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Direktori : /home2/selectio/public_html/3idiotsgadgetstore.in/vendor/fakerphp/faker/src/Faker/Core/ |
Current File : //home2/selectio/public_html/3idiotsgadgetstore.in/vendor/fakerphp/faker/src/Faker/Core/Uuid.php |
<?php namespace Faker\Core; use Faker\Extension\UuidExtension; final class Uuid implements UuidExtension { public function uuid3(): string { $number = new Number(); // fix for compatibility with 32bit architecture; each mt_rand call is restricted to 32bit // two such calls will cause 64bits of randomness regardless of architecture $seed = $number->numberBetween(0, 2147483647) . '#' . $number->numberBetween(0, 2147483647); // Hash the seed and convert to a byte array $val = md5($seed, true); $byte = array_values(unpack('C16', $val)); // extract fields from byte array $tLo = ($byte[0] << 24) | ($byte[1] << 16) | ($byte[2] << 8) | $byte[3]; $tMi = ($byte[4] << 8) | $byte[5]; $tHi = ($byte[6] << 8) | $byte[7]; $csLo = $byte[9]; $csHi = $byte[8] & 0x3f | (1 << 7); // correct byte order for big edian architecture if (pack('L', 0x6162797A) == pack('N', 0x6162797A)) { $tLo = (($tLo & 0x000000ff) << 24) | (($tLo & 0x0000ff00) << 8) | (($tLo & 0x00ff0000) >> 8) | (($tLo & 0xff000000) >> 24); $tMi = (($tMi & 0x00ff) << 8) | (($tMi & 0xff00) >> 8); $tHi = (($tHi & 0x00ff) << 8) | (($tHi & 0xff00) >> 8); } // apply version number $tHi &= 0x0fff; $tHi |= (3 << 12); // cast to string return sprintf( '%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x', $tLo, $tMi, $tHi, $csHi, $csLo, $byte[10], $byte[11], $byte[12], $byte[13], $byte[14], $byte[15], ); } }