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<?php $aa = array("1 2 3 4 5", "6 7 8 9 10", "11 12 13 14 15", "16 17 18 19 20", "21 22 23 24 25"); $bb = array("1 2", "6 7 8", "11 12 13 14", "16 17 18 19 20"); $exclude = []; foreach($bb as $b){ $exclude = array_merge($exclude, preg_grep("/^". preg_quote($b) . "/", $aa)); } $final = array_diff($aa, $exclude); print_r($final);
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 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Array ( [4] => 21 22 23 24 25 )
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82.44 ms | 407 KiB | 5 Q