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<?php $s = 'Sections: B3; C2; D4'; $s = str_replace('Sections: ', '', $s); $arr = explode("; ", $s); Var_dump($arr);
Output for 5.6.38, 7.0.33, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
array(3) { [0]=> string(2) "B3" [1]=> string(2) "C2" [2]=> string(2) "D4" }
preferences:
148.84 ms | 408 KiB | 5 Q