php-src/Zend/tests/gc_023.phpt
2020-08-09 22:03:36 +02:00

31 lines
542 B
PHP

--TEST--
GC 023: Root buffer overflow (automatic collection)
--INI--
zend.enable_gc=1
--FILE--
<?php
$a=array();
for ($i=0; $i < 9999; $i++) {
$a[$i] = array(array());
$a[$i][0] = & $a[$i];
}
var_dump(gc_collect_cycles());
unset($a);
var_dump(gc_collect_cycles());
$a=array();
for ($i=0; $i < 10001; $i++) {
$a[$i] = array(array());
$a[$i][0] = & $a[$i];
}
var_dump(gc_collect_cycles());
unset($a); // 10000 zvals collected automatic
var_dump(gc_collect_cycles());
echo "ok\n";
?>
--EXPECT--
int(0)
int(9999)
int(0)
int(1)
ok