Search results for: "cryptographic functions"

How can PHP be used to send a value back to the calling page after executing functions on a remote page?

To send a value back to the calling page after executing functions on a remote page, you can use sessions or cookies to store the value on the remote...

What are the best practices for preventing SQL injections in PHP, and how do prepared statements compare to functions like mysql_real_escape_string?

To prevent SQL injections in PHP, it is recommended to use prepared statements with parameterized queries. Prepared statements separate SQL code from...

What potential pitfalls or errors could arise when using regular expressions in PHP functions like the one discussed in the thread?

One potential pitfall when using regular expressions in PHP functions is not properly escaping special characters. This can lead to unexpected results...

How important is it to stay updated on PHP functions and features, and how does this relate to the certification process?

It is important to stay updated on PHP functions and features as the language evolves with new capabilities and improvements. This is crucial for main...

What role does the global keyword play in PHP functions, and how can its misuse lead to errors in database queries?

The global keyword in PHP functions allows variables defined outside the function to be accessed and modified within the function. However, its misuse...