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<?php $res = []; $arr = array("exercise__2" => "Then a set", "sets__2" => 3, "exercise__4" => "And finally a set", "sets__4" => 3); foreach($arr as $k =>$v) { $res[explode("__", $k)[1]][$k] = $v; } print_r(array_values($res));
Output for 7.1.0 - 7.1.33, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [0] => Array ( [exercise__2] => Then a set [sets__2] => 3 ) [1] => Array ( [exercise__4] => And finally a set [sets__4] => 3 ) )
preferences:
112.6 ms | 1650 KiB | 4 Q