phpunit

``````
/**
 *
 * @example test1
   ```php
   <?php
   $a = 1;
   echo "hello $1";
   // > hello 1
   ```
 */
``````

``` php
<?php
class Test1 extends PHPUnit_Framework_TestCase
{
    // ...

    /**
     * @test test1
     */
    public function test1()
    {
        $a = 1;
        $this->assertEquals("hello $1", 'hello 1');
    }

    // ...
}
```
