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Repeated include must not increase memory usage #7562

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Repeated include must not increase memory usage #7562

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6 changes: 6 additions & 0 deletions Zend/tests/include_repeat.inc
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
<?php

if (!class_exists(Test::class)) {
class Test {
}
}
23 changes: 23 additions & 0 deletions Zend/tests/include_repeat.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
--TEST--
Repeated include must not increase memory
--FILE--
<?php

$m = -1;
$mDiff = -1;
$mPrev = 0;
for ($i = 0; $i < 10 * 1000; $i++) {
require __DIR__ . '/include_repeat.inc';
$m = memory_get_usage();
$mDiff = $m - $mPrev;
if ($mPrev !== 0 && $mDiff !== 0) {
echo 'Increased memory detected: ' . $mDiff . ' B (' . $i . ' iteration)' . "\n";
exit(1);
}
$mPrev = $m;
}
echo 'done';

?>
--EXPECT--
done