show(); $app->exec(); ?>
move(50, 50); $button->show(); QObject::connect($button, 'clicked', function() { echo 'Hello world!'; }); $window->show(); $app->exec(); ?>This example adds a QPushButton to the window and assigns a click event function to it. When the button is clicked, it will print "Hello world!" to the console. In conclusion, PHP QApplication is a package library used for creating GUI applications in PHP and is an extension of the Qt GUI framework. It provides a set of tools to create native graphical interfaces efficiently.