PHP function to remove all character which are not alphabets or numbers

Here is the php function to remove all character which are not alphabets or numbers to remove the white space just pass the param $removeSpace as 1 function removeNonAlphaNumero( $str , $removeSpace = 0 ){ $return_string = ""; if( trim($str) != "" ){ if($removeSpace ) $return_string = preg_replace("/[^a-zA-Z0-9]/", "", $str); else $return_string = preg_replace("/[^a-zA-Z0-9\s]/", "", $str); } return $return_string; }
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