PHP chop Function

The PHP chop function is used to remove white-space or other characters from the right end of a string. This is an alias of rtrim() function and is case-sensitive.

Syntax

chop( string, chars_to_remove);

• Case sensitive.
• chars_to_remove is optional.
• string is a required parameter.

If no characters to remove is specified (the second parameter is not specified), the following characters will be removed from the end of the string.

• ” ” – White-space.
• “\t” – A tab.
• “\n” – A new line.
• “\r” – a carriage return.
• “\0” – the NULL-byte.
• “\x0B” – a vertical tab.

Example 1

<?php
    $data = "PHP Chop will remove pre defined chars if second parameter is not specified        \n";
    echo chop($data);
?>

Output

PHP Chop will remove pre defined chars if second parameter is not specified

Example 2

<?php
    $data = "PHP Chop";
    echo chop($data, "Chop");
    echo "<br>"; //New line
    echo chop($data, "chop"); //C will not be removed
?>

Output

PHP
PHP C

Learn more about other PHP string handling functions.