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PHP multiple interfaces with the same method_PHP tutorial

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WBOYOriginal
2016-07-20 11:17:231136browse

If there are multiple interfaces with the same method name and they are not inherited, PHP is not allowed

The following examples:

 php;">

interface a{

public function x();

 }

interface b{

public function x();

 }

class c implements a,b{

public function x();

 }

The following error is reported: Can't inherit abstract function b::x() (previously declared abstract in c)

If you want to implement different interfaces with the same method, you can implement it as follows:

 php;">

Interface d{

public function x();

 }

interface a extends d{}

interface b extends d{}

class c implements a,b{

public function x(){

echo "succ";

 }

 }

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/371991.htmlTechArticleIf there are multiple interfaces with the same method name and they are not inherited, PHP is not allowed as follows Example: php; interface a{ public function x(); } interface b{ public function x()...
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