PHP Manual
Function Reference
Variable and Type Related Extensions
Variable handling
Variable handling Functions
boolval
debug_zval_dump
doubleval
empty
floatval
get_defined_vars
get_resource_type
gettype
import_request_variables
intval
is_array
is_bool
is_callable
is_double
is_float
is_int
is_integer
is_long
is_null
is_numeric
is_object
is_real
is_resource
is_scalar
is_string
isset
print_r
serialize
settype
strval
unserialize
unset
var_dump
var_export
debug_zval_dump
empty
Variable handling Functions
PHP Manual
doubleval
Alias of
floatval
Description
This function is an alias of:
floatval
.
Changelog
Version
Description
4.2.0
doubleval
became an alias of
floatval
. Before this time, only
doubleval
existed.