<?php

namespace Faker\Provider;

class Uuid extends Base
{
    /**
     * Generate name based md5 UUID (version 3).
     *
     * @example '7e57d004-2b97-0e7a-b45f-5387367791cd'
     *
     * @return string
     */
    public static function uuid()
    {
        // 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 = self::numberBetween(0, 2147483647) . '#' . self::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],
        );
    }
}

• [D] ar_EG
• [D] ar_JO
• [D] ar_SA
• [D] at_AT
• [D] bg_BG
• [D] bn_BD
• [D] cs_CZ
• [D] da_DK
• [D] de_AT
• [D] de_CH
• [D] de_DE
• [D] el_CY
• [D] el_GR
• [D] en_AU
• [D] en_CA
• [D] en_GB
• [D] en_HK
• [D] en_IN
• [D] en_NG
• [D] en_NZ
• [D] en_PH
• [D] en_SG
• [D] en_UG
• [D] en_US
• [D] en_ZA
• [D] es_AR
• [D] es_ES
• [D] es_PE
• [D] es_VE
• [D] et_EE
• [D] fa_IR
• [D] fi_FI
• [D] fr_BE
• [D] fr_CA
• [D] fr_CH
• [D] fr_FR
• [D] he_IL
• [D] hr_HR
• [D] hu_HU
• [D] hy_AM
• [D] id_ID
• [D] is_IS
• [D] it_CH
• [D] it_IT
• [D] ja_JP
• [D] ka_GE
• [D] kk_KZ
• [D] ko_KR
• [D] lt_LT
• [D] lv_LV
• [D] me_ME
• [D] mn_MN
• [D] ms_MY
• [D] nb_NO
• [D] ne_NP
• [D] nl_BE
• [D] nl_NL
• [D] pl_PL
• [D] pt_BR
• [D] pt_PT
• [D] ro_MD
• [D] ro_RO
• [D] ru_RU
• [D] sk_SK
• [D] sl_SI
• [D] sr_Cyrl_RS
• [D] sr_Latn_RS
• [D] sr_RS
• [D] sv_SE
• [D] th_TH
• [D] tr_TR
• [D] uk_UA
• [D] vi_VN
• [D] zh_CN
• [D] zh_TW
• [F] Address.php
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• [F] Barcode.php
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• [F] Base.php
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• [F] Biased.php
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• [F] Color.php
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• [F] Company.php
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• [F] DateTime.php
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• [F] File.php
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• [F] HtmlLorem.php
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• [F] Image.php
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• [F] Internet.php
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• [F] Lorem.php
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• [F] Medical.php
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• [F] Miscellaneous.php
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• [F] Payment.php
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• [F] Person.php
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• [F] PhoneNumber.php
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• [F] Text.php
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• [F] UserAgent.php
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• [F] Uuid.php
  Delete

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