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6d4de4cf05
Support list() reference assignments of the form:
list(&$a, list(&$b, $c)) = $d;
RFC: https://wiki.php.net/rfc/list_reference_assignment
59 lines
1.3 KiB
PHP
59 lines
1.3 KiB
PHP
--TEST--
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"Reference Unpacking - Class ArrayAccess No Reference" list()
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--FILE--
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<?php
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class StorageNoRef implements ArrayAccess {
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private $s = [];
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function __construct(array $a) { $this->s = $a; }
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function offsetSet ($k, $v) { $this->s[$k] = $v; }
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function offsetGet ($k) { return $this->s[$k]; }
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function offsetExists ($k) { return isset($this->s[$k]); }
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function offsetUnset ($k) { unset($this->s[$k]); }
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}
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$a = new StorageNoRef([1, 2]);
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list(&$one, $two) = $a;
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var_dump($a);
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$a = new StorageNoRef([1, 2]);
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list(,,list($var)) = $a;
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var_dump($a);
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$a = new StorageNoRef(['one' => 1, 'two' => 2]);
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['one' => &$one, 'two' => $two] = $a;
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var_dump($a);
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?>
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--EXPECTF--
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Notice: Indirect modification of overloaded element of %s has no effect in %s on line %d
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object(StorageNoRef)#1 (1) {
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["s":"StorageNoRef":private]=>
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array(2) {
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[0]=>
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int(1)
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[1]=>
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int(2)
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}
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}
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Notice: Undefined offset: 2 in %s on line %d
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object(StorageNoRef)#2 (1) {
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["s":"StorageNoRef":private]=>
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array(2) {
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[0]=>
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int(1)
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[1]=>
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int(2)
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}
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}
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Notice: Indirect modification of overloaded element of %s has no effect in %s on line %d
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object(StorageNoRef)#1 (1) {
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["s":"StorageNoRef":private]=>
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array(2) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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}
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