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<?php $arr = Array ( Array ( "id" => 99, "fruit" => "Apple", "color" => "Green" ), Array ( "id" => 99, "fruit" => "Apple", "color" => "Red" ), Array ( "id" => 555, "fruit" => "Banana", "color" => "Yellow" ) ); $ids = array_column($arr, "id"); Foreach(array_unique($ids) as $id){ $temp = array_values(array_intersect_key($arr, array_intersect($ids, [$id]))); $new[$id] = ['fruit' => $temp[0]['fruit'], 'color' => array_column($temp, "color")]; } Var_dump($new);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.30, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
array(2) { [99]=> array(2) { ["fruit"]=> string(5) "Apple" ["color"]=> array(2) { [0]=> string(5) "Green" [1]=> string(3) "Red" } } [555]=> array(2) { ["fruit"]=> string(6) "Banana" ["color"]=> array(1) { [0]=> string(6) "Yellow" } } }
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.
Output for 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/FLNcW on line 25
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/FLNcW on line 28
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/FLNcW on line 28
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/FLNcW on line 28
Process exited with code 255.
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