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<?php $ip = 'a.b.c.d'; $octets = explode('.', $ip); var_dump($octets); foreach($octets as $key => $octet) { (255 - (int) $octet) < 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(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "d" } valid valid valid valid array(4) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "d" }

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