(PHP 4, PHP 5, PHP 7)
get_parent_class — 锟斤拷锟截讹拷锟斤拷锟斤拷锟侥革拷锟斤拷锟斤拷
锟斤拷锟� obj
锟角讹拷锟斤拷锟津返回讹拷锟斤拷实锟斤拷 obj
锟斤拷锟斤拷锟斤拷母锟斤拷锟斤拷锟斤拷锟�
锟斤拷锟� obj
锟斤拷锟街凤拷锟斤拷锟斤拷锟津返伙拷锟皆达拷锟街凤拷锟斤拷为锟斤拷锟斤拷锟斤拷母锟斤拷锟斤拷锟斤拷锟斤拷斯锟斤拷锟斤拷锟斤拷锟�
PHP 4.0.5 锟斤拷锟斤拷锟接的★拷
Note:
锟斤拷 PHP 5 锟斤拷锟斤拷锟斤拷诙锟斤拷锟侥凤拷锟斤拷锟节碉拷锟矫ｏ拷锟斤拷
obj为锟斤拷选锟筋。
Example #1 使锟斤拷 get_parent_class()
<?php
class dad {
function dad()
{
// implements some logic
}
}
class child extends dad {
function child()
{
echo "I'm " , get_parent_class($this) , "'s son\n";
}
}
class child2 extends dad {
function child2()
{
echo "I'm " , get_parent_class('child2') , "'s son too\n";
}
}
$foo = new child();
$bar = new child2();
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
I'm dad's son I'm dad's son too
锟轿硷拷 get_class() 锟斤拷 is_subclass_of()锟斤拷
objectThe tested object or class name
Returns the name of the parent class of the class of which
object is an instance or the name.
Note:
If the object does not have a parent or the class given does not exist
FALSEwill be returned.
If called without parameter outside object, this function returns FALSE.
| 锟芥本 | 说锟斤拷 |
|---|---|
| Before 5.1.0 |
If called without parameter outside object, this function would have
returned NULL with a warning.
|
| Since 5.0.0 |
The object parameter is optional if called
from the object's method.
|
| Since 4.0.5 |
If object is a string, returns the name of the
parent class of the class with that name.
|
Example #2 Using get_parent_class()
<?php
class dad {
function dad()
{
// implements some logic
}
}
class child extends dad {
function child()
{
echo "I'm " , get_parent_class($this) , "'s son\n";
}
}
class child2 extends dad {
function child2()
{
echo "I'm " , get_parent_class('child2') , "'s son too\n";
}
}
$foo = new child();
$bar = new child2();
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
I'm dad's son I'm dad's son too