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Tag Functionality

I have an html form that I want to also have an input field for a user to add tags separated by commas such as this form here on experts-exchange.

I'm not sure how to insert it into the database though as I would want one tag per row in the database not one row with all the tags still separated by commas. Is there a better way to do this?
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Nathan Riley
Asked:
Nathan Riley
1 Solution
 
Chris StanyonCommented:
Have a look through this:

//connect to your database
$conn = new PDO('mysql:host=localhost;dbname=yourDB', 'username', 'password');

//create your INSERT query string with a named parameter
$sqlStr = "INSERT INTO tagsTable (tagColumn) VALUES (:tag)";

//prepare the query
$InsertTags = $conn->prepare($sqlStr);

//split the POST['tags'] value on a comma
$tags = explode(",", $_POST['tags']);

//loop through the tags
foreach ($tags as $tag) {
	//insert each tag into the database
	$InsertTags->execute(array('tag'=> trim($tag)));
}

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It assumes you pass your tags through the POST['tags'] field. Any questions, ask away
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