The output is Student with roll number 101 scores 1 Student with roll number 102 scores 2
I need the output by descending order with scores. Student with roll number 102 scores 2 Student with roll number 101 scores 1
<?php $correctAnswers = [ ['name'=> 1, 'value'=> 4]' ['name'=> 1, 'value'=> 1] ]; $submittedStudentData =[ [101, 0, 1, 1], [102, 0, 4, 1] ]; if(!is_array($submittedStudentData)) { $submittedStudentData = json_decode($submittedStudentData); } for ($index = 0; $index < count($submittedStudentData); $index++){ // get each student data $studentData = $submittedStudentData[$index]; // get the student roll number $studentId = $studentData[0]; // initialize the total result with zero pre value $totalResult = 0; // loop through the student's submitted answer for ($i = 2; $i < count($studentData); $i++) { if ((int)$studentData[$i] === (int)$correctAnswers[$i - 2]["value"]) { $totalResult++; } } // final result for this student echo 'Student with roll number '. $studentId .' scores '. $totalResult."\n"; } ?>
for
for ($index = count($submittedStudentData) - 1; $index >= 0; $index--)
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