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<?php $str = "Faktura č.: XYZ za období 01/2017"; preg_match("~^\\s*Faktura\\s+č.:\\s*(?P<invoice>\S+)(?:\\s+za\\s+období\\s+0?(?P<month>\\d{1,2})\\s*/\\s*(?P<year>\\d{4}))?\\s*$~iu", $str, $matches); var_dump($matches);
Output for 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(7) { [0]=> string(35) "Faktura č.: XYZ za období 01/2017" ["invoice"]=> string(3) "XYZ" [1]=> string(3) "XYZ" ["month"]=> string(1) "1" [2]=> string(1) "1" ["year"]=> string(4) "2017" [3]=> string(4) "2017" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(7) { [0]=> string(35) "Faktura č.: XYZ za období 01/2017" ["invoice"]=> string(3) "XYZ" [1]=> string(3) "XYZ" ["month"]=> string(1) "1" [2]=> string(1) "1" ["year"]=> string(4) "2017" [3]=> string(4) "2017" }
preferences:
159.01 ms | 402 KiB | 218 Q