php __call and __callStatic

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PHP5 的对象新增了一个专用方法 __call()，这个方法用来监视一个对象中的其它方法。如果你试着调用一个对象中不存在的方法，__call 方法将会被自动调用。

__call() is triggered when invoking inaccessible methods in an object context.

__callStatic() is triggered when invoking inaccessible methods in a static context.

class MethodTest {
public function __call($name, $arguments) {
// Note: value of $name is case sensitive.
echo "Calling object method '$name' "
. implode(', ', $arguments). "\n";
}

/** As of PHP 5.3.0 */
public static function __callStatic($name, $arguments) {
// Note: value of $name is case sensitive.
echo "Calling static method '$name' "
. implode(', ', $arguments). "\n";
}
}

$obj = new MethodTest;
$obj->runTest('in object context');

MethodTest::runTest('in static context'); // As of PHP 5.3.0
?>

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