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hikari-no-yumehikari-no-yume
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Import Zend Engine tests for list()
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‎tests/expressions/list/list_001.phpt‎

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--TEST--
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"Nested" list()
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--FILE--
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<?php
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list($a, list($b)) = array(new stdclass, array(new stdclass));
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var_dump($a, $b);
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?>
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--EXPECT--
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object(stdClass)#1 (0) {
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}
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object(stdClass)#2 (0) {
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}

‎tests/expressions/list/list_002.phpt‎

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--TEST--
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Testing full-reference on list()
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--FILE--
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<?php
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error_reporting(E_ALL);
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$a = new stdclass;
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$b =& $a;
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list($a, list($b)) = array($a, array($b));
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var_dump($a, $b, $a === $b);
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?>
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--EXPECT--
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object(stdClass)#1 (0) {
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}
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object(stdClass)#1 (0) {
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}
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bool(true)

‎tests/expressions/list/list_003.phpt‎

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--TEST--
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list() with non-array
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--FILE--
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<?php
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list($a) = NULL;
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list($b) = 1;
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list($c) = 1.;
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list($d) = 'foo';
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list($e) = print '';
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var_dump($a, $b, $c, $d, $e);
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?>
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--EXPECT--
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NULL
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NULL
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NULL
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NULL
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NULL

‎tests/expressions/list/list_004.phpt‎

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--TEST--
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list() with array reference
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--FILE--
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<?php
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$arr = array(2, 1);
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$b =& $arr;
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list(,$a) = $b;
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var_dump($a, $b);
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?>
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--EXPECT--
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int(1)
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array(2) {
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[0]=>
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int(2)
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[1]=>
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int(1)
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}

‎tests/expressions/list/list_005.phpt‎

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--TEST--
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Testing list() with several variables
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--FILE--
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<?php
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$str = "foo";
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list($a, $b, $c) = $str;
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var_dump($a, $b, $c);
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print "----\n";
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$int = 1;
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list($a, $b, $c) = $int;
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var_dump($a, $b, $c);
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print "----\n";
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$obj = new stdClass;
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list($a, $b, $c) = $obj;
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var_dump($a, $b, $c);
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print "----\n";
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$arr = array(1, 2, 3);
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list($a, $b, $c) = $arr;
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var_dump($a, $b, $c);
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?>
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--EXPECTF--
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NULL
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NULL
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NULL
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----
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NULL
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NULL
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NULL
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----
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Fatal error: Uncaught Error: Cannot use object of type stdClass as array in %s:%d
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Stack trace:
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#0 {main}
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thrown in %s on line %d

‎tests/expressions/list/list_006.phpt‎

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--TEST--
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Testing nested list() with empty array
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--FILE--
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<?php
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list($a, list($b, list(list($d)))) = array();
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?>
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--EXPECTF--
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Notice: Undefined offset: 0 in %s on line %d
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Notice: Undefined offset: 1 in %s on line %d

‎tests/expressions/list/list_007.phpt‎

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--TEST--
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Using lambda with list()
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--FILE--
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<?php
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list($x, $y) = function() { };
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var_dump($x, $y);
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?>
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--EXPECTF--
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Fatal error: Uncaught Error: Cannot use object of type Closure as array in %slist_007.php:3
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Stack trace:
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#0 {main}
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thrown in %slist_007.php on line 3

‎tests/expressions/list/list_destructuring_to_special_variables.phpt‎

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--TEST--
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list() can be used to destructure to string offsets, __set and ArrayAccess::offsetSet
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--FILE--
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<?php
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class Obj {
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public $values = [];
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public function __set($name, $value) {
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$this->values[$name] = $value;
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}
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}
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class Arr implements ArrayAccess {
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public $values = [];
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public function offsetSet($name, $value) {
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$this->values[$name] = $value;
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}
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public function offsetGet($name) {}
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public function offsetExists($name) {}
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public function offsetUnset($name) {}
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}
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$str = 'ab';
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list($str[0], $str[1]) = ['x', 'y'];
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var_dump($str);
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$obj = new Obj;
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list($obj->foo, $obj->bar) = ['foo', 'bar'];
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var_dump($obj->values);
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$arr = new Arr;
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list($arr['foo'], $arr['bar']) = ['foo', 'bar'];
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var_dump($arr->values);
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?>
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--EXPECT--
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string(2) "xy"
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array(2) {
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["foo"]=>
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string(3) "foo"
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["bar"]=>
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string(3) "bar"
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}
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array(2) {
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["foo"]=>
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string(3) "foo"
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["bar"]=>
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string(3) "bar"
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}

‎tests/expressions/list/list_empty_error.phpt‎

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--TEST--
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Empty list() assignments are not allowed
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--FILE--
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<?php
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list(,,,,,,,,,,) = [];
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?>
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--EXPECTF--
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Fatal error: Cannot use empty list in %s on line %d

‎tests/expressions/list/list_keyed.phpt‎

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--TEST--
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list() with keys
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--FILE--
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<?php
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$antonyms = [
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"good" => "bad",
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"happy" => "sad",
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];
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list("good" => $good_antonym, "happy" => $happy_antonym) = $antonyms;
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var_dump($good_antonym, $happy_antonym);
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echo PHP_EOL;
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$powersOfTwo = [
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1 => 2,
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2 => 4,
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3 => 8
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];
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list(1 => $two_1, 2 => $two_2, 3 => $two_3) = $powersOfTwo;
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var_dump($two_1, $two_2, $two_3);
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echo PHP_EOL;
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$contrivedMixedKeyTypesExample = [
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7 => "the best PHP version",
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"elePHPant" => "the cutest mascot"
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];
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list(7 => $seven, "elePHPant" => $elePHPant) = $contrivedMixedKeyTypesExample;
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var_dump($seven, $elePHPant);
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echo PHP_EOL;
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$allTogetherNow = [
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"antonyms" => $antonyms,
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"powersOfTwo" => $powersOfTwo,
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"contrivedMixedKeyTypesExample" => $contrivedMixedKeyTypesExample
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];
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list(
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"antonyms" => list("good" => $good_antonym, "happy" => $happy_antonym),
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"powersOfTwo" => list(1 => $two_1, 2 => $two_2, 3 => $two_3),
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"contrivedMixedKeyTypesExample" => list(7 => $seven, "elePHPant" => $elePHPant)
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) = $allTogetherNow;
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var_dump($good_antonym, $happy_antonym);
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var_dump($two_1, $two_2, $two_3);
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var_dump($seven, $elePHPant);
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?>
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--EXPECT--
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string(3) "bad"
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string(3) "sad"
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int(2)
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int(4)
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int(8)
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string(20) "the best PHP version"
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string(17) "the cutest mascot"
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string(3) "bad"
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string(3) "sad"
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int(2)
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int(4)
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int(8)
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string(20) "the best PHP version"
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string(17) "the cutest mascot"

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