Online PHP editor | output for kqsQl

@ 2016-08-25T07:50:34Z

<?php

$json = <<<JSON
[{
  "updatedDate": null,
  "active": true,
  "id": 80,
  "lessonName": "HZİ 413 Language in Use",
  "educationDegree": "Lisans",
  "academicYear": "2013-2014",
  "language": "İngilizce",
  "lessonHour": 4,
  "addedDate": "2014-02-21T19:54:23+0000"
}, {
  "updatedDate": null,
  "active": true,
  "id": 81,
  "lessonName": "HZİ 411 English in Context I",
  "educationDegree": "Lisans",
  "academicYear": "2013-2014",
  "language": "İngilizce",
  "lessonHour": 8,
  "addedDate": "2014-02-21T19:53:47+0000"
}, {
  "updatedDate": null,
  "active": true,
  "id": 82,
  "lessonName": "HZİ 512 English in Context II ",
  "educationDegree": "Lisans",
  "academicYear": "2014-2015",
  "language": "İngilizce",
  "lessonHour": 12,
  "addedDate": "2014-02-21T19:52:44+0000"
}]
JSON;

$input = json_decode($json, true);

$groups = [];
$groupBy = 'academicYear';

foreach ($input as $element) {
    if (!array_key_exists($element[$groupBy], $groups)) {
        $groups[$element[$groupBy]] = [];
    }

    $groups[$element[$groupBy]][] = $element;
}

print_r($groups);

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0: Array ( [2013-2014] => Array ( [0] => Array ( [updatedDate] => [active] => 1 [id] => 80 [lessonName] => HZİ 413 Language in Use [educationDegree] => Lisans [academicYear] => 2013-2014 [language] => İngilizce [lessonHour] => 4 [addedDate] => 2014-02-21T19:54:23+0000 ) [1] => Array ( [updatedDate] => [active] => 1 [id] => 81 [lessonName] => HZİ 411 English in Context I [educationDegree] => Lisans [academicYear] => 2013-2014 [language] => İngilizce [lessonHour] => 8 [addedDate] => 2014-02-21T19:53:47+0000 ) ) [2014-2015] => Array ( [0] => Array ( [updatedDate] => [active] => 1 [id] => 82 [lessonName] => HZİ 512 English in Context II [educationDegree] => Lisans [academicYear] => 2014-2015 [language] => İngilizce [lessonHour] => 12 [addedDate] => 2014-02-21T19:52:44+0000 ) ) )
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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