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Coalesce operator #824

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Merged
php-pulls merged 4 commits into from
Sep 27, 2014
Merged

Coalesce operator #824

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69e7c9d
Initial coalesce operator implementation
nikic Sep 16, 2014
a1711ce
Added test
hikari-no-yume Sep 5, 2014
157da54
Ensure not evaluated twice
hikari-no-yume Sep 16, 2014
ec39802
Extended coalesce operator test case for ordering/short-circuiting
hikari-no-yume Sep 23, 2014
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Added test
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@hikari-no-yume
hikari-no-yume committed Sep 16, 2014
commit a1711cee1714d9cc4c4a2f18b3a45f195e5a2adf
58 changes: 58 additions & 0 deletions tests/lang/operators/coalesce.phpt
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--TEST--
Test ?? operator
--FILE--
<?php

$var = 7;
$var2 = NULL;

$obj = new StdClass;
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@lstrojny lstrojny Sep 23, 2014

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stdClass

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@hikari-no-yume hikari-no-yume Sep 23, 2014

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Class names are case-insensitive, it really doesn't matter.

$obj->boo = 7;

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

var_dump($nonexistant_variable ?? 3);
echo PHP_EOL;
var_dump($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);
?>
--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)