What are some best practices for using target attribute in PHP files for opening popups?

When using the target attribute in PHP files to open popups, it is important to ensure that the target attribute is set to "_blank" to open the link in a new window or tab. This helps prevent the popup from being blocked by browsers or triggering unwanted behavior. Additionally, it is recommended to use proper validation and sanitization techniques to prevent any security vulnerabilities in the code. 

<a href="popup.php" target="_blank">Open Popup</a>

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target attribute PHP files popups security vulnerability

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