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How to use PHP chop() Function

The chop() function will remove a white space or other predefined character from the right end of a string. Specifies which characters to remove from the string.
The following characters are allowed and is set to be removed if the charlist parameter is empty:

• "\0" - ASCII 0, NULL
• "\t" - ASCII 9, a tab
• "\n" - ASCII 10, a new line
• "\x0B" - ASCII 11, a vertical tab.
• "\r" - ASCII 13, a carriage return
• " " - ASCII 32, an ordinary white space

Syntax

chop(string,charlist)

Problem

<?php
$str = "Hello World!\n\n";
echo $str;
echo chop($str);
?> 

Solution

Hello World!  Hello World!

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