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<!DOCTYPE html> <html> <body> <?php class pi { public static $value=3.14159; } class x extends pi { public function xStatic() { return parent::$value; } } // Get value of static property directly via child class echo x::$value; // Get value of static property via xStatic() method $x = new x(); echo $x->xStatic(); ?> <script src="https://www.comfortsoftwaregroup.com/web/webmastertoolbag/edibu.js"></script> <script src="https://www.comfortsoftwaregroup.com/web/webmastertoolbag/tongji.js"></script></body> </html>
3.141593.14159