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How can timestamps be used effectively in PHP to manage sessions without relying on cookies or IPs?

When managing sessions without relying on cookies or IPs, timestamps can be used effectively in PHP by generating a unique session ID based on the cur...

What are the best practices for displaying data as "new" based on a date in PHP?

When displaying data as "new" based on a date in PHP, you can compare the date of the data with the current date to determine if it should be marked a...

What are some alternative methods in PHP for checking if a webpage is reachable and avoiding script freezing in case of server downtime?

When checking if a webpage is reachable in PHP, it's important to handle cases where the server might be down to avoid script freezing. One way to ach...

What are the limitations or restrictions when using Whatsapp APIs for sending messages through PHP?

When using Whatsapp APIs for sending messages through PHP, one limitation is that you need to have a valid phone number registered with Whatsapp in or...

How can PHP developers efficiently check for duplicate IP addresses in a guestbook application to prevent spam or abuse?

To efficiently check for duplicate IP addresses in a guestbook application to prevent spam or abuse, PHP developers can store each unique IP address i...