Question

Hi I have tags in my database in a row called tags. They are separated by commas.

For example, they are stored in the database as tag1,tag2,tag3.

I want to retrieve them from the database and display them one by one separately and before displaying each tag, I want to link it to a URL.

Here’s what I am doing so far,

$keywords = strip_tags($blog_query_results['keywords']); //Retrives the tags from the database

echo wordwrap(stripslashes($keywords), 65, "<br>",true); // this prints tag1,tag2, and so on.

While printing them I want to link tag1, tag2, and tag3 to different URLS.

Answer 1

If you have a string like this :

$tags = 'tag1,tag2,tag3';

You can use the explode() function to get an array of tags :

$arr = explode(',', $tags);

And, then, just iterate over that array, to build a link for each item — typically, using foreach() :

foreach ($arr as $t) {
    echo '<a href="...">' . htmlspecialchars($t, ENT_COMPAT, 'UTF-8') . '</a><br />';
}

As a sidenote : your database’s design is probably a bit wrong, if you store more than one information in a single field.

If you have 3 tags for a post, you should have 3 rows (one per tag), either :

• In the tags table,
• Or in a join-table between your posts and tags tables.