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Directory :  /www/server/php/72/src/tests/lang/operators/

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Current File : /www/server/php/72/src/tests/lang/operators/coalesce.phpt
--TEST--
Test ?? operator
--FILE--
<?php

$var = 7;
$var2 = NULL;

$obj = new StdClass;
$obj->boo = 7;

$arr = [
	2 => 7,
	"foo" => "bar",
	"foobar" => NULL,
	"qux" => $obj,
	"bing" => [
		"bang"
	]
];

function foobar() {
	echo "called\n";
	return ['a'];
}

var_dump($nonexistent_variable ?? 3);
echo PHP_EOL;
var_dump($var ?? 3);
var_dump($var2 ?? 3);
echo PHP_EOL;
var_dump($obj->boo ?? 3);
var_dump($obj->bing ?? 3);
var_dump($arr["qux"]->boo ?? 3);
var_dump($arr["qux"]->bing ?? 3);
echo PHP_EOL;
var_dump($arr[2] ?? 3);
var_dump($arr["foo"] ?? 3);
var_dump($arr["foobar"] ?? 3);
var_dump($arr["qux"] ?? 3);
var_dump($arr["bing"][0] ?? 3);
var_dump($arr["bing"][1] ?? 3);
echo PHP_EOL;
var_dump(foobar()[0] ?? false);
echo PHP_EOL;
function f($x)
{
    printf("%s(%d)\n", __FUNCTION__, $x);
    return $x;
}

$a = f(null) ?? f(1) ?? f(2);
?>
--EXPECTF--
int(3)

int(7)
int(3)

int(7)
int(3)
int(7)
int(3)

int(7)
string(3) "bar"
int(3)
object(stdClass)#%d (%d) {
  ["boo"]=>
  int(7)
}
string(4) "bang"
int(3)

called
string(1) "a"

f(0)
f(1)

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