How to convert asc to string in php

php method to convert asc to character: 1. Create a PHP sample file; 2. Implement it through the code "$i = 65;$ch = chr($i);var_dump($ch);" Just convert ASCII code to characters.

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

php How to convert asc to string ?

PHP - Conversion between ASCII code and characters

ASCII code to character:

<?php
$i = 65;
$ch = chr($i);
var_dump($ch);
?>

string 'A' (length=1)

Character conversion to ASCII code:

<?php
$ch = &#39;A&#39;;
$i = ord($ch);
var_dump($i);
?>

int 65

Recommended learning: "PHP Video Tutorial"

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