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<?php $value = '123456-1234567890'; if (! preg_match('/((\d{0,6})-)?(\d{1,10})/', $value, $matches)) { echo 'nope'; } print_r($matches); if (!$matches[1]) { echo 'test'; }
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 ( [0] => 123456-1234567890 [1] => 123456- [2] => 123456 [3] => 1234567890 )
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] => 123456-1234567890 [1] => 123456- [2] => 123456 [3] => 1234567890 )

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