Globally Unique Identifier (GUID) Generator For Linux, Windows, Java, PHP, C#, Javascript, Python

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Globally Unique Identifier (GUID) is pseudo random string which consist of 32 letters, numbers (0-9) and 4 hyphens to separate letters. These letters are randomly generated. In probability theory this value is unique and can be used as secret and session cookie etc.

Example GUID

Following line provides a GUID. as we can see there is 4 dashes which selaret the values into 5 parts. First part consist of 6 letters, second part 4, third part 4, forth part 4 and the last fifth part 12 letters. They are generated randomly.

Generate GUID In Linux

Linux provides a lot of different tools to generate GUID. But one of the most simple and default installed tool is uuidgen . We just issue the command like below.

Generate GUID In Linux
Generate GUID In Linux

Generate GUID In Windows

Windows operating systems like Server 2008, 20012, 2016, 7, 8, 10 have ability ro generate GUID in PowerShell, 3rd party tools etc. But the most integrated and fast way is using PowerShell which actually uses .Net  libraries we have all ready examined in Generating GUID with C# .

Generate GUID In Java

Java programming language and software development kit provides a lot of different type or random number generation and format functions. We can use util class randomUUID() function like below.

Generate GUID In PHP

PHP have different ways to generate GUID. PHP running on Windows system can use com_create_guid() function  but in Linux we need some external help. We can create a function which will generate random numbers in specified range and length. We will create function named GUID() like below and inject com_create_guid() function too.

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Another way is using openssl functions with some convert.

Generate GUID In PHP
Generate GUID In PHP

Generate GUID In C#

C# is very feature rich and realiable programming language with useful libraries. C# provides NewGuid() method in order to create some GUID value. Following snippet will create a GUID value

Generate GUID In Python

Python provides uuid module which contains a lot of different functions about Unique Identifier. We can use uuid1() to generate GUID easily in a single line.

Generate GUID In Python
Generate GUID In Python

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