PHP
Posts about PHP development.
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Simple URL Crawler to Extract Internal and External Links in PHP
This blog post addresses a very simple, not finished URL Crawler that separates internal and external URLs appearing on a website.
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Vagrant Getting Started
This blog post is a summary of my getting started with Vagrant in 2019. It shows a very specific set up and may or may not fit to your needs.
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Traversing a 2D Matrix
In this blog, I address the problem of 'find the number of islands' or 'connected components in an undirected graph' traversing a 2D matrix.
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Role-Based Access Control in PHP: Database Schema, Algorithms, and Implementation
Complete guide to RBAC in PHP: database schema, why BST beats naive iteration (O(n log m) vs O(u×r×p)), implementation with simple-rbac library, and common pitfalls.
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Recommendation Assistant 1.0.0 is here
Recommendation Assistant in version 1.0.0 is part of my Master's Thesis and denotes a hybrid approach of Recommendation Algorithms.
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Contact Synchronization Client: A First Try
This blog post describes a first attempt at building a contact synchronization client using PHP and Python.
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Integer Bitvectors and the Theory Behind
Integer Bitvectors provide an efficient way to search & manage large, unsorted data. Learn theory, implementation & practical applications.
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Resolving Database Dependencies Using Topological Graph Sorting
Learn how topological graph sorting can resolve database dependencies, handle normalization violations & optimize database management.
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RecommendationAssistant is on the Nextcloud App Store now
This post is an announcement that RecommendationAssistant is on the Nextcloud App Store now. Read how to download and install.
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Comparing Objects with PHP
A brief summary of the problem how object comparison in PHP 7 does not work everytime as expected and how I fixed it using a workaround.