php remove instead of converting special symbols code example

Example 1: php strip out special characters

function clean($string) {
   $string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens.

   return preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars.
}

Example 2: Remove Special Character in PHP

phpCopy<?php
$str = "geeks";
$str = ltrim($str, 'g');
echo $str;
?>