Search results for: "execution errors"

How can you ensure that a function in PHP returns the desired value?

To ensure that a function in PHP returns the desired value, you should carefully review the logic within the function to ensure it is correctly proces...

What are the best practices for debugging SQL queries in PHP applications?

When debugging SQL queries in PHP applications, it is important to echo or log the SQL query being executed along with any relevant variables to ensur...

What does a return value of -1 from mysqli_affected_rows indicate in PHP?

A return value of -1 from mysqli_affected_rows in PHP indicates that an error occurred while trying to retrieve the number of affected rows from a pre...

How can separating SQL statements and adding timers aid in debugging PHP code?

Separating SQL statements and adding timers can aid in debugging PHP code by allowing you to isolate and identify any issues with database queries and...

What are common pitfalls to avoid when working with PHP functions like var_dump() and fetch()?

One common pitfall when working with PHP functions like var_dump() and fetch() is not properly handling the output or return value. It's important to...