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run code in 300+ PHP versions simultaneously

@ 2014-03-25T14:43:52Z

<?php

function get_likes_per_user($u_id, $force_db = false) {
    if ($this->memcache) {
        $u_id = intval($u_id);
        $key = 'liked_news_' . $u_id;
        $res = $this->memcache->get($key);
        if ($res != '') {
            $res = unserialize($res);
        }
        // This line causes a syntax error for no obvious reason
        if(!is_array($res) || $force_db){ 
            $res = array();

            $sql = "...";
            $uu_query = $this->datenbank->query_result($sql);
            while ($row = $uu_query->fetch_row()) {
                $res[] = $row['uu_id'];
            }
            $this->memcache->set($key, serialize($res), 0, 3600);
        }
        return $res;
    } else {
        throw new Exception("Kein Memcache Objekt!");
    }
}

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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