PHP制作基本的产品搜索表格

Question

So I have been working on this thing for a while and am stuck. Basically I currently have an excel sheet with 2 basic colmns the first has a list of old products and the 2nd column has the new product that replaces them. I have been working to setup a simple php site where I can type the Old product in and it will state the replacment. I started out by using arrays where I set the array as the product and all of the keys in the array are the various old products and it looks like this:

$search = $_POST["search"];
$newprod = array("prod1", "prod2", "prod3");

echo "You searched for the $search<BR>";
echo "This can be replace with these:";

if (in_array("$search", $newprod)) {
    echo "NewProdName";
}

So this worked fine when I used it for a few different products but on the products that have long lists of old products the server doesn't like the array having too many keys so it just stops reading it and gives an error for the page. Is there a better way or doing this. I know there is a better more complex way I am just wanting this to be a simple thing that i can figure out and expand on later when I am better with php.

Answer 1

Try this

You shouldn't put the variable in quotes.

if (in_array($search, $newprod)) {
    echo "NewProdName";
}

Answer 2

Remove the quotes from "search"

echo "You searched for the $search<BR>";

Would Become:

echo "You searched for the ".$search."<BR>";

And then

if (in_array("$search", $newprod)) {

Would Become:

if (in_array($search, $newprod)) {