[英]Call function in function from another class PHP
I have read a few threads about abstract class here at Stackoverflow and I think it's what I need, but I can't get the declaration straight. 我在Stackoverflow上已经阅读了一些关于抽象类的线程,我认为这是我需要的,但我不能直接得到声明。
What I want to do is to call a function2 (in classB) in a function1 (in classA). 我想要做的是在function1 (在classA中) 中调用function2 (在classB中)。
How should I do this? 我该怎么做?
If you only need to access ClassB's method from ClassA but don't need a parent-child relationship between the two, a static method may be more appropriate: 如果您只需要从ClassA访问ClassB的方法但不需要两者之间的父子关系,静态方法可能更合适:
class ClassA
{
public function method1() {
echo ClassB::method2();
}
}
class ClassB
{
public static function method2() {
return 'WOOT!';
}
}
$cls_a = new ClassA();
$cls_a->method1();
// or alternatively, you don't even need to instantiate ClassA
echo ClassB::method2();
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