Search results for: "file modification time"

How can system time changes affect the comparison of file modification dates in PHP?

System time changes can affect the comparison of file modification dates in PHP because if the system time is changed, it can lead to incorrect result...

How can you optimize the comparison of file modification times and current server time to improve performance in PHP scripts?

When comparing file modification times and the current server time in PHP scripts, it is important to use the filemtime() function to retrieve the fil...

What is the function used to get the last modification time of a file in PHP?

To get the last modification time of a file in PHP, you can use the `filemtime()` function. This function returns the Unix timestamp of the last modif...

How can PHP utilize file modification time to track user activity and online status in a chat application?

To track user activity and online status in a chat application using file modification time, we can update a user's "last seen" timestamp in a file wh...

What PHP function can be used to determine the last modification time of a file?

To determine the last modification time of a file in PHP, you can use the `filemtime()` function. This function returns the Unix timestamp of when the...