Generate Salt and Encrypt Password

Read the title.

function encrypt_password($password = '', $salt = '') {
if($password == '') {
		$password = rand(10000,99999);
	}
	return md5(trim($password).$salt);
}
		
function generate_salt($length = 12, $salts = '') {
	  $str = '';
	  $l = 0;
	  while ($l < $length) {
		$l = strlen($str);
		$str .= hash('md5', 'h3Ts81j2F7MYgRr776Zf2yBzvWz4eo9u' . time() . uniqid(true) . $salts);
 }
$str = base64_encode($str);
	$str = strlen($str) > $length ? substr($str, 0, $length) : $str;
	return trim(strtr($str, '/+=', '   '));
}

function encrypt_password($password = '', $salt = '') {

if($password == '') {

$password = rand(10000,99999);

}

return md5(trim($password).$salt);

}

function generate_salt($length = 12, $salts = '') {

$str = '';

$l = 0;

while ($l < $length) {

$l = strlen($str);

$str .= hash('md5', 'h3Ts81j2F7MYgRr776Zf2yBzvWz4eo9u' . time() . uniqid(true) . $salts);

}

$str = base64_encode($str);

$str = strlen($str) > $length ? substr($str, 0, $length) : $str;

return trim(strtr($str, '/+=', ' '));

}