From: gavroche dot bull at gmail dot com
Operating system:
PHP version: master-Git-2013-06-29 (Git)
Package: Unknown/Other Function
Bug Type: Bug
Bug description:PHP Generator yield causing zend_mm_heap corrupted
Description:
------------
The yield function in the example below gives a "zend_mm_heap corrupted"
error.
Test script:
---------------
function dump($chunk = 500)
{
$m = new MongoClient();
$db = $m->dbname;
$collection = $db->selectCollection('collectionname');
$cursor = $collection->find();
$count = 0;
$output = [];
foreach ($cursor as $doc) {
$doc = array_filter($doc, function($v) { return !is_object($v);
});
$output[] = $doc;
$count++;
if ($count === $chunk) {
yield json_encode($output);
$output = [];
$count = 0;
}
}
yield json_encode($output);
}
foreach(dump() as $dump) {
var_dump($dump);
}
Expected result:
----------------
No error.
Actual result:
--------------
zend_mm_heap corrupted
--
Edit bug report at https://bugs.php.net/bug.php?id=65166&edit=1
--
Try a snapshot (PHP 5.4):
https://bugs.php.net/fix.php?id=65166&r=trysnapshot54
Try a snapshot (PHP 5.3):
https://bugs.php.net/fix.php?id=65166&r=trysnapshot53
Try a snapshot (trunk):
https://bugs.php.net/fix.php?id=65166&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=65166&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=65166&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=65166&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=65166&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=65166&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=65166&r=support
Expected behavior: https://bugs.php.net/fix.php?id=65166&r=notwrong
Not enough info:
https://bugs.php.net/fix.php?id=65166&r=notenoughinfo
Submitted twice:
https://bugs.php.net/fix.php?id=65166&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=65166&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65166&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=65166&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=65166&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=65166&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=65166&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=65166&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=65166&r=mysqlcfg
