In PHP, a callback function is a function that is passed as an argument to another function.
- Another function
- A class method
- An event handler function
- All of the above
In PHP, a callback function is a function that is passed as an argument to another function. This allows the receiving function to call the callback function at a later point in the code. Callback functions are commonly used in PHP for various purposes, such as event handling, dynamic function invocation, and more. The correct option is "Another function" as it covers the general use case of callback functions in PHP. For further information, consult the PHP documentation on callback functions: http://php.net/manual/en/language.types.callable.php
Loading...
Related Quiz
- You need to store a price, which includes cents, in a variable in your PHP script. What type of number would you use and why?
- What is the concept of autoloading in PHP? How does it work and how can you implement it in your code?
- What are some common practices in PHP when dealing with JSON data?
- Which of the following is a comparison operator in PHP?
- What PHP function can be used to format a date?