<?php
class foo
{
public function test1()
{
echo 'in test1';
}
public function test2()
{
self::test1();
foo::test1();
echo 'in test2';
}
public function test3()
{
echo 'in test3';
}
public static function test4()
{
echo 'in test4';
}
}
$obj = new foo();
$obj->test2();
foo::test1();
foo::test2();
foo::test3();
$obj->test3();
$obj->test4();
