In the context of PHP development, what are some common mistakes that developers make when organizing class files and handling inheritance relationships?

One common mistake in organizing class files is not following a consistent naming convention or directory structure, leading to confusion and difficulty in locating and managing classes. To solve this, developers should adhere to a standard naming convention and organize classes into logical directories based on their functionality. Additionally, another mistake is mishandling inheritance relationships, such as not properly extending parent classes or overriding methods incorrectly, which can result in unexpected behavior. Developers should carefully plan and implement inheritance relationships to ensure proper functionality and code reusability. 

// Example of organizing class files with a consistent naming convention and directory structure

// Class file: User.php
class User {
    // Class implementation
}

// Class file: Admin.php
class Admin {
    // Class implementation
}

// Example of handling inheritance relationships properly

// Parent class
class Animal {
    public function speak() {
        echo "Animal speaks";
    }
}

// Child class extending Animal
class Dog extends Animal {
    public function speak() {
        echo "Dog barks";
    }
}

// Instantiate and use classes
$animal = new Animal();
$animal->speak(); // Output: Animal speaks

$dog = new Dog();
$dog->speak(); // Output: Dog barks

Keywords

PHP class files inheritance organization mistakes

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