gettype()

Returns a string value representing the data type of a variable

  $name = "Adam";
  $age = 1000;
 
  echo gettype($name); // Prints: string

  echo gettype($age); // Prints: integer

  if (gettype($name) === "string")

var_dump()

Prints details about the variable it is given

var_dump($name); // Prints: string(4) "Adam"