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php Programming Glossary: selectedstudentanswerqryHow to create a dynamic WHERE clause http://stackoverflow.com/questions/14540135/how-to-create-a-dynamic-where-clause _POST 'answerSubmit' we have subbmited the third form selectedstudentanswerqry SELECT StudentAlias StudentForename StudentSurname q.SessionId.. o ON q.OptionId o.OptionId if _POST 'student' 'All' selectedstudentanswerqry . WHERE SessionId AND StudentId if _POST 'question' 'All' selectedstudentanswerqry.. . WHERE SessionId AND StudentId if _POST 'question' 'All' selectedstudentanswerqry . WHERE SessionId AND QuestionId selectedstudentanswerqry ...
How to create a mysqli dynamic WHERE clause http://stackoverflow.com/questions/14543081/how-to-create-a-mysqli-dynamic-where-clause on the options the user has chose from both drop downs. selectedstudentanswerqry SELECT StudentAlias q.SessionId QuestionNo QuestionContent o.OptionType.. global mysqli selectedstudentanswerstmt mysqli prepare selectedstudentanswerqry You only need to call bind_param once selectedstudentanswerstmt..
Errors appearing in mysqli code and call_user_func_array() http://stackoverflow.com/questions/14544657/errors-appearing-in-mysqli-code-and-call-user-func-array CHOSEN IN STUDENT AND QUESTION NUMBER DROP DOWN MENU selectedstudentanswerqry SELECT StudentAlias StudentForename StudentSurname q.SessionId.. we need a WHERE clause in our query if empty where selectedstudentanswerqry . ' WHERE ' . implode ' AND ' where global mysqli selectedstudentanswerstmt.. global mysqli selectedstudentanswerstmt mysqli prepare selectedstudentanswerqry You only need to call bind_param once call_user_func_array..
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