Search results for: "Last-Modified"

How can the Last-Modified header be utilized in PHP to detect page updates?

The Last-Modified header can be utilized in PHP to detect page updates by storing the last modification time of a page and comparing it with the If-Mo...

How can PHP headers like Last-Modified be effectively utilized to control browser caching for PHP scripts?

To control browser caching for PHP scripts, you can utilize PHP headers like Last-Modified to specify when a resource was last modified. This allows t...

Warum ist es wichtig, eine echte Last-Modified Zeit für die Datei bereitzustellen, wenn der Browser einen Not Modified-Header erhält?

Es ist wichtig, eine echte Last-Modified Zeit für die Datei bereitzustellen, damit der Browser korrekt entscheiden kann, ob die Datei geändert wurde o...

How can PHP be used to extract the last modified date of a page?

To extract the last modified date of a page using PHP, you can use the `filemtime()` function to get the timestamp when the file was last modified. Yo...

What is the function in PHP that can be used to check when a file was last modified?

To check when a file was last modified in PHP, you can use the `filemtime()` function. This function returns the last modified time of the file in Uni...