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run code in 500+ PHP versions simultaneously
<?php $array = [ '71-ctns' => 1, '71-units' => 1, '308-units' => 1, '305-ctns' => 1, '306-units' => 2, ]; $result = []; foreach ($array as $k => $v) { [$id, $label] = explode('-', $k); $result[$id][$label] = $v; } var_export($result);
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array ( 71 => array ( 'ctns' => 1, 'units' => 1, ), 308 => array ( 'units' => 1, ), 305 => array ( 'ctns' => 1, ), 306 => array ( 'units' => 2, ), )
preferences:
66.4 ms | 1034 KiB | 4 Q