我有这段代码,我尝试检查$name是否为空.在过程样式中,一切都很好,但是在OOP中,空函数似乎不起作用.我对PHP的经验不是很丰富,所以请解释问题出在哪里以及如何解决.
<?PHP
// The code below creates the class
class Check {
// Creating some properties (variables tied to an object)
public $name;
public $subject;
// Assigning the values
public function __construct($name, $subject) {
$this->name=$name;
$this->subject=$subject;
}
// Creating a method (function tied to an object)
public function checking() {
if (empty($name)) {
echo "empty name";
}
else {
echo "name set";
}
}
}
$me = new Check('Mark','somesubject');
echo $me->checking();
?>
解决方法:
您应该使用:
if (empty($this->name)) {