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phpharness create a shortcode that lets you specify a php file that you wish to include via require_once into a page. Whatever is returned by your specified function will be displayed. [phpharness path="path to file to require_once" func="function to fire "]

Notes: The function should be in the form of function_name('1',2...) where parameters,if any, are also passed in the stringf defining the function. The Path is relative to your root directory