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<?php $array = [ ['type' => 'Recurring', 'id' => 1], ['type' => 'Single', 'id' => 2], ['type' => 'Other', 'id' => 3], ['type' => 'Recurring', 'id' => 4], ['type' => 'Single', 'id' => 5], ]; $result = []; foreach ($array as $row) { if (in_array($row['type'], ['Recurring', 'Single'])) { $result[strtolower($row['type'])][] = $row; } } var_export($result);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'recurring' => array ( 0 => array ( 'type' => 'Recurring', 'id' => 1, ), 1 => array ( 'type' => 'Recurring', 'id' => 4, ), ), 'single' => array ( 0 => array ( 'type' => 'Single', 'id' => 2, ), 1 => array ( 'type' => 'Single', 'id' => 5, ), ), )

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