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<?php class User { public function getZipCode($value) { return $value; } } $user = new User(); if (preg_match("/^[0-9]+$/",$user->getZipCode('489756'))) { $data['str'] = $user->getZipCode('489756'); } if (preg_match("/^[0-9]+$/",$user->getZipCode(489756))) { $data['int'] = $user->getZipCode(489756); } if (preg_match("/^[0-9]+$/",$user->getZipCode('489756d'))) { $data['badStr1'] = $user->getZipCode('489756d'); } if (preg_match("/^[0-9]+$/",$user->getZipCode(NULL))) { $data['null'] = $user->getZipCode(NULL); } var_dump($data);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/drroH on line 21 array(2) { ["str"]=> string(6) "489756" ["int"]=> int(489756) }

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