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tests/lang/foreachLoop.010.phpt
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David Hein
[skip ci] Fix tests with multiline titles (GH-17763)
14 фев 2025, 14:03
Не верифицирован
14 фев 2025, 14:03
77d5eb6
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--TEST-- This test illustrates the impact of invoking destructors when refcount is decremented to 0 on foreach. --DESCRIPTION-- It will pass only if the 'contentious code' in PHPValue.decReferences() is enabled. --FILE-- <?php $a = array(1,2,3); $container = array(&$a); // From php.net: // "Unless the array is referenced, foreach operates on a copy of // the specified array and not the array itself." // At this point, the array $a is referenced. // The following line ensures $a is no longer references as a consequence // of running the 'destructor' on $container. $container = null; // At this point the array $a is no longer referenced, so foreach should operate on a copy of the array. // However, P8 does not invoke 'destructors' when refcount is decremented to 0. // Consequently, $a thinks it is still referenced, and foreach will operate on the array itself. // This provokes a difference in behaviour when changing the number of elements in the array while // iterating over it. $i=0; foreach ($a as $v) { array_push($a, 'new'); var_dump($v); if (++$i>10) { echo "Infinite loop detected\n"; break; } } ?> --EXPECT-- int(1) int(2) int(3)