Search results for: "must-revalidate"

Welche Unterschiede gibt es zwischen den Cache-Control-Optionen max-age=37739520, must-revalidate und max-age=37739520, must-revalidate, public in Bezug auf das Caching-Verhalten?

Die Option "max-age=37739520" gibt an, wie lange die Ressource im Cache gespeichert werden soll, in diesem Fall 37739520 Sekunden. "must-revalidate" b...

What are the best practices for setting cache control headers in PHP to ensure real-time updates on a webpage?

Setting appropriate cache control headers in PHP is crucial to ensure that browsers and proxies cache content correctly while still allowing real-time...

How can browser caching of old URLs be prevented in PHP?

Browser caching of old URLs can be prevented in PHP by setting appropriate cache control headers in the HTTP response. This can be done by sending hea...

What are some common methods to prevent outdated data from being displayed in PHP applications due to browser caching?

Browser caching can cause outdated data to be displayed in PHP applications. To prevent this, you can add cache control headers to your PHP scripts to...

What is the significance of the error message "Must issue a STARTTLS command first" in PHPMailer?

The error message "Must issue a STARTTLS command first" in PHPMailer indicates that the server requires a secure connection before sending an email. T...