3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "11111*1; 22222*1; 33333*1; 44444*1"; $strToArray = explode(';',$string); $res=[]; array_walk($strToArray, function($v, $k) use (&$res){ $res[$k] = [ 'sku' => substr($v, 0, strpos($v, '*')), 'qty' => substr($v,strpos($v, '*')+1, strlen($v)) ]; }); echo json_encode($res,JSON_PRETTY_PRINT);
Output for 7.1.25 - 7.1.28, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
[ { "sku": "11111", "qty": "1" }, { "sku": " 22222", "qty": "1" }, { "sku": " 33333", "qty": "1" }, { "sku": " 44444", "qty": "1" } ]

preferences:
157.26 ms | 403 KiB | 159 Q