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35 lines
839 B
PHP
35 lines
839 B
PHP
--TEST--
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Traversables cannot be unpacked into by-reference parameters
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--FILE--
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<?php
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function test($val1, $val2, $val3, &$ref) {
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$ref = 42;
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}
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function gen($array) {
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foreach ($array as $element) {
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yield $element;
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}
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}
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test(...gen([1, 2, 3]), $a);
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var_dump($a);
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test(1, 2, 3, $b, ...gen([4, 5, 6]));
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var_dump($b);
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test(...gen([1, 2, 3, 4]));
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test(1, 2, ...gen([3, 4]));
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test(...gen([1, 2]), ...gen([3, 4]));
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?>
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--EXPECTF--
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int(42)
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int(42)
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Warning: Cannot pass by-reference argument 4 of test() by unpacking a Traversable, passing by-value instead in %s on line %d
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Warning: Cannot pass by-reference argument 4 of test() by unpacking a Traversable, passing by-value instead in %s on line %d
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Warning: Cannot pass by-reference argument 4 of test() by unpacking a Traversable, passing by-value instead in %s on line %d
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