In PHP, which keyword is used to define a constant?

  • constant
  • define
  • const
  • let
Constants in PHP are defined using the define function. It's not a keyword but a function used to create named constants with a specific value.

PHP is loosely typed, meaning:

  • Data types are strictly enforced
  • Data types are dynamically determined
  • Data types are not used in PHP
  • Data types are implicitly cast
PHP is loosely typed, meaning that data types are dynamically determined by the context in which they are used. Variables can change their data type as needed.