rtrim() - string

This function returns a string with whitespace (or other characters) stripped from the
   end of str.

Parameters : 
 str - The input string. 
 character_mask - You can also specify the characters you want to strip, by means
       of the character_mask parameter.
       Simply list all characters that you want to be stripped. With
       .. you can specify a range of characters. 

Syntax

string rtrim
    ( string $str
   [, string $character_mask
  ] )

Example

<?php$text = "\t\tThese are a few words :) ...  ";$binary = "\x09Example string\x0A";$hello  = "Hello World";var_dump($text, $binary, $hello);print "\n";$trimmed = rtrim($text);var_dump($trimmed);$trimmed = rtrim($text, " \t.");var_dump($trimmed);$trimmed = rtrim($hello, "Hdle");var_dump($trimmed);// trim the ASCII control characters at the end of $binary// (from 0 to 31 inclusive)$clean = rtrim($binary, "\x00..\x1F");var_dump($clean);?>

Output / Return Value

Limitations

Alternatives / See Also

Reference