php man page for variant_set_type

VARIANT_SET_TYPE(3)							 1						       VARIANT_SET_TYPE(3)

variant_set_type - Convert a variant into another type ";in-place"

SYNOPSIS
       void variant_set_type (variant  $variant, int  $type)

DESCRIPTION
	This  function is similar to variant_cast(3) except that the variant is modified "in-place"; no new variant is created. The parameters for
       this function have identical meaning to those of variant_cast(3).

PARAMETERS
	      o $variant
		- The variant.

	      o $type
		-

RETURN VALUES
	No value is returned.

SEE ALSO
       variant_cast(3).

PHP Documentation Group 												       VARIANT_SET_TYPE(3)