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<?php $arr = ["/etc/apache2/sites-enabled/030.3d-stadtplan.ch.conf", "/etc/apache2/sites-enabled/040.3d-stadtplan.conf", "/etc/apache2/sites-enabled/030.stadtplan.conf"]; asort($arr); var_dump($arr);
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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(3) { [0]=> string(51) "/etc/apache2/sites-enabled/030.3d-stadtplan.ch.conf" [2]=> string(45) "/etc/apache2/sites-enabled/030.stadtplan.conf" [1]=> string(48) "/etc/apache2/sites-enabled/040.3d-stadtplan.conf" }

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