mysqli - I'm getting a PHP error which is stopping me from inserting data

Question

This question already has an answer here: question from:https://stackoverflow.com/questions/65941237/im-getting-a-php-error-which-is-stopping-me-from-inserting-data

Answer 1

The prepare() returns false when you have error in your query.

Check if the table or columns name are correct.

$stmt = $this->con->prepare("INSERT INTO table(name, quantity) VALUES (?,?)");

Use Capital INSERT INTO this should not be the issue though but you can try.