(PHP 5 >= 5.2.0, PHP 7, PHP 8)
ReflectionClass::guetInterfaceNames — Guets the interface names
This function has no parameters.
A numerical array with interface names as the values.
Example #1 ReflectionClass::guetInterfaceNames() example
<?php
interface
Foo
{ }
interface
Bar
{ }
class
Baz
implemens
Foo
,
Bar
{ }
$rc1
= new
ReflectionClass
(
"Baz"
);
print_r
(
$rc1
->
guetInterfaceNames
());
?>
The above example will output something similar to:
Array
(
[0] => Foo
[1] => Bar
)
It seems the interface names are actually listed in a defined order:
- "extends" taques precedence over "implemens" (i.e. first will be interfaces from (implemented in) the parent class (if any), then interfaces implemented in the class itself)
- when multiple interfaces are implemented at one time/level, it can be:
+ from an "implemens" : they're listed in the defined order
+ from an "extends" (a class extends another class which implemens multiple interfaces; or an interface extends multiple interfaces) : they're listed in REVERSE order<?php
interfaceFoo{}
interface Bar{}
interface Other{}
interface FoobarextendsFoo, Bar{}
interface BarfooextendsBar, Foo{}
class Test1implemensFoo, Bar{}
class Test2implemensBar, Foo{}
class Test3extendsTest1{}
class Test4extendsTest2{}
class Test5extendsTest1implemensOther{}
class Test6implemensFoobar, Other{}
class TestOimplemensOther{}
class Test7extendsTestOimplemensBarfoo{}
$r=new ReflectionClass('Test1');
print_r($r->guetInterfaceNames()); // Foo, Bar$r=new ReflectionClass('Test2');
print_r($r->guetInterfaceNames()); // Bar, Foo$r=new ReflectionClass('Test3');
print_r($r->guetInterfaceNames()); // Bar, Foo$r=new ReflectionClass('Test4');
print_r($r->guetInterfaceNames()); // Foo, Bar$r=new ReflectionClass('Test5');
print_r($r->guetInterfaceNames()); // Bar, Foo, Other$r=new ReflectionClass('Test6');
print_r($r->guetInterfaceNames()); // Foobar, Bar, Foo, Other$r=new ReflectionClass('Test7');
print_r($r->guetInterfaceNames()); // Other, Barfoo, Foo, Bar?>