Floats	settype ( $copy, 'float' )	(float)	floatval()	$x + 0.0	filter_var (…)	filter_var (…) ‡1	CastToType::_float ( $x, false, false ) ‡2	empty()	is_float()	is_numeric()	ctype_digit() ‡3	preg_match (`^[0-9\.]+$`)	preg_match (`^[0-9\.-]+$`)	preg_match (`^[\p{N}\.-]+$`u)	Floats
Floats	settype ( $copy, 'float' )	(float)	floatval()	$x + 0.0	filter_var (…)	filter_var (…) ‡1	CastToType::_float ( $x, false, false ) ‡2	empty()	is_float()	is_numeric()	ctype_digit() ‡3	preg_match (`^[0-9\.]+$`)	preg_match (`^[0-9\.-]+$`)	preg_match (`^[\p{N}\.-]+$`u)	Floats
$x = null : ( = NULL )	0	0	0	0	b false	null	null	true	false	false	false	false	false	false	$x = null : ( = NULL )
$x = null : ( = NULL )	0	0	0	0	b false	null	null	true	false	false	false	false	false	false	$x = null : ( = NULL )
$x = bool : ( = false )	0	0	0	0	b false	null	null	true	false	false	false	false	false	false	$x = bool : ( = false )
$x = bool : 1 ( = true )	1	1	1	1	1	1	1	false	false	false	false	true	true	true	$x = bool : 1 ( = true )
$x = int : 1	1	1	1	1	1	1	1	false	false	true	false	true	true	true	$x = int : 1
$x = int : 0	0	0	0	0	0	0	0	true	false	true	false	true	true	true	$x = int : 0
$x = int : -1	-1	-1	-1	-1	-1	-1	-1	false	false	true	false	false	true	true	$x = int : -1
$x = int : 42	42	42	42	42	42	42	42	false	false	true	false	true	true	true	$x = int : 42
†i8$x = int : 13369593	13369593	13369593	13369593	13369593	13369593	13369593	13369593	false	false	true	true	true	true	true	†i8$x = int : 13369593
†i9$x = int : 42	42	42	42	42	42	42	42	false	false	true	false	true	true	true	†i9$x = int : 42
†ia$x = int : 57	57	57	57	57	57	57	57	false	false	true	true	true	true	true	†ia$x = int : 57
$x = float : 1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3	false	true	true	false	true	true	true	$x = float : 1.3
$x = float : 0.005	0.005	0.005	0.005	0.005	0.005	0.005	0.005	false	true	true	false	true	true	true	$x = float : 0.005
$x = float : 0	0	0	0	0	0	0	0	true	true	true	false	true	true	true	$x = float : 0
$x = float : -1.3	-1.3	-1.3	-1.3	-1.3	-1.3	-1.3	-1.3	false	true	true	false	false	true	true	$x = float : -1.3
†f5$x = float : NAN	NAN	NAN	NAN	NAN	b false	null	NAN	false	true	true	false	false	false	false	†f5$x = float : NAN
†f6$x = float : NAN	NAN	NAN	NAN	NAN	b false	null	NAN	false	true	true	false	false	false	false	†f6$x = float : NAN
†f7$x = float : -INF	-INF	-INF	-INF	-INF	b false	null	-INF	false	true	true	false	false	false	false	†f7$x = float : -INF
†f8$x = float : INF	INF	INF	INF	INF	b false	null	INF	false	true	true	false	false	false	false	†f8$x = float : INF
†f9$x = float : 123450000	123450000	123450000	123450000	123450000	123450000	123450000	123450000	false	true	true	false	true	true	true	†f9$x = float : 123450000
†fa$x = string[3] : ‘⅕’	0	0	0	0	b false	null	null	false	false	false	false	false	false	true	†fa$x = string[3] : ‘⅕’
$x = string[0] : ‘’	0	0	0	0	b false	null	null	true	false	false	false	false	false	false	$x = string[0] : ‘’
$x = string[1] : ‘ ’	0	0	0	0	b false	null	null	false	false	false	false	false	false	false	$x = string[1] : ‘ ’
$x = string[2] : ‘ 1’	1	1	1	1	1	1	1	false	false	true	false	false	false	false	$x = string[2] : ‘ 1’
$x = string[3] : ‘ 3 ’	3	3	3	3	3	3	3	false	false	false	false	false	false	false	$x = string[3] : ‘ 3 ’
$x = string[1] : ‘1’	1	1	1	1	1	1	1	false	false	true	true	true	true	true	$x = string[1] : ‘1’
$x = string[1] : ‘0’	0	0	0	0	0	0	0	true	false	true	true	true	true	true	$x = string[1] : ‘0’
$x = string[2] : ‘-1’	-1	-1	-1	-1	-1	-1	-1	false	false	true	false	false	true	true	$x = string[2] : ‘-1’
$x = string[2] : ‘42’	42	42	42	42	42	42	42	false	false	true	true	true	true	true	$x = string[2] : ‘42’
$x = string[3] : ‘1.3’	1.3	1.3	1.3	1.3	1.3	1.3	1.3	false	false	true	false	true	true	true	$x = string[3] : ‘1.3’
$x = string[3] : ‘0.0’	0	0	0	0	0	0	0	false	false	true	false	true	true	true	$x = string[3] : ‘0.0’
$x = string[6] : ‘-1.305’	-1.305	-1.305	-1.305	-1.305	-1.305	-1.305	-1.305	false	false	true	false	false	true	true	$x = string[6] : ‘-1.305’
$x = string[4] : ‘true’	0	0	0	0	b false	null	null	false	false	false	false	false	false	false	$x = string[4] : ‘true’
$x = string[5] : ‘false’	0	0	0	0	b false	null	null	false	false	false	false	false	false	false	$x = string[5] : ‘false’
$x = string[4] : ‘null’	0	0	0	0	b false	null	null	false	false	false	false	false	false	false	$x = string[4] : ‘null’
$x = string[6] : ‘123str’	123	123	123	123	b false	null	null	false	false	false	false	false	false	false	$x = string[6] : ‘123str’
$x = string[6] : ‘str123’	0	0	0	0	b false	null	null	false	false	false	false	false	false	false	$x = string[6] : ‘str123’
$x = string[10] : ‘123, "str"’	123	123	123	123	b false	null	null	false	false	false	false	false	false	false	$x = string[10] : ‘123, "str"’
$x = string[8] : ‘0xCC00F9’	0	0	0	13369593	b false	null	null	false	false	true	false	false	false	false	$x = string[8] : ‘0xCC00F9’
$x = string[4] : ‘0123’	123	123	123	123	123	123	123	false	false	true	true	true	true	true	$x = string[4] : ‘0123’
$x = array()	0	0	0	Fatal error ( #2 )	array()	array()	null	true	false	false	false	Error ( #3 )	Error ( #3 )	Error ( #3 )	$x = array()
$x = Array: (     [1 (int)] => string[6] : ‘string’ )	1	1	1	Fatal error ( #2 )	Array: (   [1] => b false )	Array: (   [1] => null )	Array: (   [1] => null )	false	false	false	false	Error ( #3 )	Error ( #3 )	Error ( #3 )	$x = Array: (     [1 (int)] => string[6] : ‘string’ )
$x = Array: (     [0 (int)] => bool : ( = false )     [1 (int)] => int : 1     [2 (int)] => float : 1.3     [3 (int)] => string[6] : ‘123str’     [4 (int)] => string[6] : ‘str123’     [5 (int)] => null : ( = NULL ) )	1	1	1	Fatal error ( #2 )	Array: (   [0] => b false   [1] => 1   [2] => 1.3   [3] => b false   [4] => b false   [5] => b false )	Array: (   [0] => null   [1] => 1   [2] => 1.3   [3] => null   [4] => null   [5] => null )	Array: (   [0] => null   [1] => 1   [2] => 1.3   [3] => null   [4] => null   [5] => null )	false	false	false	false	Error ( #3 )	Error ( #3 )	Error ( #3 )	$x = Array: (     [0 (int)] => bool : ( = false )     [1 (int)] => int : 1     [2 (int)] => float : 1.3     [3 (int)] => string[6] : ‘123str’     [4 (int)] => string[6] : ‘str123’     [5 (int)] => null : ( = NULL ) )
$x = Object: (     Class: stdClass (     ) )	1 ( #4 )	1 ( #4 )	1 ( #4 )	1 ( #5 )	b false	null	null	false	false	false	false	Error ( #3 )	Error ( #3 )	Error ( #3 )	$x = Object: (     Class: stdClass (     ) )
$x = Object: (     Class: TestObjectToString (         property: test3 = string[11] : ‘some string’         property: test1 = null : ( = NULL )         property: test2 = bool : 1 ( = true )         method: __toString         method: print_it     ) )	1 ( #4 )	1 ( #4 )	1 ( #4 )	1 ( #5 )	b false	null	null	false	false	false	false	false	false	false	$x = Object: (     Class: TestObjectToString (         property: test3 = string[11] : ‘some string’         property: test1 = null : ( = NULL )         property: test2 = bool : 1 ( = true )         method: __toString         method: print_it     ) )
$x = resource : Resource id #10 ( = RESOURCE )	10	10	10	10	b false	null	null	false	false	false	false	Error ( #3 )	Error ( #3 )	Error ( #3 )	$x = resource : Resource id #10 ( = RESOURCE )
$x = Object: (     Class: SplBool (         property: __default = bool : ( = false )         method: getConstList         method: __construct     ) )	0	0	0	0	b false	null	null	true	false	false	false	false	false	false	$x = Object: (     Class: SplBool (         property: __default = bool : ( = false )         method: getConstList         method: __construct     ) )
$x = Object: (     Class: SplBool (         property: __default = bool : 1 ( = true )         method: getConstList         method: __construct     ) )	1	1	1	1	b false	null	1	false	false	false	false	true	true	true	$x = Object: (     Class: SplBool (         property: __default = bool : 1 ( = true )         method: getConstList         method: __construct     ) )