rtrim()
Published May 1, 2023Updated May 15, 2024
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The rtrim()
function removes whitespace or other predefined characters from the right side of a string.
Syntax
rtrim($string, $charlist)
The
$string
parameter is the string from which characters are removed.The
$charlist
parameter specifies which characters to remove from the string. If omitted, then the following characters are removed from the right side (if applicable):\0
- NULL\t
- tab\n
- new linex0B
- vertical tab\r
- carriage return" "
- space
Example
The following example removes specified characters from the right side of a string:
<?php$str = "Hello World!\n";echo "Without rtrim: " . $str;echo "With rtrim: " . rtrim($str, "World!\n");?>
This results in the following output:
Without rtrim: Hello World!With rtrim: Hello
Codebyte Example
The following runnable example removes whitespaces from the right side of the string:
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