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Fix bug #81142 by adding zend_string_init_existing_interned()
Add a new interned string handler that fetches an interned string if it exists, but does not create one if it does not (and instead returns a non-interned string). This fixes bug #81142, by preventing the creating of new interned strings for unserialized array keys. Closes phpGH-7360.
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,12 @@ | ||
--TEST-- | ||
Bug #81142 (memory leak when unserialize()ing associative array) | ||
--FILE-- | ||
<?php | ||
$mem0 = memory_get_usage(); | ||
$ctr = 0; | ||
unserialize(serialize(["foo_$ctr" => 1])); | ||
$mem1 = memory_get_usage(); | ||
var_dump($mem1 - $mem0); | ||
?> | ||
--EXPECT-- | ||
int(0) |
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