php man page for gettype

GETTYPE(3)								 1								GETTYPE(3)

gettype - Get the type of a variable

SYNOPSIS
       string gettype (mixed  $var)

DESCRIPTION
	Returns the type of the PHP variable $var. For type checking, use is_* functions.

PARAMETERS
	      o $var
		- The variable being type checked.

RETURN VALUES
	Possible values for the returned string are:

	      o "
		boolean"

	      o "
		integer"

	      o "
		double" (for historical reasons "double" is returned in case of a float, and not simply "float")

	      o "
		string"

	      o "
		array"

	      o "
		object"

	      o "
		resource"

	      o "
		NULL"

	      o "unknown type"

EXAMPLES
       Example #1

	      gettype(3) example

	      <?php

	      $data = array(1, 1., NULL, new stdClass, 'foo');

	      foreach ($data as $value) {
		  echo gettype($value), "
";
	      }

	      ?>

	      The above example will output something similar to:

	      integer
	      double
	      NULL
	      object
	      string

SEE ALSO
       settype(3),  get_class(3),  is_array(3),  is_bool(3),  is_callable(3),  is_float(3),  is_int(3),  is_null(3),  is_numeric(3), is_object(3),
       is_resource(3), is_scalar(3), is_string(3), function_exists(3), method_exists(3).

PHP Documentation Group 														GETTYPE(3)