from is a keyword in SQL. You may not used it as a column name without quoting it. In MySQL, things like column names are quoted using backticks, i.e. `from`. Personally, I wouldn’t bother; I’d just rename the column. PS. as pointed out in the comments, to is another SQL keyword so it needs to … Read more
You can simply do the following :
Is your query returning array or object? If you dump it out, you might find that it’s an array and all you need is an array access ([]) instead of an object access (->).
In your detail.php use: $id = $_GET[‘id’]; you can then use $id around the rest of your page.
Sure you just need to setup a local web server. Check out XAMPP: http://www.apachefriends.org/en/xampp.html That will get you up and running in about 10 minutes. There is now a way to run php locally without installing a server: https://stackoverflow.com/a/21872484/672229
Use INSERT IGNORE INTO table. There’s also INSERT … ON DUPLICATE KEY UPDATE syntax, and you can find explanations in 13.2.6.2 INSERT … ON DUPLICATE KEY UPDATE Statement. Post from bogdan.org.ua according to Google’s webcache: 18th October 2007 To start: as of the latest MySQL, syntax presented in the title is not possible. But there … Read more
This will work. You should call it like this: It is important to know that if you are using === operator compared types have to be exactly same, in this example you have to search string or just use == instead ===. Based on angoru answer. In later versions of PHP (>= 5.5.0) you can … Read more
Ubuntu 16.04 comes with PHP7 as the standard, so there are no PHP5 packages However if you like you can add a PPA to get those packages anyways: Remove all the stock php packages List installed php packages with dpkg -l | grep php| awk ‘{print $2}’ |tr “\n” ” ” then remove unneeded packages … Read more
This error you are receiving: SQLSTATE[HY093]: Invalid parameter number: parameter was not defined is because the number of elements in $values & $matches is not the same or $matches contains more than 1 element. If $matches contains more than 1 element, then the insert will fail, because there is only 1 column name referenced in … Read more
The correct way to avoid SQL injection attacks, no matter which database you use, is to separate the data from SQL, so that data stays data and will never be interpreted as commands by the SQL parser. It is possible to create SQL statement with correctly formatted data parts, but if you don’t fully understand … Read more