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| <?php
class Container implements ArrayAccess
{
private $className = '';
private $s = array();
public function __construct($className)
{
if (!class_exists($className)) {
throw new Exception('class is not found');
}
$this->className = $className;
}
public function offsetExists($key)
{
echo "you're trying to check if something exist" . PHP_EOL;
return array_key_exists($key, $this->s);
}
public function offsetGet($key)
{
echo "you're trying to get something" . PHP_EOL;
return isset($this->s[$key]) ? $this->s[$key] : '';
}
public function offsetSet($key, $value)
{
echo "you're trying to set something" . PHP_EOL;
var_dump($value,$this->className);
if ($value instanceof $this->className) {
$this->s[$key] = $value;
} else {
throw new Exception('非法类型');
}
}
public function offsetUnset($key)
{
echo "you're trying to unset something" . PHP_EOL;
unset($this->s[$key]);
}
}
class cat
{
public $name = 'nihao';
}
$c = new Container(Cat::class);
$nihao = new Cat();
try {
$c['asda'] = $nihao;
$c['name'] = 'ben';
} catch (Exception $E) {
echo $E->getMessage();
echo $E->getLine();
}
var_dump($c);
function f(array $peole){
}
|