ارث بری در PHP با مثال:
PHP:
<?php
class a{ function test() { echo "Test in class a"."<br />"; } function show($var) { echo "in class a: the varible is $var"."<br />"; }
}
class b extends a { function test() { echo "Test in class b"."<br />"; ; }
}
class c extends b { function test() { parent::test(); }
}
class d extends c { function test() { a::test(); }
}
$a = new a();
$b = new b();
$c = new c();
$d = new d();
$a->test();
$b->test();
$b->show('Iran');
$c->test();
$d->test();
?> HTML:
Test in class a
Test in class b
in class a: the varible is Iran
Test in class b
Test in class a
