write a program to calculate grade in PHP

User can enter the commands:

a Enter an assessment

r Print the Report

q Quit the program

Requirements:

If the student is absent for assessments that more than 30% of the weighted total of the exams they receive a UN regardless of their weighted average.

If the student achieves 50% or greater weighted average then they pass.

If the student achieves less than 50% weighted average then they fail.

Example of entering assessments:

Please enter your command in the form of (a, r, q): a

Please enter the name of the assessment: quiz 1

Please enter the number of points for the assessment: 10

Was the student absent? (y/n): n

Please enter the student's score for the assessment: 6

Please enter your command in the form of (a, r, q): a

Please enter the name of the assessment: quiz 2

Please enter the number of points for the assessment: 10

Was the student absent? (y/n): n

Please enter the student's score for the assessment: 4

Please enter your command in the form of (a, r, q): a

Please enter the name of the assessment: quiz 3

Please enter the number of points for the assessment: 10

Was the student absent? (y/n): y

The student has been marked absent for this assignment.

Print report:

-------------------------

Assignment: quiz 1

Total Points: 10

Total Score: 6

Missed: n

---------------------------

Assignment: quiz 2

Total Points: 10

Total Score: 4

Missed: n

---------------------------

Assignment: quiz 3

Total Points: 10

Total Score: 0

Missed: y

-------------------------

Final Report

Weighted Average: 33%

Missed Percentage: 33%

Outcome: UN