special characters remove from strin in php code example

Example 1: remove space from string php

<?php
$stripped = str_replace(' ', '', "10 1000 0000 000");
echo $stripped;

Example 2: php remove everything after character

$fullpath = 'folderName/file.ext';
$folder = substr($fullpath, 0, strpos($fullpath, '/'));
echo $folder;
// Output => folderName