How to remove white space from string in PHP?

Sometimes we require to remove white space from given string. So at that time you can delete spaces from string using str_replace() of core php. str_replace() will help to replace whitespace that way we can remove. you can do it from bellow example.

Example:

$myString = "this is only for you";
$resultString = str_replace(' ', '', $myString);
print_r($resultString);