chr in PHP

The PHP chr() function is utilized to converts a specified ASCII value to character and returns it.

Syntax:

chr(ascii)

ASCII: Required.Define ASCII value.
Note: Octal values are defined by a leading 0, while hex values are defined by a leading 0x.

Example:

<?php
echo chr(55) ."<br />";//Decimal value
echo chr(055) ."<br />";//Octal value
echo chr(0x55) ."<br />";//Hex value
?>

O/P:

7
-
U