Strings
PHP Manual

rtrim

(PHP 4, PHP 5)

rtrim — Strip whitespace (or other characters) from the end of a string

Descrierea

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

This function returns a string with whitespace stripped from the end of str .

Without the second parameter, rtrim() will strip these characters:

Parametri

str

The input string.

charlist

You can also specify the characters you want to strip, by means of the charlist parameter. Simply list all characters that you want to be stripped. With .. you can specify a range of characters.

Valorile întroarse

Returns the modified string.

Istoria schimbărilor

Versiunea Descriere
4.1.0 The charlist parameter was added.

Exemple

Example#1 Usage example of rtrim()

<?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);

?>

Exemplul de mai sus va afişa:

string(32) "        These are a few words :) ...  "
string(16) "    Example string
"
string(11) "Hello World"

string(30) "        These are a few words :) ..."
string(26) "        These are a few words :)"
string(9) "Hello Wor"
string(15) "    Example string"

Vedeţi de asemenea


Strings
PHP Manual