Files
archived-presentations/slides/advphp/privateprotected.php
2002-07-22 19:02:54 +00:00

37 lines
1009 B
PHP

<?php
class MyClass {
private $Hello = "Hello, World!\n";
protected $Bar = "Hello, Foo!\n";
protected $Foo = "Hello, Bar!\n";
function printHello() {
print "MyClass::printHello() ".$this->Hello;
print "MyClass::printHello() ".$this->Bar;
print "MyClass::printHello() ".$this->Foo;
}
}
class MyClass2 extends MyClass {
protected $Foo;
function printHello() {
MyClass::printHello();
print "MyClass2::printHello() ".$this->Hello;
print "MyClass2::printHello() ".$this->Bar;
print "MyClass2::printHello() ".$this->Foo;
}
}
$obj = new MyClass();
print $obj->Hello; /* Shouldn't print out anything */
print $obj->Bar; /* Shouldn't print out anything */
print $obj->Foo; /* Shouldn't print out anything */
$obj->printHello(); /* Should print */
$obj = new MyClass2();
print $obj->Hello; /* Shouldn't print out anything */
print $obj->Bar; /* Shouldn't print out anything */
print $obj->Foo; /* Shouldn't print out anything */
$obj->printHello();
?>