Search results for: "error checking"

What are the potential reasons for encountering an unexpected server error when checking a specific URL in PHP?

Encountering an unexpected server error when checking a specific URL in PHP could be due to various reasons such as incorrect URL formatting, server m...

What are some recommended ways to handle error checking and feedback when executing SQL queries in PHP?

When executing SQL queries in PHP, it is important to handle error checking and provide feedback to the user in case of any issues. One recommended wa...

What are the best practices for error handling and checking variable existence in PHP to avoid issues like displaying error messages incorrectly?

When handling errors and checking variable existence in PHP, it's important to use conditional statements like isset() or empty() to verify if a varia...

How can PHP scripts effectively handle input validation and error checking to prevent unexpected behavior?

To handle input validation and error checking in PHP scripts, developers can use functions like `filter_var()` to sanitize and validate input data, as...

What is the best practice for checking if a database entry has been made before displaying error messages in PHP?

When checking if a database entry has been made before displaying error messages in PHP, it is best practice to query the database to see if the entry...