PHP Tutorial - PHP chop() Function






Definition

The chop() function removes whitespaces or other predefined characters from the right end of a string.

Syntax

PHP chop() function has the following syntax.

chop(string,charlist)

Parameter

Parameter Is Required Description
string Required.String to check
charlist Optional. Which characters to remove from the string.

The following characters are removed if the charlist parameter is empty:

  • "\0" - NULL
  • "\t" - tab
  • "\n" - new line
  • "\x0B" - vertical tab
  • "\r" - carriage return
  • " " - ordinary white space




Return

PHP chop() function returns the modified string

Example

Remove characters from the right end of a string:


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

The code above generates the following result.

Example 2

Remove newlines (\n) from the right end of a string:


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

The code above generates the following result.