Search results for: "PHP file uploads"

What are best practices for handling file paths and directory access in PHP when using functions like exec()?

When using functions like exec() in PHP, it is important to properly handle file paths and directory access to prevent security vulnerabilities. One b...

What are some potential pitfalls when using checkboxes in PHP forms to store values in a flat file?

One potential pitfall when using checkboxes in PHP forms to store values in a flat file is that unchecked checkboxes do not get submitted with the for...

How can PHP headers be utilized to redirect to a file for download while tracking the download count?

To redirect to a file for download while tracking the download count using PHP headers, you can first increment a counter variable in your database wh...

What are common pitfalls in PHP user authentication systems that store usernames and passwords in a file format?

One common pitfall in PHP user authentication systems that store usernames and passwords in a file format is the lack of proper security measures to p...

How does the use of loops impact the performance of reading a file into a string in PHP?

Using loops to read a file into a string in PHP can impact performance because it requires multiple iterations to read the file line by line or in sma...