Create a visually appealing weather forecast platform in PHP that provides accurate and up-to-date weather conditions for multiple locations worldwide. The platform should include features such as hourly and daily forecasts, current weather conditions, wind speed and direction, precipitation probability, air pressure, and humidity levels. Additionally, the user interface should be user-friendly and easy to navigate with interactive maps and customizable display options. The platform should also have an option for users to sign up for alerts and notifications based on weather conditions in their desired location.
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