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<?php $ip = '192.168.0.1'; $octets = explode('.', $ip); var_dump($octets); foreach($octets as $key => $octet) { ((int) $octet - 255) < 0 ? $valid = false : $valid = true; if ($valid) echo 'valid'; else echo 'invalid'; echo PHP_EOL; } var_dump($octets);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> string(3) "192" [1]=> string(3) "168" [2]=> string(1) "0" [3]=> string(1) "1" } invalid invalid invalid invalid array(4) { [0]=> string(3) "192" [1]=> string(3) "168" [2]=> string(1) "0" [3]=> string(1) "1" }

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