifies the number to be converted.
frombase Required. Specifies the original base of the number. Between 2 and 36 (inclusive). Numbers above decimal are represented by the letters a-z, such as a for 10, b for 11, and z for 35.
tobase Required. Specifies the base to be converted. Between 2 and 36 (inclusive). Numbers above decimal are represented by the letters a-z, such as a for 10, b for 11, and z for 35.

Recommended study: "PHP Video Tutorial"

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