How to remove all whitespaces of a string in PHP

In this tutorial, we are going to learn about how to remove the all whitespaces of a string in PHP.

Removing all whitespaces

To remove all whitespaces of a string, we can use the built-in str_replace() method in PHP.

Here is an example:

$str = str_replace(" ","", "hello you can see me without spaces");
echo $str;

Output:

helloyoucanseemewithoutspaces