Online Code Generator

PHP and Javascript Code Snippets for Common Uses

Online GUID Generator

You can use this generator to generate API keys, password salts or anywhere else you may need a GUID.

Your GUID:

a6b22805-fbdd-4997-8002-9535124576ba

PHP Syntax:

We use a custom function to create this GUID, which you can see below.

$guid = gen_uuid();

PHP Function:

/**
 * Generates a GUID
 */
function gen_uuid() {
  return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
    // 32 bits for "time_low"
    mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),

    // 16 bits for "time_mid"
    mt_rand( 0, 0xffff ),

    // 16 bits for "time_hi_and_version",
    // four most significant bits holds version number 4
    mt_rand( 0, 0x0fff ) | 0x4000,

    // 16 bits, 8 bits for "clk_seq_hi_res",
    // 8 bits for "clk_seq_low",
    // two most significant bits holds zero and one for variant DCE1.1
    mt_rand( 0, 0x3fff ) | 0x8000,

    // 48 bits for "node"
    mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )
  );
}

 

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