Posts met tag 'php'

How to load an SQLite extension in PDO?

28-05-2020

Recently we ran into the need to load an extension for SQLite using PHP’s PDO database abstraction, which is not supported out of the box. Eventually we found a solution involving FFI and Z-Engine. In this blog post I will take you on a tour of our solution and the black magic behind it.

php sqlite pdo ffi z-engine database open source EN

10 min.

Arnout Boks

Software architect

Mutation testing in PHP

18-07-2019

Arnout Boks

Recently I spent an afternoon experimenting with mutation testing in PHP. In this post I would like to share the background, the main idea of mutation testing, and the lessons I've learned from it.

php phpunit tests quality learning EN

8 min.

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Finding memory issues in PHP programs - Part 2

22-02-2019

Tom den Braber

The cause of a memory issue is often hard to find. In the previous post in this series, we looked at two methods for finding the culprits of a memory issue. In this post, we will look at another tool for finding memory leaks: php-memprof, created by Arnaud Le Blanc.

php memory leak memory profiling learning

8 min.

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Best practices for PHP exception handling

10-01-2019

Arnout Boks

Handling errors or other non-'happy path' situations is essential when creating robust PHP applications. Proper exception handling takes quite some effort, but will eventually result in a much more stable application. In this post, I would like to introduce you to the set of best practices we have adopted at Moxio over the years.

PHP exception exception flow OOP design patterns EN

13 min.

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Finding memory issues in PHP programs - Part 1

11-10-2018

Tom den Braber

Memory-related problems are hard to solve. Let's dive into a few techniques for making the debugging process easier.

PHP memory profiling memory leak

8 min.

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Start testing with PHPT tests in PHPUnit

21-06-2018

Arnout Boks

Learning to test and learning a full-featured testing framework at the same time can be hard. Let's make the learning curve for testing more gentle using a simple test format that does not require extra infrastructure.

PHP learning tests quality phpunit EN

7 min.

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Understanding Exceptional Flow - Type Inference

18-12-2017

Tom den Braber

Ever wondered how your IDE knows the types of expressions in the code you are writing? This is called type inference. It might sound scary, but it is surprisingly simple and really useful. In this blog post I will explain the what, why and how of type inference.

php exception flow type inference static analysis EN

9 min.

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PHP Central Europe conference 2017

05-12-2017

Arnout Boks

Early November I attended the first edition of phpCE, a new PHP community conference in Central Europe, originating from a merger between PHPCon Poland and Brno PHP conference. In this blog post I would like to share some of my experiences and things I have learned during that event.

php community learning conference EN

4 min.

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On type safety without generics, and the role of package design

02-06-2017

Arnout Boks

At Moxio we strongly value writing type-safe code. This can be a challenge in PHP however, especially as it lacks a feature known as ‘generics’. In this blog post I will show how (lack of) generics influences type-safe design, how parameter types and return types may change when extending a class or interface, and how we can keep our package design sound while doing so.

PHP type safety OOP generics design patterns type theory EN

10 min.

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Understanding Exceptional Flow

15-03-2017

Tom den Braber

Maybe you recognise the following situation. You are implementing a new feature, and you know that you can use a certain method, as it already covers some of the functionality you need. You briefly look at it, and you don’t see any exception handling constructs. But can you be sure?

php static analysis call graph type inference exception flow EN

5 min.

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