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Editorial Team
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Asked: 2026-06-13T11:45:34+00:00

How would I add data from a JSON file with multiple items to mysql?

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How would I add data from a JSON file with multiple items to mysql? Currently, This below creates a new row for each item (game) with the values within $json The only problem is, every row has the same $tagsT when each row should be different because each item has its own unique set of tags.

$json = $_POST['json'];
$result = json_decode($json);
foreach($result as $key => $value) {
    if($value) {

foreach ($value->tags as $tag) { $tagsT .= $tag.','; }
 mysql_query("INSERT INTO `games_db`.`Games` (`title`, `description`, `image`, `category`, `page`, `rating`, `width`, `height`, `tags`) VALUES ('$value->name', '$value->description', '/images/$pageid.jpg', '$category', '$pageid', '$value->rating', '$value->width', '$value->height', '$tagsT')")
}
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1 Answer

  1. Editorial Team

    Clean up the string variable after each loop.

     foreach ($value->tags as $tag) { $tagsT .= $tag.','; }

 mysql_query("INSERT INTO `games_db`.`Games` (`title`, `description`, `image`, `category`, `page`, `rating`, `width`, `height`, `tags`) VALUES ('$value->name', '$value->description', '/images/$pageid.jpg', '$category', '$pageid', '$value->rating', '$value->width', '$value->height', '$tagsT')")

 $tagsT = "";  // reset string

    Else it will obviously keep the previous tags. The scope of a local variable is within a function. It will stay valid even if it wasn’t defined before the foreach.

    Also consider reading a contemporary database tutorial. Search for PDO and prepared statements.

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