Uploaded June 2024 | Updated September 2026, 1 hour ago

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Laravel's Str::random and Lottery helpers produce random results, which is usually what we're looking for! But sometimes we want repeatable randomness. In this video we take a look at how to control the randomness.

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Featured in this episode:
laravel.com/docs/11.x/strings#method-str-random
laravel.com/docs/11.x/helpers#lottery

Chapters:
00:00 - Introduction to Benchmarking and Random Value Generation
01:36 - Introduction to Mersenne Twister and Seeding Randomness
02:58 - Example of Repeatable Random Values with Mersenne Twister
03:54 - Wrapping Randomness Control in Laravel
04:52 - Creating Predictable Random Strings
06:00 - Generating Repeatable Random Strings
08:01 - Controlling Lottery Results with Predictable Randomness
09:58 - Modifying Lottery Class for Seeding Randomness
10:54 - Testing and Verifying Lottery Randomness
12:07 - Improving and Resetting Randomness for Benchmarking
13:47 - Refactoring for Global Seeding and Control
15:11 - Debugging and Stabilizing Randomness for Multiple Calls
17:18 - Finalizing Predictable Randomness for Benchmarks
19:09 - Considering Edge Cases and Final Thoughts
20:17 - Conclusion and Feedback Request