Student Gradebook System
A PHP program that manages and displays a list of students, their subjects, and grades. The program should use loops, functions, associative & multidimensional arrays, and string manipulation.
Accepts an array of grades, returns the average.
Returns "Passed" if average ≥ 75, else "Failed".
Converts names to uppercase using string manipulation.
Add a search function to find a student by name.
Allow adding a new student with grades.
Display the top performer based on the highest average.