OpenLampTech issue #23 – Substack Repost

Ready for your weekly dose of PHP/MySQL content? Well, you’re in luck because this issue of OpenLampTech has just what you need!

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CodeIgniter 4 Query Builder join() Method Explained

The CodeIgniter 4 Query Builder class provides ORM-like functionality for Database operations in the framework. As developers, we know SQL JOINs are foundational and oftentimes required in order to retrieve the correct data. The Query Builder class has a dedicated join() method you can use when constructing queries where JOINs are necessary. Continue reading and learn how to use the CodeIgniter 4 Query Builder join() method…

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MySQL SUBSTRING() Function With Examples – Substack Repost

It’s no secret that text or string data are one of the most common datatypes you will process. At times, only a specific portion of a string may be needed and this is the perfect use case for the SUBSTRING() character function…

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