--TEST--
comparing different variables for identity
--SKIPIF--
<?php if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only"); ?>
--FILE--
<?php
class test {
}
$a = array(
array(1,2,3),
"",
1,
2.5,
0,
"string",
"123",
"2.5",
NULL,
true,
false,
new stdclass,
new stdclass,
new test,
array(),
-PHP_INT_MAX-1,
(string)(-PHP_INT_MAX-1),
);
$var_cnt = count($a);
function my_dump($var) {
ob_start();
var_dump($var);
$buf = ob_get_clean();
echo str_replace("\n", "", $buf);
}
foreach($a as $var) {
for ($i = 0; $i < $var_cnt; $i++) {
my_dump($var);
echo ($var === $a[$i]) ? " === " : " !== ";
my_dump($a[$i]);
echo "\n";
}
}
echo "Done\n";
?>
--EXPECTF--
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} === array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== string(0) ""
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== int(1)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== float(2.5)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== int(0)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== string(6) "string"
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== string(3) "123"
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== string(3) "2.5"
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== NULL
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== bool(true)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== bool(false)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== object(stdClass)#1 (0) {}
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== object(stdClass)#2 (0) {}
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== object(test)#3 (0) {}
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== array(0) {}
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== int(-2147483648)
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)} !== string(11) "-2147483648"
string(0) "" !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
string(0) "" === string(0) ""
string(0) "" !== int(1)
string(0) "" !== float(2.5)
string(0) "" !== int(0)
string(0) "" !== string(6) "string"
string(0) "" !== string(3) "123"
string(0) "" !== string(3) "2.5"
string(0) "" !== NULL
string(0) "" !== bool(true)
string(0) "" !== bool(false)
string(0) "" !== object(stdClass)#1 (0) {}
string(0) "" !== object(stdClass)#2 (0) {}
string(0) "" !== object(test)#3 (0) {}
string(0) "" !== array(0) {}
string(0) "" !== int(-2147483648)
string(0) "" !== string(11) "-2147483648"
int(1) !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
int(1) !== string(0) ""
int(1) === int(1)
int(1) !== float(2.5)
int(1) !== int(0)
int(1) !== string(6) "string"
int(1) !== string(3) "123"
int(1) !== string(3) "2.5"
int(1) !== NULL
int(1) !== bool(true)
int(1) !== bool(false)
int(1) !== object(stdClass)#1 (0) {}
int(1) !== object(stdClass)#2 (0) {}
int(1) !== object(test)#3 (0) {}
int(1) !== array(0) {}
int(1) !== int(-2147483648)
int(1) !== string(11) "-2147483648"
float(2.5) !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
float(2.5) !== string(0) ""
float(2.5) !== int(1)
float(2.5) === float(2.5)
float(2.5) !== int(0)
float(2.5) !== string(6) "string"
float(2.5) !== string(3) "123"
float(2.5) !== string(3) "2.5"
float(2.5) !== NULL
float(2.5) !== bool(true)
float(2.5) !== bool(false)
float(2.5) !== object(stdClass)#1 (0) {}
float(2.5) !== object(stdClass)#2 (0) {}
float(2.5) !== object(test)#3 (0) {}
float(2.5) !== array(0) {}
float(2.5) !== int(-2147483648)
float(2.5) !== string(11) "-2147483648"
int(0) !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
int(0) !== string(0) ""
int(0) !== int(1)
int(0) !== float(2.5)
int(0) === int(0)
int(0) !== string(6) "string"
int(0) !== string(3) "123"
int(0) !== string(3) "2.5"
int(0) !== NULL
int(0) !== bool(true)
int(0) !== bool(false)
int(0) !== object(stdClass)#1 (0) {}
int(0) !== object(stdClass)#2 (0) {}
int(0) !== object(test)#3 (0) {}
int(0) !== array(0) {}
int(0) !== int(-2147483648)
int(0) !== string(11) "-2147483648"
string(6) "string" !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
string(6) "string" !== string(0) ""
string(6) "string" !== int(1)
string(6) "string" !== float(2.5)
string(6) "string" !== int(0)
string(6) "string" === string(6) "string"
string(6) "string" !== string(3) "123"
string(6) "string" !== string(3) "2.5"
string(6) "string" !== NULL
string(6) "string" !== bool(true)
string(6) "string" !== bool(false)
string(6) "string" !== object(stdClass)#1 (0) {}
string(6) "string" !== object(stdClass)#2 (0) {}
string(6) "string" !== object(test)#3 (0) {}
string(6) "string" !== array(0) {}
string(6) "string" !== int(-2147483648)
string(6) "string" !== string(11) "-2147483648"
string(3) "123" !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
string(3) "123" !== string(0) ""
string(3) "123" !== int(1)
string(3) "123" !== float(2.5)
string(3) "123" !== int(0)
string(3) "123" !== string(6) "string"
string(3) "123" === string(3) "123"
string(3) "123" !== string(3) "2.5"
string(3) "123" !== NULL
string(3) "123" !== bool(true)
string(3) "123" !== bool(false)
string(3) "123" !== object(stdClass)#1 (0) {}
string(3) "123" !== object(stdClass)#2 (0) {}
string(3) "123" !== object(test)#3 (0) {}
string(3) "123" !== array(0) {}
string(3) "123" !== int(-2147483648)
string(3) "123" !== string(11) "-2147483648"
string(3) "2.5" !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
string(3) "2.5" !== string(0) ""
string(3) "2.5" !== int(1)
string(3) "2.5" !== float(2.5)
string(3) "2.5" !== int(0)
string(3) "2.5" !== string(6) "string"
string(3) "2.5" !== string(3) "123"
string(3) "2.5" === string(3) "2.5"
string(3) "2.5" !== NULL
string(3) "2.5" !== bool(true)
string(3) "2.5" !== bool(false)
string(3) "2.5" !== object(stdClass)#1 (0) {}
string(3) "2.5" !== object(stdClass)#2 (0) {}
string(3) "2.5" !== object(test)#3 (0) {}
string(3) "2.5" !== array(0) {}
string(3) "2.5" !== int(-2147483648)
string(3) "2.5" !== string(11) "-2147483648"
NULL !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
NULL !== string(0) ""
NULL !== int(1)
NULL !== float(2.5)
NULL !== int(0)
NULL !== string(6) "string"
NULL !== string(3) "123"
NULL !== string(3) "2.5"
NULL === NULL
NULL !== bool(true)
NULL !== bool(false)
NULL !== object(stdClass)#1 (0) {}
NULL !== object(stdClass)#2 (0) {}
NULL !== object(test)#3 (0) {}
NULL !== array(0) {}
NULL !== int(-2147483648)
NULL !== string(11) "-2147483648"
bool(true) !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
bool(true) !== string(0) ""
bool(true) !== int(1)
bool(true) !== float(2.5)
bool(true) !== int(0)
bool(true) !== string(6) "string"
bool(true) !== string(3) "123"
bool(true) !== string(3) "2.5"
bool(true) !== NULL
bool(true) === bool(true)
bool(true) !== bool(false)
bool(true) !== object(stdClass)#1 (0) {}
bool(true) !== object(stdClass)#2 (0) {}
bool(true) !== object(test)#3 (0) {}
bool(true) !== array(0) {}
bool(true) !== int(-2147483648)
bool(true) !== string(11) "-2147483648"
bool(false) !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
bool(false) !== string(0) ""
bool(false) !== int(1)
bool(false) !== float(2.5)
bool(false) !== int(0)
bool(false) !== string(6) "string"
bool(false) !== string(3) "123"
bool(false) !== string(3) "2.5"
bool(false) !== NULL
bool(false) !== bool(true)
bool(false) === bool(false)
bool(false) !== object(stdClass)#1 (0) {}
bool(false) !== object(stdClass)#2 (0) {}
bool(false) !== object(test)#3 (0) {}
bool(false) !== array(0) {}
bool(false) !== int(-2147483648)
bool(false) !== string(11) "-2147483648"
object(stdClass)#1 (0) {} !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
object(stdClass)#1 (0) {} !== string(0) ""
object(stdClass)#1 (0) {} !== int(1)
object(stdClass)#1 (0) {} !== float(2.5)
object(stdClass)#1 (0) {} !== int(0)
object(stdClass)#1 (0) {} !== string(6) "string"
object(stdClass)#1 (0) {} !== string(3) "123"
object(stdClass)#1 (0) {} !== string(3) "2.5"
object(stdClass)#1 (0) {} !== NULL
object(stdClass)#1 (0) {} !== bool(true)
object(stdClass)#1 (0) {} !== bool(false)
object(stdClass)#1 (0) {} === object(stdClass)#1 (0) {}
object(stdClass)#1 (0) {} !== object(stdClass)#2 (0) {}
object(stdClass)#1 (0) {} !== object(test)#3 (0) {}
object(stdClass)#1 (0) {} !== array(0) {}
object(stdClass)#1 (0) {} !== int(-2147483648)
object(stdClass)#1 (0) {} !== string(11) "-2147483648"
object(stdClass)#2 (0) {} !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
object(stdClass)#2 (0) {} !== string(0) ""
object(stdClass)#2 (0) {} !== int(1)
object(stdClass)#2 (0) {} !== float(2.5)
object(stdClass)#2 (0) {} !== int(0)
object(stdClass)#2 (0) {} !== string(6) "string"
object(stdClass)#2 (0) {} !== string(3) "123"
object(stdClass)#2 (0) {} !== string(3) "2.5"
object(stdClass)#2 (0) {} !== NULL
object(stdClass)#2 (0) {} !== bool(true)
object(stdClass)#2 (0) {} !== bool(false)
object(stdClass)#2 (0) {} !== object(stdClass)#1 (0) {}
object(stdClass)#2 (0) {} === object(stdClass)#2 (0) {}
object(stdClass)#2 (0) {} !== object(test)#3 (0) {}
object(stdClass)#2 (0) {} !== array(0) {}
object(stdClass)#2 (0) {} !== int(-2147483648)
object(stdClass)#2 (0) {} !== string(11) "-2147483648"
object(test)#3 (0) {} !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
object(test)#3 (0) {} !== string(0) ""
object(test)#3 (0) {} !== int(1)
object(test)#3 (0) {} !== float(2.5)
object(test)#3 (0) {} !== int(0)
object(test)#3 (0) {} !== string(6) "string"
object(test)#3 (0) {} !== string(3) "123"
object(test)#3 (0) {} !== string(3) "2.5"
object(test)#3 (0) {} !== NULL
object(test)#3 (0) {} !== bool(true)
object(test)#3 (0) {} !== bool(false)
object(test)#3 (0) {} !== object(stdClass)#1 (0) {}
object(test)#3 (0) {} !== object(stdClass)#2 (0) {}
object(test)#3 (0) {} === object(test)#3 (0) {}
object(test)#3 (0) {} !== array(0) {}
object(test)#3 (0) {} !== int(-2147483648)
object(test)#3 (0) {} !== string(11) "-2147483648"
array(0) {} !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
array(0) {} !== string(0) ""
array(0) {} !== int(1)
array(0) {} !== float(2.5)
array(0) {} !== int(0)
array(0) {} !== string(6) "string"
array(0) {} !== string(3) "123"
array(0) {} !== string(3) "2.5"
array(0) {} !== NULL
array(0) {} !== bool(true)
array(0) {} !== bool(false)
array(0) {} !== object(stdClass)#1 (0) {}
array(0) {} !== object(stdClass)#2 (0) {}
array(0) {} !== object(test)#3 (0) {}
array(0) {} === array(0) {}
array(0) {} !== int(-2147483648)
array(0) {} !== string(11) "-2147483648"
int(-2147483648) !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
int(-2147483648) !== string(0) ""
int(-2147483648) !== int(1)
int(-2147483648) !== float(2.5)
int(-2147483648) !== int(0)
int(-2147483648) !== string(6) "string"
int(-2147483648) !== string(3) "123"
int(-2147483648) !== string(3) "2.5"
int(-2147483648) !== NULL
int(-2147483648) !== bool(true)
int(-2147483648) !== bool(false)
int(-2147483648) !== object(stdClass)#1 (0) {}
int(-2147483648) !== object(stdClass)#2 (0) {}
int(-2147483648) !== object(test)#3 (0) {}
int(-2147483648) !== array(0) {}
int(-2147483648) === int(-2147483648)
int(-2147483648) !== string(11) "-2147483648"
string(11) "-2147483648" !== array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3)}
string(11) "-2147483648" !== string(0) ""
string(11) "-2147483648" !== int(1)
string(11) "-2147483648" !== float(2.5)
string(11) "-2147483648" !== int(0)
string(11) "-2147483648" !== string(6) "string"
string(11) "-2147483648" !== string(3) "123"
string(11) "-2147483648" !== string(3) "2.5"
string(11) "-2147483648" !== NULL
string(11) "-2147483648" !== bool(true)
string(11) "-2147483648" !== bool(false)
string(11) "-2147483648" !== object(stdClass)#1 (0) {}
string(11) "-2147483648" !== object(stdClass)#2 (0) {}
string(11) "-2147483648" !== object(test)#3 (0) {}
string(11) "-2147483648" !== array(0) {}
string(11) "-2147483648" !== int(-2147483648)
string(11) "-2147483648" === string(11) "-2147483648"
Done