Created
July 1, 2020 04:32
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| <?php | |
| $array = array( | |
| array( | |
| 'kode' => 'FIS15101', | |
| 'nama' => 'Fisika Dasar', | |
| 'sks' => '2', | |
| 'nilai' => '4', | |
| 'ak' => '8', | |
| ), | |
| array( | |
| 'kode' => 'FIS15101L', | |
| 'nama' => 'Praktikum Fisika Dasar', | |
| 'sks' => '1', | |
| 'nilai' => '3', | |
| 'ak' => '3', | |
| ), | |
| array( | |
| 'kode' => 'TW15101', | |
| 'nama' => 'Praktek Tilawah', | |
| 'sks' => '0', | |
| 'nilai' => '', | |
| 'ak' => '', | |
| ), | |
| array( | |
| 'kode' => 'FIS15101L', | |
| 'nama' => 'Praktikum Fisika Dasar', | |
| 'sks' => '1', | |
| 'nilai' => '4', | |
| 'ak' => '4', | |
| ), | |
| ); | |
| echo "<pre>"; | |
| print_r($array); | |
| echo "<br>"; | |
| print_r(unique($array)); | |
| //based from https://stackoverflow.com/questions/55218253/find-duplicates-in-associative-array-php-compare-their-values | |
| function unique($matkulArray) { | |
| $keep = []; | |
| $tmp = array_column($matkulArray, 'kode'); | |
| $dupes = array_diff(array_count_values($tmp), [1]); | |
| foreach($dupes as $key => $val){ | |
| $res[$key] = max(array_intersect_key(array_column($matkulArray, 'nilai'), array_intersect($tmp, [$key]))); | |
| $keep = array_filter( | |
| $matkulArray, | |
| function ($item) use ($res, $key) { | |
| return $item['kode'] == $key && $item['nilai'] == $res[$key]; | |
| } | |
| ); | |
| } | |
| foreach($matkulArray as $key => $val) { | |
| if(!array_key_exists($val['kode'], $res) || array_key_exists($key, $keep)) continue; | |
| unset($matkulArray[$key]); | |
| } | |
| return array_values($matkulArray); | |
| } | |
| ?> |
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