php.org PHP Logo
Beginner Intermediate Advanced

Search results for: "file expiration"

How can PHP be used to retrieve the last modification date of a file on a server?

To retrieve the last modification date of a file on a server using PHP, you can use the `filemtime()` function. This function returns the timestamp of...

How can line breaks in included PHP files affect the output of CSV file downloads in PHP?

Line breaks in included PHP files can inadvertently add extra characters to the output, which can corrupt the CSV file being downloaded. To solve this...

What are some tips for troubleshooting and debugging issues related to file path concatenation in PHP code?

When concatenating file paths in PHP, it's important to ensure that the correct directory separator is used to avoid issues on different operating sys...

How can fgetcsv() be used to read a text file and search for specific values in PHP?

To use fgetcsv() to read a text file and search for specific values in PHP, you can loop through each row of the CSV file using fgetcsv() and then che...

What are the potential pitfalls of trying to access file paths on the client-side in PHP?

One potential pitfall of trying to access file paths on the client-side in PHP is exposing sensitive information such as server directory structures t...

Showing 9986 to 9990 of 10000 results

‹ 1 2 ... 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 ›
PHP.ORG

A free knowledge base for PHP developers. Open to all.

Legal

  • About
  • Contact / Imprint
  • Terms
  • FAQ

© 2025 php.org. All rights reserved.