Online PHP editor | rfc for amfBa

@ 2022-03-08T08:09:49Z

<?php
$correctAnswers = [
['name'=> 1, 'value'=> 4],
['name'=> 1, 'value'=> 1],
['name'=> 1, 'value'=> 3],
['name'=> 1, 'value'=> 1],
['name'=> 1, 'value'=> 2]
];

$submittedStudentData =[
[101, 0, 1, 1, 0, 0, 0],
[102, 0, 4, 1, 3, 1, 2],
[103, 0, 4, 1, 0, 0, 0],
[104, 0, 0, 1, 0, 0, 0],
[105, 0, 0, 0, 0, 0, 0]
];

if(!is_array($submittedStudentData))
{
    $submittedStudentData = json_decode($submittedStudentData);
}

$s_data = [];
for ($index = 0, $c = count($submittedStudentData); $index < $c; $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, $x = count($studentData) ; $i < $x; $i++) 
{
   if ((int)$studentData[$i] === (int)$correctAnswers[$i - 2]["value"])
  {
    $totalResult++;
  }
}

    $s_data[] = ['studentId' =>$studentId, 'scores'=>$totalResult];

// final result for this student

}

usort($s_data, function($k, $v) {
    return $v['scores'] <=> $k['scores'];
});

foreach($s_data as $d)
{
    echo 'Student with roll number '. $d['studentId'] .' scores '. $d['scores']."\n";

}
?>

Output for git.master, git.master_jit, rfc.property-hooks: Student with roll number 102 scores 5 Student with roll number 103 scores 2 Student with roll number 101 scores 1 Student with roll number 104 scores 1 Student with roll number 105 scores 0

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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