PHP Data Types

• Basic types
  • integer — integer type, represents whole numbers
  • float — floating point, double-precision values, represents all real numbers
  • string — string type, represents strings
  • boolean — boolean, represents true or false
  • array — array, holds multiple data items of the same type
  • object — object, holds an instance of a class; a special type
  • NULL — null, a variable that has not been assigned a value, has been reset, or has been assigned the special value NULL is a variable of the NULL type
  • resource — resource, specific built-in functions (for example database functions) return variables of the resource type; they must be passed as arguments to other functions