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69 lines
895 B
PHP
69 lines
895 B
PHP
--TEST--
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"Reference Unpacking - Oddities" list()
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--FILE--
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<?php
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$a = 1;
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$b =& $a;
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$arr = [&$a, &$b];
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list(&$a, &$b) = $arr;
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var_dump($a, $b, $arr);
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$b++;
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var_dump($a, $b, $arr);
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unset($a, $b, $arr);
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/*
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* $a is first set as a reference to the 0'th elem, '1'
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* $a is then set to the value of the 1'st elem, '2'
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* $arr would look like, [2,2]
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* Increment $a, and it should be [3, 2]
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*/
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$arr = [1, 2];
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list(&$a, $a) = $arr;
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var_dump($a);
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$a++;
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var_dump($arr);
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unset($a, $arr);
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/*
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* We do not allow references to the same variable of rhs.
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*/
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$a = [1, 2];
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$ref =& $a;
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list(&$a, &$b) = $a;
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var_dump($a, $b);
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$a++; $b++;
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var_dump($ref);
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?>
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--EXPECT--
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int(1)
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int(1)
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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(1)
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}
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int(2)
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int(2)
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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(2)
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}
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int(2)
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array(2) {
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[0]=>
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&int(3)
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[1]=>
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int(2)
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}
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int(1)
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int(2)
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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(3)
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}
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