함수 hexgen()


1 PHP[ | ]

function getRandomHex($len) {
	$result = '';
	for($i=0; $i<$len; $i++) $result .= sprintf('%01x', mt_rand(0, 15));
	return $result;
}
var_dump( getRandomHex(7) );
# string(7) "b8a8bac"
function getRandomHex($len) {
  return substr((bin2hex(openssl_random_pseudo_bytes($len/2+1))),0,$len);
}
var_dump( getRandomHex(7) );
# string(7) "cd4d19d"

2 같이 보기[ | ]

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