/**
* Fetches the HTML content of a given URL using a custom user agent.
*
* Performs a remote GET request to the specified URL, simulating a mobile browser user agent,
* and returns the response body if the request is successful (HTTP 200).
*
* @param string $url The URL to fetch the HTML content from.
*
* @return string|false The HTML content of the page on success, or false on failure.
*/ PMQuery
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