When should I use require vs include ?

Here is an answer to the PHP interview question "When should I use require vs include?":

require vs include in PHP

The require and include statements in PHP are used to include external files into a PHP script. The main difference between them is how they handle errors when the file cannot be included.

require

• require is used when the script cannot continue execution if the file is not found or included successfully.
• If the file cannot be included, require will throw a fatal error (E_COMPILE_ERROR) and stop the script.
• Use require for critical files that are absolutely necessary for the script to run, such as configuration files, class definitions, etc.

include

• include is used when the script can still continue execution even if the file is not included successfully.
• If the file cannot be included, include will throw a warning (E_WARNING) but the script will continue running.
• Use include for optional files that provide additional functionality but are not critical to the core logic of the script.

Other differences

• require is sl...