Remove spaces between two string

In PHP we have so many functions which are related to strings. The below examples explains how to remove the spaces between string.

1. str_replace

2. preg_replace.

str_replace:

This replaces the empty spaces. this can be used partially.
Example:
$string = str_replace(' ', '', $string);

preg_replace:


This will replace the nth spaces and removes the white spaces within all the string.

Example:


$string = preg_replace('/\s+/', '', $string);