How to Strip all Spaces out of a String in PHP
In this tutorial, we represent to you the most efficient ways of stripping all spaces out of a string in PHP. Below you can find the options depending on the exact requirements.
A. Applying str_replace for Only Spaces
If your goal is to strip just spaces out of a string, then you can use str_replace as shown below:
$string = str_replace(' ', '', $string);
B. Applying preg_replace for Whitespace
In case you are interested in stripping whitespace, as well as line ends and tabs, then you need to implement preg_replace like this:
$string = preg_replace('/\s+/', '', $string);
Describing the str_replace Function
The str_replace function is used for replacing all the occurrences of the search string with replacement strings. It can return a string either an array, along with all the occurrences of the search in subject replaced with the exact replace value.
Describing the preg_replace
preg_replace is used for implementing a regular expression search and replacement.
It is capable of returning either an array or a string.