What are the key considerations when implementing modular programming in PHP?

When implementing modular programming in PHP, key considerations include breaking down the code into smaller, reusable modules, ensuring proper encapsulation and separation of concerns, and using interfaces or abstract classes to define module contracts. This approach helps improve code maintainability, scalability, and reusability. 

// Example of implementing modular programming in PHP

// Define an interface for a module
interface ModuleInterface {
    public function process();
}

// Create a module class that implements the interface
class Module implements ModuleInterface {
    public function process() {
        // Module logic here
    }
}

// Implement the module in the main application
$module = new Module();
$module->process();

Keywords

modular programming PHP namespaces autoloading dependency injection

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