How to Remove the Last Character from a PHP String

In this tutorial, You will learn how to remove last character from string in PHP.

How to Remove the Last Character from a PHP String

There are different ways to remove the last character from a string, depending on the specific use case and the nature of the string:

Method 1: Using substr method

You can use the substr method of PHP to remove the last character from the string.

The syntax of subster method is given below:

substr($string, 0, -1);

Here is code using substr:

 $string = "Hello World!";
 echo "Given string: " . $string . "\n";
 echo "Updated string: " . substr($string, 0, -1) . "\n"; 

Output

 Given string: Hello World!
 Updated string: Hello World

Method 2: Using substr_replace method

You can also use substr_replace to remove the last character from the string in PHP.

The basic syntax of substr_replace function is:

substr_replace($string ,"", -1);

Here is an example code:

 $string = "Hello World!";
 echo "Given string: " . $string . "\n";
 echo "Updated string: " . substr_replace($string ,"",-1) . "\n";

Output

 Given string: Hello World!
 Updated string: Hello World

Method 3: Using rtrim() Method

The rtrim() method also used to remove the last character from the given string in PHP.

The basic syntax of rtrim() function is:

rtrim($string,'a');

Here “a” is the character that you want to remove in your string.

Here is an example source code:

 $string = "Hello World!";
 echo "Given string: " . $string . "\n";
 echo "Updated string: " . rtrim($string, "!") . "\n";

Output

 Given string: Hello World!
 Updated string: Hello World  

PHP remove the last character from the string if comma?

If you have a comma separate string in PHP and want to remove the last character from the string if comma, you can use PHP rtrim() method like the following:

 $string = "remove comma from end of string php,";
 echo "Given string: " . $string . "\n";
 echo "Updated string: " . rtrim($string, ",") . "\n";

Output

  Given string: remove comma from end of string php,
  Updated string: remove comma from end of string php

Conclusion

In conclusion, you have learned 4 methods to remove last characters from string in php.

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