Ben şu this tutorial bu kodu yazarak edildi:

public function search($term){
    $filter = function($tag) use ($term){
        if(stristr($tag,$term))
            return true;
        return false;
    };
    return array_filter($this->_tags,$filter);
}

Ben Zend Studio 8 hataları şu olsun

syntax error, unexpected '{'
syntax error, unexpected 'function'
syntax error, unexpected 'use'  

However the code works fine on my Xampp with php 5.3.1 - How can I find the version of PHP in Zend Studio, and how can I upgrade it?