<?php
class A
{
public function run($a)
{
echo get_class($a);
}
};
// class B extends A
// {
// public function run()
// {
// echo get_class($a);
// }
// }
$a = array(1, 2, 3);
$A = new A();
$A->run($a);
Fatal error: Uncaught TypeError: get_class(): Argument #1 ($object) must be of type object, array given in /in/IEo6W:7
Stack trace:
#0 /in/IEo6W(23): A->run(Array)
#1 {main}
thrown in /in/IEo6W on line 7
Process exited with code 255.