How to add methods dynamically

Question

I\'m trying to add methods dynamically from external files. Right now I have __call method in my class so when i call the method I want, __call inc

Answer 1

/**
 * @method Talk hello(string $name)
 * @method Talk goodbye(string $name)
 */
class Talk {
    private $methods = [];
    
    public function __construct(array $methods) {
        $this->methods = $methods;
    }
    
    public function __call(string $method, array $arguments): Talk {
        if ($func = $this->methods[$method] ?? false) {
            $func(...$arguments);
            
            return $this;
        }
        
        throw new \RuntimeException(sprintf('Missing %s method.'));
    }
}

$howdy = new Talk([
    'hello' => function(string $name) {
        echo sprintf('Hello %s!%s', $name, PHP_EOL);
    },
    'goodbye' => function(string $name) {
        echo sprintf('Goodbye %s!%s', $name, PHP_EOL);
    },
]);

$howdy
    ->hello('Jim')
    ->goodbye('Joe');

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