Use of the PHP magic method

1.__Get/__set call these two functions when the class has no properties to access$obj = NewImooc\object ();
$obj -title= "Hello";
Echo$obj -title;

<?php
namespaceImooc;
classObject
{
    protected$array= Array();
    function__set ($key, $value)
    {
Var_dump (__method__);
        $this -Array[$key] = $value;
    }
    function__get ($key)
{
Var_dump (__method__);
        return$this -Array[$key];
    }
}

2.__Call /__callstaticwhen the class does not have the function called, the two functions are called

$obj = NewImooc\object ();
$obj ->test ("Hello"123);
Echoimooc\object::Test("World", 1233);

<?php
namespaceImooc;
classObject
{
    function__call ($func, $param)
    {
Var_dump ($func, $param);
        returnThe Magic function\ n";
    }
    static function__callstatic ($func, $param)
    {
Var_dump ($func, $param);
        returnthe Magic static function\ n";
    }
}

3.__toStringCall this function automatically when the object is used as a string

 $obj    =  new  imooc\object () ;

$obj ;

<?php
namespaceImooc;

classObject
{
    function__tostring ()
    {
        return"ToString";
}
}

3.x_InvokewhenThe function is called automatically when the object is used as a function

 $obj    =  new  imooc\object () ;

$obj ("Test1") ;

<?php
namespaceImooc;

classObject
{
    function__invoke ($param)
    {
Var_dump ($param);
        return"Invoke";
    }
}

From for notes (Wiz)

Use of the PHP magic method