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<?php function tryGetPhoneNumber($input, &$phoneNumber) { if (preg_match('/(?<phoneNumber>\d{3}-\d{3}-\d{4}/)', $input, $match)) { $phoneNumber = $match['phoneNumber']; return true; } $phoneNumber = null; return false; } $phoneNumber = null; if (tryGetPhoneNumber("I'm going to call 555-123-4567 tomorrow.", $phoneNumber)) { var_dump($phoneNumber); exit; } echo 'No phone number.';
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 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 - 8.3.6
Warning: preg_match(): Unknown modifier ')' in /in/qssha on line 4 No phone number.
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier ')' in /in/qssha on line 4 No phone number.
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258.78 ms | 401 KiB | 399 Q