为什么Objective-C，PHP不支持方法重载？ [重复]

Question

This question already has an answer here:

• Why Objective-C doesn't support method overloading? 1 answer

Clearly objective-C does not support function/method overloading, same as php. But anyone knows why these languages don't support this feature.

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Answer 1

Objective-C does not support overloading as explained in that post

PHP5 supports overloading

You need a PHP version > 5.1.0
See PHP Documentation : http://php.net/manual/en/language.oop5.overloading.php