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PHP chop() Function

PHP String Reference Complete PHP String Reference

Definition and Usage

The chop() function will remove a white space or other predefined character from the right end of a string.

This function is an alias of the rtrim() function.

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 allowed and is set to be removed if the charlist parameter is empty:
  • "\0" - ASCII 0, NULL
  • "\t" - ASCII 9, a tab
  • "\n" - ASCII 10, a new line
  • "\x0B" - ASCII 11, a vertical tab.
  • "\r" - ASCII 13, a carriage return
  • " " - ASCII 32, an ordinary white space

Example

In this example we will use the chop() function to remove characters from the right end of a string:

<?php
$str = "Hello World!\n\n";
echo $str;
echo chop($str);
?>

The source output of the code above will be:

<html>

<body>
Hello World!

Hello World!</body>

</html>

The browser output of the code above will be:

Hello World! Hello World!

PHP String Reference Complete PHP String Reference
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