-50%	http://www.baidu.com
-50%	This is a small string
+9.09%	THIS IS A SMALL STRING
-48.15%	Nothing is more difficult, and therefore more precious, than to be able to decide
-45.24%	http://github.com/antirez/smaz/tree/master
-15.38%	1000 numbers 2000 will 10 20 30 compress very little
+0%	good
+25%	luck
+7.41%	好好学习，天天向上
+2.9%	白日依山尽，黄河入海流，欲穷千里目，更上一层楼

require from composer

1. composer require zhenhao/smaz
2. try...
<?php
include "vendor/autoload.php";

$str = 'http://www.baidu.com';
$x = Smaz::encode($str);
var_dump($x, strlen($x));
$t = Smaz::decode($x);
var_dump($t, strlen($t));