Good Day Everyone, I'm a new PHP coder, and so far I'm liking it a the moment I'm creating a simple blog with a little bit of validation and update and create procedures, to a database that has a table for the blogs created I have created 5 different files:index php, display.php. update.php. create php and auth php, so far my code can insert into the database and can also read from it but when it comes to UPDATE it I'm having a nightmare and I dont understand what i am doing wrong even though I have looked for all types of solutions I will attach my files here, as theres too many of them let me know if someone can help me out any help is kindly apprecciated
Question.zip