Blog : PHP rtrim() Function
PHP rtrim() Function
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Complete PHP String Reference
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Definition and Usage
The rtrim() function will remove whitespaces or other predefined character from the right side of a string.
Syntax
rtrim(string,charlist)
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
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Example 1
$str = "Hello World! ";
echo "Without rtrim: " . $str;
echo "
";
echo "With rtrim: " . rtrim($str);
?>
The browser output of the code above will be:
Without rtrim: Hello World!
With rtrim: Hello World!
If you select "View source" in the browser window, you will see the following HTML:
Without rtrim: Hello World!
With rtrim: Hello World!
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Example 2
$str = "Hello World!\r\n";
echo "Without rtrim: " . $str;
echo "
";
echo "With rtrim: " . rtrim($str);
?>
The browser output of the code above will be:
Without rtrim: Hello World!
With rtrim: Hello World!
If you select "View source" in the browser window, you will see the following HTML:
Without rtrim: Hello World!
With rtrim: Hello World!