Definition
The rtrim() function removes whitespace or other predefined characters from the right side of a string.
Syntax
rtrim(string, charlist)
Parameters
| Parameter | Description |
|---|---|
string |
Required. Specifies the string to check. |
charlist |
Optional. Specifies which characters to remove from the string. If omitted, all of the following characters are removed:"\0" - null"\t" - tab"\n" - new line"\x0B" - vertical tab"\r" - carriage return" " - ordinary white space |
Example
<?php
$hello = "Hello World! ";
echo "Without rtrim: " . $hello;
echo "<br>";
echo "With rtrim: " . rtrim($hello);