note 116319 added to function.gethostbyname

This function says "Returns the IPv4 address or a string containing the unmodified hostname on failure. This isn't entirely true, any hostname with a null byte in it will only return the characters BEFORE the null byte. <?php $hostname = "foo\0bar"; var_dump($hostname ); var_dump(gethostbyname($hostname )); ?> Results: string 'foo�bar' (length=7) string 'foo' (length=3) ---- Server IP: 72.52.91.14 Probable Submitter: 2001:19f0:1000:5123:c91b:736d:ae19:6ea ---- Manual Page -- http://php.net/manual/en/function.gethostbyname.php Edit -- https://master.php.net/note/edit/116319 Del: integrated -- https://master.php.net/note/delete/116319/integrated Del: useless -- https://master.php.net/note/delete/116319/useless Del: bad code -- https://master.php.net/note/delete/116319/bad+code Del: spam -- https://master.php.net/note/delete/116319/spam Del: non-english -- https://master.php.net/note/delete/116319/non-english Del: in docs -- https://master.php.net/note/delete/116319/in+docs Del: other reasons-- https://master.php.net/note/delete/116319 Reject -- https://master.php.net/note/reject/116319 Search -- https://master.php.net/manage/user-notes.php