interface NSerializable
{
// ...
}
class Object
{
// ...
}
/**
* A counter class
*/
class Counter extends Object implements NSerializable
{
const START = 0;
private static $c = Counter::START;
/**
* Invoke counter
*
* @access public
* @return int
*/
public function count()
{
return self::$c++;
}
}
// Create an instance of the ReflectionClass class
???
???
??? ???
Chapter 5
[ 101 ]
$class = new ReflectionClass('Counter');
// Print out basic information
printf(
"===> The %s%s%s %s '%s' [extends %s]\n" .
" declared in %s\n" .
" lines %d to %d\n" .
" having the modifiers %d [%s]\n",
$class->isInternal() ? 'internal' : 'user-defined',
$class->isAbstract() ? ' abstract' : '',
$class->isFinal() ? ' final' : '',
$class->isInterface() ? 'interface' : 'class',
$class->getName(),
var_export($class->getParentClass(), 1),
$class->getFileName(),
$class->getStartLine(),
$class->getEndline(),
$class->getModifiers(),
implode(' ', Reflection::getModifierNames(
$class->getModifiers()))
);
// Print documentation comment
printf("---> Documentation:\n %s\n",
var_export($class->getDocComment(), 1));
// Print which interfaces are implemented by this class
printf("---> Implements:\n %s\n",
var_export($class->getInterfaces(), 1));
// Print class constants
printf("---> Constants: %s\n",
var_export($class->getConstants(), 1));
// Print class properties
printf("---> Properties: %s\n",
var_export($class->getProperties(), 1));
// Print class methods
printf("---> Methods: %s\n",
var_export($class->getMethods(), 1));
// If this class is instantiable, create an instance
if ($class->isInstantiable())
{
$counter = $class->newInstance();
echo '---> $counter is instance? ';
echo $class->isInstance($counter) ? 'yes' : 'no';
echo "\n---> new Object() is instance? ";
echo $class->isInstance(new Object()) ? 'yes' : 'no';
}
?>
Reflection and Unit Testing
[ 102 ]
Now save the above code in a file named class.
Pages:
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119