Speeding up array_merge()

Speeding up array_merge() While doing a crowd review of naval battle code at @afup_rennes (in French), it appeared that the ‘no array_merge() in loops’ rule was known but not clear. Indeed, why is it that this function in particular, should be avoided in loops. Hence, this article, with a journey to memory management, coding and […]

Fix inherited static variables in PHP 8.1

Configuring Exakat with Rules

Remove static variables One discreet update of PHP 8.1 is the upgrade of PHP static variables behavior in classes : Static variables in methods inheritance. Let’s review what are static variables in PHP, why they were problematic so far, and strategies to upgrade the code to remove this problem. PHP static variables While static properties […]

Installing Exakat to monitor several projects

Installing Exakat to monitor several projects Exakat is the smart Static analysis tool for PHP. It reviews the source for PHP compatibility (8.0, 8.1, 8.2 already, Security, and much more. When running it for several projects, it is convenient to use the ‘projects’ style of installation, more than the ‘in-code’ configuration. The ‘projects’ installation is […]

Prepare for PHP migration with Exakat

Prepare for PHP migration with Exakat Exakat detects compatibility issues in your code, for each minor PHP versions since PHP 5.3. It scans the source for function apparence or disappearance, new syntax and behaviors. init-project-done With a local docker system and access to your code, you can use the following command line to execute Exakat. […]

Variable Variables Usage

PHP variable variables

Variable Variables Usage I call them ‘variable variables’, because it makes a funny sentence. What? Aren’t variables supposed to …vary, change, get altered? Indeed, they do. Yet, there are the ‘dynamic variables’ in PHP, which have been around as long as PHP itself (at least, PHP 3.+). Recent tutorials around the web, like Dynamic variables […]