PHP: rtrim() function

Last update on August 19 2022 21:51:16 (UTC/GMT +8 hours)

Description

The rtrim() function is used to remove the whitespaces and other predefined characters from the right side of a string.

Version:

(PHP 4 and above)

Syntax:

rtrim(string_name, char_list)

Parameter:

Name	Description	Required / Optional	Type
string_name	The string that will be trimmed.	Required	String
char_list	Specifies which character to remove from the string. Without this parameter, the function removs the following characters. " " an ordinary space "\0" - the NUL-byte \t" - tab \n" - line feed \x0B" - a vertical tab "\r" - a carriage return	Optional	String

Return value:

Returns the modified string.

Value Type: String.

Pictorial Presentation

php-string-rtrim()

Example:

<?php
$text1="w3resource.com  ";
$text2="w3resource.com\t\t";
$text3="\t\tw3resource.com\x0A";
$text4="Good Morning"; 
$trimmed_text=rtrim($text1);
var_dump($trimmed_text);
echo '<br>';
$trimmed_text=rtrim($text2);
var_dump($trimmed_text);
echo '<br>';
$trimmed_text=rtrim($text3);
var_dump($trimmed_text);
echo '<br>';
$trimmed_text=rtrim($text1,'w3');
var_dump($trimmed_text);
echo '<br>';
$trimmed_text=rtrim($text4,"ng");
var_dump($trimmed_text);
?>

Output :

string(14) "w3resource.com"
string(14) "w3resource.com"
string(16) "w3resource.com"
string(16) "w3resource.com"
string(10) "Good Morni"

View the example in the browser

See also

PHP Function Reference

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