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<?php function get_numerics ($str) { preg_match_all('/\d{4}/', $str, $matches); return $matches[0]; } $one = 'Rotterdam 3012 BG'; $two = '3012BG'; $three = '30123 BG'; $four = 'Rotterdam'; print_r(get_numerics($one)); print_r(get_numerics($two)); print_r(get_numerics($three)); print_r(get_numerics($four));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [0] => 3012 ) Array ( [0] => 3012 ) Array ( [0] => 3012 ) Array ( )
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 ( [0] => 3012 ) Array ( [0] => 3012 ) Array ( [0] => 3012 ) Array ( )
preferences:
216.2 ms | 402 KiB | 326 Q