Php $\u POST方法从数组中提取并显示结果

因此，我希望表单找到用户搜索的内容，然后通过下面的数组返回搜索结果。这可能吗？我曾试图自己编写php，但我一窍不通

            <form action="result.php" method="post">
            <input type="text" name="country" size="30" id="autocomplete-ajax" placeholder="Search for country, timezone or city and hit enter!" maxlength="30">
            </form>

                <?php
                $countries = array(   
                "AD" => "Andorra",   
                "AE" => "United Arab Emirates",   
                "AF" => "Afghanistan",
                "AG" => "Antiqua and Barbuda",
                "AI" => "Anguilla",
                "AL" => "Albania",          
                "ZZ" => "Unkown or Invalid Region");

                if (isset($_POST[$countries[0]])){
                echo "<p>Correct!</p>";
                }
                if (isset($_POST[$countries[1]])){
                echo "<p>Correct2</p>";
                }
                ?>

您可以用此替换其他ISSET-它将根据数组检查post值
如果（isset（$_POST[“country”]））{
foreach（$k=>c的国家）{
如果（strtolower（$c）==strtolower（trim（$_POST[“country”]））{
回声“正确！
”；
}
}
}

我也有自动完成js，我只希望输入与用户搜索的php数组相匹配。

You could replace the other issets with this - it will check the post values against the array 

   if (isset($_POST["country"])){
        foreach($countries as $k => $c){
            if(strtolower($c) == strtolower(trim($_POST["country"]))){
                 echo "<p>Correct!</p>";
            }
        }
    }