Top 10 PHP Interview Questions and Answers
die(): This function is used to stop the execution of a script and display an error message.
trigger_error(): This function is used to raise a custom error message.
set_error_handler(): This function is used to set a custom error handler function that will be called when an error occurs.
In addition to these built-in functions, you can also use try-catch blocks to handle exceptions in your code. A try-catch block looks like this:
try { // code that may throw an exception } catch (Exception $e) { // code to handle the exception }
- How do you connect to a database in PHP?
To connect to a database in PHP, you need to use a database connectivity library or extensions such as MySQLi or PDO. The process of connecting to a database typically involves the following steps:
Connect to the database server using the appropriate function or method.
Select the database you want to connect to.
Authenticate using a valid username and password.
Examples of different functions and libraries used for database connectivity in PHP include:
