Use more placeholders in WHERE statement after IN statement with arrays

I need more placeholders to be added to the following query. Is this possible? I have no idea where to begin and I can not find any options on the Internet. The query now: $in2 = str_repeat(‘?,’, …

PHP – mysqli_stmt_execute() always returns false

Good afternoon, I am building a calculator, using JS and PHP, and need to INSERT the results and other things to a database. I am using prepared statements to achieve that, but for some reason, I am …

MYSQL prepared statment query not matching WRITTERID with WRITTER

I am trying to query a mysql statement to give match the writterid and writter in a drop down. How should i set this up because everything looks correct? I have already made the non-prepared …

Custom mysqli prepare function

I’m doing my first own database class at the moment and currently I’m doing the prepare function. What this function does is to take in an SQL-query and then an array containing the variables for the …

How to get the SQL_CALC_FOUND_ROWS value using prepared statements?

I’m currently scratching my head at how to implement SQL_CALC_FOUND_ROWS with prepared statements. I’m writing a pagination class and obviously i want to add LIMIT to the query but also find what the …