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Re: Discovering all sub-classes via introspection? [message #171542 is a reply to message #171541]

Sat, 08 January 2011 16:34

Jerry Stuckle
Messages: 2598
Registered: September 2010

Karma:

Senior Member

On 1/8/2011 9:57 AM, _RMP wrote:
> Am 07.01.2011 14:15, schrieb Jerry Stuckle:
>> On 1/6/2011 11:08 PM, Sherm Pendley wrote:
>>> Roy Smith<roy(at)panix(dot)com> writes:
>>>
>>>> Given a class, is there a way to find all the classes which extend it?
>>>
>>> Use get_declared_classes() to get a list of classes, then loop over
>>> the list and use is_subclass_of() on each item to check if it extends
>>> your target class.
>>>
>>> sherm--
>>>
>>
>> Which only works if you have included all the files containing the
>> derived classes.
>>
>
> Maybe you'll find something in the Reflection of PHP (>5):
> http://de3.php.net/manual/de/book.reflection.php
>
> There you find Reflection::getExtension and
> Reflection::getInterfaceNames which could solve it.
>

Which still only works if you have included all the files containing the
derived classes.

--
==================
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Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
==================

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[Message index]

		Discovering all sub-classes via introspection? By: Roy Smith on Fri, 07 January 2011 03:38
		Re: Discovering all sub-classes via introspection? By: Jerry Stuckle on Fri, 07 January 2011 03:40
		Re: Discovering all sub-classes via introspection? By: Sherm Pendley on Fri, 07 January 2011 04:08
		Re: Discovering all sub-classes via introspection? By: Jerry Stuckle on Fri, 07 January 2011 13:15
		Re: Discovering all sub-classes via introspection? By: RMP on Sat, 08 January 2011 14:57
		Re: Discovering all sub-classes via introspection? By: Jerry Stuckle on Sat, 08 January 2011 16:34
		Re: Discovering all sub-classes via introspection? By: Robert Hairgrove on Sat, 08 January 2011 18:02

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