Created
September 22, 2010 04:26
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<?php | |
// Define the 'class' class | |
$class = Obj() | |
->fn('new', function ($class) { | |
$newClass = Obj($class->methods) | |
->fn('new', function($class) { | |
$obj = Obj($class->imethods); | |
$args = func_get_args(); | |
array_shift($args); | |
call_user_func_array(array($obj, 'init'), $args); | |
return $obj; | |
}); | |
return $newClass; | |
}) | |
->fn('def', function ($t, $name, $fn) { | |
$t->imethods[$name] = $fn; | |
return $t; | |
}) | |
->fn('extend', function ($t) { | |
return clone $t; | |
}); | |
// Define a new class | |
$animal = $class->new() | |
->def('init', function($t, $name) { | |
$t->name = $name; | |
}) | |
->def('speak', function($t) { | |
echo "My name is $t->name\n"; | |
}); | |
// Extend a class | |
$dog = $animal->extend() | |
->def('speak', function($t) { | |
echo "My name is $t->name, I have just met you and I love you, SQUIRREL!\n"; | |
}) | |
->def('bark', function($t) { | |
echo "Woof!\n"; | |
}); | |
$jimmy = $animal->new('Jimmy'); | |
$jimmy->speak(); | |
$doug = $dog->new('Doug'); | |
$doug->speak(); | |
$doug->bark(); | |
// ---- The guts... | |
class Obj | |
{ | |
public function __construct($methods=array()) | |
{ | |
$this->methods = $methods; | |
} | |
public function method($name) | |
{ | |
if (!isset($this->methods[$name])) | |
throw new BadMethodCallException(); | |
return $this->methods[$name]; | |
} | |
public function fn($name, $fn) | |
{ | |
$this->methods[$name] = $fn; | |
return $this; | |
} | |
public function __call($name, $args) | |
{ | |
return call_user_func_array( | |
$this->method($name), | |
array_merge(array($this), $args) | |
); | |
} | |
} | |
// Allow chaining method calls off the constructor.. | |
function Obj($methods=array()) | |
{ | |
return new Obj($methods); | |
} |
I like it :)
Neat.
Very cool, could be a good way to implement inceptors, sequences. tried an implementation http://gist.github.com/594135/ haven't tested it at all though
Definitely not OO !
Cool stuff!
Forked with view to providing a replacement for StdClass that allows you to attach callable methods to.
This pattern is mostly used in javascript.
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very interesting!