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What potential issue arises when disconnected clients are not removed from the array in a PHP Socket Server?

If disconnected clients are not removed from the array in a PHP Socket Server, it can lead to memory leaks and decreased server performance over time....

How can PHP developers ensure consistent email display across different email clients like Outlook Express and GMX?

To ensure consistent email display across different email clients like Outlook Express and GMX, PHP developers can use inline CSS styles, tables for l...

How can PHP be used to send HTML emails with alternative text for non-HTML clients?

To send HTML emails with alternative text for non-HTML clients, you can use the PHP `mail()` function along with MIME headers to include both HTML and...

What are the best practices for creating HTML email templates in PHP to ensure compatibility across different email clients?

Creating HTML email templates in PHP requires special attention to ensure compatibility across different email clients. To achieve this, it is essenti...

How can the use of "?" or "& in defining a mail subject impact the functionality in different email clients?

Using special characters like "?" or "& in defining a mail subject can impact the functionality in different email clients because they may interpret...

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