Null settype ( $copy, 'null' ) (unset) unset() CastToType::_null ( $x ) ‡1 isset() empty() is_null() == null === null == 'null' === 'null' Null
Null settype ( $copy, 'null' ) (unset) unset() CastToType::_null ( $x ) ‡1 isset() empty() is_null() == null === null == 'null' === 'null' Null
$x = null : ( = NULL )
null null null
#2 )
null false true true true true false false $x = null : ( = NULL )
$x = null : ( = NULL )
null null null
#2 )
null false true true true true false false $x = null : ( = NULL )
$x = bool : ( = false )
null null null
#2 )
null true true false true false false false $x = bool : ( = false )
$x = bool : 1 ( = true )
null null null
#2 )
null true false false false false true false $x = bool : 1 ( = true )
$x = int : 1
null null null
#2 )
null true false false false false false false $x = int : 1
$x = int : 0
null null null
#2 )
null true true false true false true false $x = int : 0
$x = int : -1
null null null
#2 )
null true false false false false false false $x = int : -1
$x = int : 42
null null null
#2 )
null true false false false false false false $x = int : 42
†i8$x = int : 13369593
null null null
#2 )
null true false false false false false false †i8$x = int : 13369593
†i9$x = int : 42
null null null
#2 )
null true false false false false false false †i9$x = int : 42
†ia$x = int : 57
null null null
#2 )
null true false false false false false false †ia$x = int : 57
$x = float : 1.3
null null null
#2 )
null true false false false false false false $x = float : 1.3
$x = float : 0.005
null null null
#2 )
null true false false false false false false $x = float : 0.005
$x = float : 0
null null null
#2 )
null true true false true false true false $x = float : 0
$x = float : -1.3
null null null
#2 )
null true false false false false false false $x = float : -1.3
†f5$x = float : NAN
null null null
#2 )
null true false false false false false false †f5$x = float : NAN
†f6$x = float : NAN
null null null
#2 )
null true false false false false false false †f6$x = float : NAN
†f7$x = float : -INF
null null null
#2 )
null true false false false false false false †f7$x = float : -INF
†f8$x = float : INF
null null null
#2 )
null true false false false false false false †f8$x = float : INF
†f9$x = float : 123450000
null null null
#2 )
null true false false false false false false †f9$x = float : 123450000
$x = string[0] : ‘’
null null null
#2 )
null true true false true false false false $x = string[0] : ‘’
$x = string[1] : ‘ ’
null null null
#2 )
null true false false false false false false $x = string[1] : ‘ ’
$x = string[2] : ‘ 1’
null null null
#2 )
null true false false false false false false $x = string[2] : ‘ 1’
$x = string[3] : ‘ 3 ’
null null null
#2 )
null true false false false false false false $x = string[3] : ‘ 3 ’
$x = string[1] : ‘1’
null null null
#2 )
null true false false false false false false $x = string[1] : ‘1’
$x = string[1] : ‘0’
null null null
#2 )
null true true false false false false false $x = string[1] : ‘0’
$x = string[2] : ‘-1’
null null null
#2 )
null true false false false false false false $x = string[2] : ‘-1’
$x = string[2] : ‘42’
null null null
#2 )
null true false false false false false false $x = string[2] : ‘42’
$x = string[3] : ‘1.3’
null null null
#2 )
null true false false false false false false $x = string[3] : ‘1.3’
$x = string[3] : ‘0.0’
null null null
#2 )
null true false false false false false false $x = string[3] : ‘0.0’
$x = string[6] : ‘-1.305’
null null null
#2 )
null true false false false false false false $x = string[6] : ‘-1.305’
$x = string[4] : ‘true’
null null null
#2 )
null true false false false false false false $x = string[4] : ‘true’
$x = string[5] : ‘false’
null null null
#2 )
null true false false false false false false $x = string[5] : ‘false’
$x = string[4] : ‘null’
null null null
#2 )
null true false false false false true true $x = string[4] : ‘null’
$x = string[6] : ‘123str’
null null null
#2 )
null true false false false false false false $x = string[6] : ‘123str’
$x = string[6] : ‘str123’
null null null
#2 )
null true false false false false false false $x = string[6] : ‘str123’
$x = string[10] : ‘123, "str"’
null null null
#2 )
null true false false false false false false $x = string[10] : ‘123, "str"’
$x = string[8] : ‘0xCC00F9’
null null null
#2 )
null true false false false false false false $x = string[8] : ‘0xCC00F9’
$x = string[4] : ‘0123’
null null null
#2 )
null true false false false false false false $x = string[4] : ‘0123’
$x = array()
null null null
#2 )
null true true false true false false false $x = array()
$x = Array: (
    [1 (int)] => string[6] : ‘string’
)
null null null
#2 )
null true false false false false false false $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 )
)
null null null
#2 )
null true false false false false false false $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 (
    )
)
null null null
#2 )
null true false false false false false false $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
    )
)
null null null
#2 )
null true 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 )
null null null
#2 )
null true false false false false false false $x = resource : Resource id #10 ( = RESOURCE )
$x = Object: (
    Class: SplBool (
        property: __default = bool : ( = false )
        method: getConstList
        method: __construct
    )
)
null null null
#2 )
null true true 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
    )
)
null null null
#2 )
null true false false false false true false $x = Object: (
    Class: SplBool (
        property: __default = bool : 1 ( = true )
        method: getConstList
        method: __construct
    )
)