How to remove commas at the end of string in php

php method to remove commas at the end of a string: You can use the built-in function rtrim() to achieve this. The rtrim() function can remove blank characters or other predefined characters at the end of the string and return the modified String, for example: [rtrim($str)].

Related function introduction:

rtrim() function removes blank characters or other predefined characters on the right side of the string and returns modified String.

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Syntax:

rtrim(string,charlist)

Parameter description:

• string Required. Specifies the string to check.

• charlist Optional. Specifies which characters are removed from a string.

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Code example:

<?php
$str = "Hello World!,,,";
echo "Without rtrim: " . $str;
echo "<br>";
echo "With rtrim: " . rtrim($str);
?>

Running results:

Without rtrim: Hello World,,,!
With rtrim: Hello World!

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