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<?php $array = [ [ 'name' => 'Umber', 'reason' => 'No data', 'id' => '12' ], [ 'name' => 'Jakar', 'reason' => 'Wrong format', 'id' => '12' ], [ 'name' => 'Lane', 'reason' => 'No data', 'id' => '12' ], [ 'name' => 'Jake', 'reason' => 'Not found', 'id' => '13' ], [ 'name' => 'Jame', 'reason' => 'Wrong name', 'id' => '13' ], [ 'name' => 'Joe', 'reason' => 'No data', 'id' => '13' ] ]; $result = []; foreach ($array as $row) { $result[$row['id']][] = $row['reason']; } var_export($result); echo "\n---\n"; var_export( array_reduce( $array, function($result, $row) { $result[$row['id']][] = $row['reason']; return $result; }, [] ) );
Output for 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 - 8.3.4, 8.3.6 - 8.3.26, 8.4.1 - 8.4.13
array ( 12 => array ( 0 => 'No data', 1 => 'Wrong format', 2 => 'No data', ), 13 => array ( 0 => 'Not found', 1 => 'Wrong name', 2 => 'No data', ), ) --- array ( 12 => array ( 0 => 'No data', 1 => 'Wrong format', 2 => 'No data', ), 13 => array ( 0 => 'Not found', 1 => 'Wrong name', 2 => 'No data', ), )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 12 => array ( 0 => 'No data', 1 => 'Wrong format', 2 => 'No data', ), 13 => array ( 0 => 'Not found', 1 => 'Wrong name', 2 => 'No data', ), ) --- array ( 12 => array ( 0 => 'No data', 1 => 'Wrong format', 2 => 'No data', ), 13 => array ( 0 => 'Not found', 1 => 'Wrong name', 2 => 'No data', ), )

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133.97 ms | 409 KiB | 5 Q