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PHP Quiz PHP CertificatePHP chop() Function
Example
Remove characters from the right end of a string:
<?php
$str = "Hello World!";
echo $str . "<br>";
echo chop($str,"World!");
?>
$str = "Hello World!";
echo $str . "<br>";
echo chop($str,"World!");
?>
Run example »
Definition and Usage
The chop() function removes whitespaces or other predefined characters from the right end of a string.
Syntax
chop(string,charlist)
| Parameter | Description |
|---|---|
| string | Required. Specifies the string to check |
| charlist | Optional. Specifies which characters to remove from the
string. The following characters are removed if the charlist parameter is empty:
|
Technical Details
| Return Value: | Returns the modified string |
|---|---|
| PHP Version: | 4+ |
| Changelog: | The charlist parameter was added in PHP 4.1.0 |
More Examples
Example 1
Remove newlines (\n) from the right end of a string:
<?php
$str = "Hello World!\n\n";
echo $str;
echo chop($str);
?>
$str = "Hello World!\n\n";
echo $str;
echo chop($str);
?>
The HTML output of the code above will be (View Source):
<!DOCTYPE html>
<html>
<body>
Hello World!
Hello World!
</body>
</html>
<html>
<body>
Hello World!
Hello World!
</body>
</html>
The browser output of the code above will be:
Hello World! Hello World!
Run example »
Complete PHP String Reference
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