NULL
left: NULL
right: ==  true
!=  false
=== true
!== false
xor false

NULL
left: bool(false)
right: ==  true
!=  false
=== false
!== true
xor false

NULL
left: bool(true)
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor false

NULL
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(0) ""
right: ==  true
!=  false
=== false
!== true
xor false

NULL
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor false

NULL
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor true

NULL
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: NULL
right: ==  true
!=  false
=== false
!== true
xor false

bool(false)
left: bool(false)
right: ==  true
!=  false
=== true
!== false
xor false

bool(false)
left: bool(true)
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor false

bool(false)
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(0) ""
right: ==  true
!=  false
=== false
!== true
xor false

bool(false)
left: string(1) "0"
right: ==  true
!=  false
=== false
!== true
xor false

bool(false)
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor true

bool(false)
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor true

bool(true)
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

bool(true)
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

bool(true)
left: bool(true)
right: ==  true
!=  false
=== true
!== false
xor false

bool(true)
left: int(0)
right: ==  false
!=  true
=== false
!== true
xor true

bool(true)
left: int(1)
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: int(2)
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: int(-1)
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

bool(true)
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

bool(true)
left: string(3) "0.0"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(1) "1"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(3) "1.0"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(1) "2"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(3) "2.0"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(2) "-1"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(4) "-1.0"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(2) "-0"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(4) "-0.0"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(1) "a"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(1) " "
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(2) "a "
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(2) "b "
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(2) " a"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(2) " b"
right: ==  true
!=  false
=== false
!== true
xor false

bool(true)
left: string(2) "0 "
right: ==  true
!=  false
=== false
!== true
xor false

int(0)
left: NULL
right: ==  true
!=  false
=== false
!== true
xor false

int(0)
left: bool(false)
right: ==  true
!=  false
=== false
!== true
xor false

int(0)
left: bool(true)
right: ==  false
!=  true
=== false
!== true
xor true

int(0)
left: int(0)
right: ==  true
!=  false
=== true
!== false
xor false

int(0)
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor true

int(0)
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor true

int(0)
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor true

int(0)
left: string(0) ""
right: ==  true
!=  false
=== false
!== true
xor false

int(0)
left: string(1) "0"
right: ==  true
!=  false
=== false
!== true
xor false

int(0)
left: string(3) "0.0"
right: ==  true
!=  false
=== false
!== true
xor true

int(0)
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor true

int(0)
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor true

int(0)
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor true

int(0)
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor true

int(0)
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor true

int(0)
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor true

int(0)
left: string(2) "-0"
right: ==  true
!=  false
=== false
!== true
xor true

int(0)
left: string(4) "-0.0"
right: ==  true
!=  false
=== false
!== true
xor true

int(0)
left: string(1) "a"
right: ==  true
!=  false
=== false
!== true
xor true

int(0)
left: string(1) " "
right: ==  true
!=  false
=== false
!== true
xor true

int(0)
left: string(2) "a "
right: ==  true
!=  false
=== false
!== true
xor true

int(0)
left: string(2) "b "
right: ==  true
!=  false
=== false
!== true
xor true

int(0)
left: string(2) " a"
right: ==  true
!=  false
=== false
!== true
xor true

int(0)
left: string(2) " b"
right: ==  true
!=  false
=== false
!== true
xor true

int(0)
left: string(2) "0 "
right: ==  true
!=  false
=== false
!== true
xor true

int(1)
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

int(1)
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

int(1)
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

int(1)
left: int(0)
right: ==  false
!=  true
=== false
!== true
xor true

int(1)
left: int(1)
right: ==  true
!=  false
=== true
!== false
xor false

int(1)
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

int(1)
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

int(1)
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(1) "1"
right: ==  true
!=  false
=== false
!== true
xor false

int(1)
left: string(3) "1.0"
right: ==  true
!=  false
=== false
!== true
xor false

int(1)
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

int(1)
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

int(2)
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

int(2)
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

int(2)
left: int(0)
right: ==  false
!=  true
=== false
!== true
xor true

int(2)
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: int(2)
right: ==  true
!=  false
=== true
!== false
xor false

int(2)
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

int(2)
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

int(2)
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(1) "2"
right: ==  true
!=  false
=== false
!== true
xor false

int(2)
left: string(3) "2.0"
right: ==  true
!=  false
=== false
!== true
xor false

int(2)
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

int(2)
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

int(-1)
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

int(-1)
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

int(-1)
left: int(0)
right: ==  false
!=  true
=== false
!== true
xor true

int(-1)
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: int(-1)
right: ==  true
!=  false
=== true
!== false
xor false

int(-1)
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

int(-1)
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

int(-1)
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(2) "-1"
right: ==  true
!=  false
=== false
!== true
xor false

int(-1)
left: string(4) "-1.0"
right: ==  true
!=  false
=== false
!== true
xor false

int(-1)
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

int(-1)
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(0) ""
left: NULL
right: ==  true
!=  false
=== false
!== true
xor false

string(0) ""
left: bool(false)
right: ==  true
!=  false
=== false
!== true
xor false

string(0) ""
left: bool(true)
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor false

string(0) ""
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(0) ""
right: ==  true
!=  false
=== true
!== false
xor false

string(0) ""
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor false

string(0) ""
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor true

string(0) ""
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "0"
left: bool(false)
right: ==  true
!=  false
=== false
!== true
xor false

string(1) "0"
left: bool(true)
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor false

string(1) "0"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "0"
left: string(1) "0"
right: ==  true
!=  false
=== true
!== false
xor false

string(1) "0"
left: string(3) "0.0"
right: ==  true
!=  false
=== false
!== true
xor true

string(1) "0"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(2) "-0"
right: ==  true
!=  false
=== false
!== true
xor true

string(1) "0"
left: string(4) "-0.0"
right: ==  true
!=  false
=== false
!== true
xor true

string(1) "0"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "0"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "0.0"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "0.0"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "0.0"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(3) "0.0"
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor true

string(3) "0.0"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "0.0"
left: string(1) "0"
right: ==  true
!=  false
=== false
!== true
xor true

string(3) "0.0"
left: string(3) "0.0"
right: ==  true
!=  false
=== true
!== false
xor false

string(3) "0.0"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(2) "-0"
right: ==  true
!=  false
=== false
!== true
xor false

string(3) "0.0"
left: string(4) "-0.0"
right: ==  true
!=  false
=== false
!== true
xor false

string(3) "0.0"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "0.0"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "1"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "1"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(1) "1"
left: int(0)
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "1"
left: int(1)
right: ==  true
!=  false
=== false
!== true
xor false

string(1) "1"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "1"
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "1"
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(1) "1"
right: ==  true
!=  false
=== true
!== false
xor false

string(1) "1"
left: string(3) "1.0"
right: ==  true
!=  false
=== false
!== true
xor false

string(1) "1"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "1"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "1.0"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "1.0"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(3) "1.0"
left: int(0)
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "1.0"
left: int(1)
right: ==  true
!=  false
=== false
!== true
xor false

string(3) "1.0"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "1.0"
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "1.0"
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(1) "1"
right: ==  true
!=  false
=== false
!== true
xor false

string(3) "1.0"
left: string(3) "1.0"
right: ==  true
!=  false
=== true
!== false
xor false

string(3) "1.0"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "1.0"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "2"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "2"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(1) "2"
left: int(0)
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "2"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: int(2)
right: ==  true
!=  false
=== false
!== true
xor false

string(1) "2"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "2"
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "2"
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(1) "2"
right: ==  true
!=  false
=== true
!== false
xor false

string(1) "2"
left: string(3) "2.0"
right: ==  true
!=  false
=== false
!== true
xor false

string(1) "2"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "2"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "2.0"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "2.0"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(3) "2.0"
left: int(0)
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "2.0"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: int(2)
right: ==  true
!=  false
=== false
!== true
xor false

string(3) "2.0"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "2.0"
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(3) "2.0"
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(1) "2"
right: ==  true
!=  false
=== false
!== true
xor false

string(3) "2.0"
left: string(3) "2.0"
right: ==  true
!=  false
=== true
!== false
xor false

string(3) "2.0"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(3) "2.0"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "-1"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "-1"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(2) "-1"
left: int(0)
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "-1"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: int(-1)
right: ==  true
!=  false
=== false
!== true
xor false

string(2) "-1"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "-1"
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "-1"
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(2) "-1"
right: ==  true
!=  false
=== true
!== false
xor false

string(2) "-1"
left: string(4) "-1.0"
right: ==  true
!=  false
=== false
!== true
xor false

string(2) "-1"
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-1"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(4) "-1.0"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(4) "-1.0"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(4) "-1.0"
left: int(0)
right: ==  false
!=  true
=== false
!== true
xor true

string(4) "-1.0"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: int(-1)
right: ==  true
!=  false
=== false
!== true
xor false

string(4) "-1.0"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(4) "-1.0"
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(4) "-1.0"
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(2) "-1"
right: ==  true
!=  false
=== false
!== true
xor false

string(4) "-1.0"
left: string(4) "-1.0"
right: ==  true
!=  false
=== true
!== false
xor false

string(4) "-1.0"
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-1.0"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "-0"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "-0"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(2) "-0"
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor true

string(2) "-0"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "-0"
left: string(1) "0"
right: ==  true
!=  false
=== false
!== true
xor true

string(2) "-0"
left: string(3) "0.0"
right: ==  true
!=  false
=== false
!== true
xor false

string(2) "-0"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(2) "-0"
right: ==  true
!=  false
=== true
!== false
xor false

string(2) "-0"
left: string(4) "-0.0"
right: ==  true
!=  false
=== false
!== true
xor false

string(2) "-0"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "-0"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(4) "-0.0"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(4) "-0.0"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(4) "-0.0"
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor true

string(4) "-0.0"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(4) "-0.0"
left: string(1) "0"
right: ==  true
!=  false
=== false
!== true
xor true

string(4) "-0.0"
left: string(3) "0.0"
right: ==  true
!=  false
=== false
!== true
xor false

string(4) "-0.0"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(2) "-0"
right: ==  true
!=  false
=== false
!== true
xor false

string(4) "-0.0"
left: string(4) "-0.0"
right: ==  true
!=  false
=== true
!== false
xor false

string(4) "-0.0"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(4) "-0.0"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "a"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "a"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(1) "a"
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor true

string(1) "a"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "a"
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) "a"
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(1) "a"
right: ==  true
!=  false
=== true
!== false
xor false

string(1) "a"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) "a"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(1) " "
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(1) " "
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(1) " "
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor true

string(1) " "
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(1) " "
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(1) " "
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(1) " "
right: ==  true
!=  false
=== true
!== false
xor false

string(1) " "
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(1) " "
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "a "
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "a "
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(2) "a "
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor true

string(2) "a "
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "a "
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "a "
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(2) "a "
right: ==  true
!=  false
=== true
!== false
xor false

string(2) "a "
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "a "
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "b "
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "b "
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(2) "b "
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor true

string(2) "b "
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "b "
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "b "
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(2) "b "
right: ==  true
!=  false
=== true
!== false
xor false

string(2) "b "
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "b "
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(2) " a"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(2) " a"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(2) " a"
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor true

string(2) " a"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(2) " a"
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(2) " a"
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(2) " a"
right: ==  true
!=  false
=== true
!== false
xor false

string(2) " a"
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " a"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(2) " b"
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(2) " b"
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(2) " b"
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor true

string(2) " b"
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(2) " b"
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(2) " b"
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) " b"
left: string(2) " b"
right: ==  true
!=  false
=== true
!== false
xor false

string(2) " b"
left: string(2) "0 "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: NULL
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "0 "
left: bool(false)
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "0 "
left: bool(true)
right: ==  true
!=  false
=== false
!== true
xor false

string(2) "0 "
left: int(0)
right: ==  true
!=  false
=== false
!== true
xor true

string(2) "0 "
left: int(1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: int(2)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: int(-1)
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(0) ""
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "0 "
left: string(1) "0"
right: ==  false
!=  true
=== false
!== true
xor true

string(2) "0 "
left: string(3) "0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(1) "1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(3) "1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(1) "2"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(3) "2.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(2) "-1"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(4) "-1.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(2) "-0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(4) "-0.0"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(1) "a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(1) " "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(2) "a "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(2) "b "
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(2) " a"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(2) " b"
right: ==  false
!=  true
=== false
!== true
xor false

string(2) "0 "
left: string(2) "0 "
right: ==  true
!=  false
=== true
!== false
xor false