<?php

// PHP program to show sorting of 

// array of objects by object fields

// School Data array

$gfg_array = array(

    array(

        'score' => '100',

        'name' => 'Sam',

        'subject' => 'Data Structures'

    ),

    array(

        'score' => '50',

        'name' => 'Tanya',

        'subject' => 'Advanced Algorithms'

    ),

    array(

        'score' => '75',

        'name' => 'Jack',

        'subject' => 'Distributed Computing'

    )

);

// Class for encapsulating school data

class geekSchool {

    var $score, $name, $subject;

    // Constructor for class initialization

    public function geekSchool($data) {

        $this->name = $data['name'];

        $this->score = $data['score'];

        $this->subject = $data['subject'];

    }

}

// Function to convert array data to class object

function data2Object($data) {

    $class_object = new geekSchool($data);

    return $class_object;

}

// Comparator function used for comparator

// scores of two object/students

function comparator($object1, $object2) {

    return $object1->score > $object2->score;

}

// Generating array of objects

$school_data = array_map('data2Object', $gfg_array);

// Printing original object array data

print("Original object array:\n");

print_r($school_data);

// Sorting the class objects according 

// to their scores

usort($school_data, 'comparator');

// Printing sorted object array data

print("\nSorted object array:\n");

print_r($school_data);

?>