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902d64390e
Writing to a proprety that hasn't been declared is deprecated, unless the class uses the #[AllowDynamicProperties] attribute or defines __get()/__set(). RFC: https://wiki.php.net/rfc/deprecate_dynamic_properties
49 lines
1.0 KiB
PHP
49 lines
1.0 KiB
PHP
--TEST--
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Bug #70805 (Segmentation faults whilst running Drupal 8 test suite)
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--FILE--
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<?php
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class A {
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public $b;
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}
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class B {
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public $a;
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}
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class C {
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public function __destruct() {
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if (isset($GLOBALS["a"])) {
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unset($GLOBALS["array"]);
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unset($GLOBALS["a"]); // this will be called in gc_colloct_roots and put $a into gc roots buf
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}
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}
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}
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$a = new A;
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$a->b = new B;
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$a->b->a = $a;
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$i = 0;
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$c = new A;
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$array = array($c); //This is used to leave a room for $GLOBALS["a"]
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unset($c);
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while ($i++ < 9998) {
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$t = [];
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$t[] = &$t;
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unset($t);
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}
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$t = [new C];
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$t[] = &$t;
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unset($t); // This is used to trigger C::__destruct while doing gc_colloct_roots
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$e = $a;
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unset($a); // This one cannot be put into roots buf because it's full, thus gc_colloct_roots will be called,
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// but C::__destructor which is called in gc_colloct_roots will put $a into buf
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// which will make $a be put into gc roots buf twice
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var_dump(gc_collect_cycles());
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?>
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--EXPECT--
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int(0)
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