How to remove unnecessary spaces in string with PHP?

To remove unnecessary spaces in your aplication string, simply use PHP's native trim function. This function returns a string with spaces removed from the beginning and end. To remove trailing-only spaces, simply use rtrim function and, to remove leading-only spaces, simply use ltrim function.

How and when to use this feature?

This feature is ideal for use in forms on websites, as some users add some spaces to test if they are typing in the correct field. This function also ensures that you do not add unnecessary characters to the database. Avoiding unnecessary use of database memory is highly recommended!

Bibliography:
https://www.php.net/manual/en/function.trim.php
Post Published in 27-02-2025