PHP chop() Function
Example
Remove characters from the right end of a string:
<?php
$str = "Hello World!";
 echo $str . "<br>";
echo chop($str,"World!");
?>
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Definition and Usage
The chop() function removes whitespaces or other predefined characters from the right end of a string.
Syntax
chop(string,charlist)
Parameter Values
| 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
Remove newlines (\n) from the right end of a string:
 <?php
$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>
The browser output of the code above will be:
 Hello World! Hello World!
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❮ PHP String Reference