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<?php preg_match('/^([0-9]{3})([0-9]{3})([0-9]{4})([0-9]*)$/', '8045551234', $matches); array_shift($matches); var_dump($matches); preg_match('/^([0-9]{3})([0-9]{3})([0-9]{4})([0-9]*)$/', '8045551234987', $matches); array_shift($matches); var_dump($matches);
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(4) { [0]=> string(3) "804" [1]=> string(3) "555" [2]=> string(4) "1234" [3]=> string(0) "" } array(4) { [0]=> string(3) "804" [1]=> string(3) "555" [2]=> string(4) "1234" [3]=> string(3) "987" }
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(4) { [0]=> string(3) "804" [1]=> string(3) "555" [2]=> string(4) "1234" [3]=> string(0) "" } array(4) { [0]=> string(3) "804" [1]=> string(3) "555" [2]=> string(4) "1234" [3]=> string(3) "987" }

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241.83 ms | 402 KiB | 291 Q