[VarDumper] Use \ReflectionReference for determining if a key is a reference (php >= 7.4)

This commit is contained in:
Dorel Mardari 2019-04-28 12:19:02 +02:00 committed by Nicolas Grekas
parent 376a8f4cab
commit e99a6b85b8
1 changed files with 10 additions and 3 deletions

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@ -42,7 +42,7 @@ class VarCloner extends AbstractCloner
$currentDepth = 0; // Current tree depth
$currentDepthFinalIndex = 0; // Final $queue index for current tree depth
$minimumDepthReached = 0 === $minDepth; // Becomes true when minimum tree depth has been reached
$cookie = (object) []; // Unique object used to detect hard references
$cookie = (object) []; // Unique object used to detect hard references
$a = null; // Array cast for nested structures
$stub = null; // Stub capturing the main properties of an original item value
// or null if the original value is used directly
@ -86,8 +86,15 @@ class VarCloner extends AbstractCloner
}
foreach ($vals as $k => $v) {
// $v is the original value or a stub object in case of hard references
$refs[$k] = $cookie;
if ($zvalIsRef = $vals[$k] === $cookie) {
if (\PHP_VERSION_ID >= 70400) {
$zvalIsRef = null !== \ReflectionReference::fromArrayElement($vals, $k);
} else {
$refs[$k] = $cookie;
$zvalIsRef = $vals[$k] === $cookie;
}
if ($zvalIsRef) {
$vals[$k] = &$stub; // Break hard references to make $queue completely
unset($stub); // independent from the original structure
if ($v instanceof Stub && isset($hardRefs[spl_object_hash($v)])) {