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This line of code is incorrect <?php if ( !function_exists('redmenu_widget') || !dynamic_sidebar('redmenu_widget') ) : ?> More to the point, your negative operator (!) is wrong here That line of code simply translates to If the function redmenu_widget does not exist OR if the sidebar redmenu_widget does not exists, do something You should ...


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Think about it, why would WordPress do anything just because you have defined additional class? It's not magic (neither magical magic or code driven magic). The text widget doesn't appear simply because class exists. When WordPress loads it runs wp_widgets_init(), which executes register_widget('WP_Widget_Text'). So technically you cannot tell it to use ...


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Widget are PHP classes, so you can use static class variables to count how many times a widget is used. As @Howdy_McGee noted, if your widget show images randomly there are chances that there are widget showing same image even if there are same number of widgets and images, so you need also to address that issue. This is a rough, untested example that may ...



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