From: lunter at interia dot pl Operating system: winXP PHP version: 5.3.0RC1 PHP Bug Type: Scripting Engine problem Bug description: is_null() is 4x slower than ===null
Description:
------------
is_null() is 4x slower than ===null
Reproduce code:
---------------
<?
$t=microtime(1);
for($z=0;$z<1e7;$z++){
if(is_null(1)){}
}
print(microtime(1)-$t);print('<br/>');
// ---
$t=microtime(1);
for($z=0;$z<1e7;$z++){
if(1===null){}
}
print(microtime(1)-$t);print('<br/>');
?>
Expected result:
----------------
is_null() is faster like ===null
Actual result:
--------------
is_null() is 4x slower than ===null
--
Edit bug report at http://bugs.php.net/?id=47965&edit=1
--
Try a CVS snapshot (PHP 5.2):
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Try a CVS snapshot (PHP 5.3):
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Try a CVS snapshot (PHP 6.0):
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Fixed in CVS:
http://bugs.php.net/fix.php?id=47965&r=fixedcvs
Fixed in CVS and need be documented:
http://bugs.php.net/fix.php?id=47965&r=needdocs
Fixed in release:
http://bugs.php.net/fix.php?id=47965&r=alreadyfixed
Need backtrace:
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Need Reproduce Script:
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Try newer version:
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Not developer issue:
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Expected behavior:
http://bugs.php.net/fix.php?id=47965&r=notwrong
Not enough info:
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Submitted twice:
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register_globals:
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PHP 4 support discontinued: http://bugs.php.net/fix.php?id=47965&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=47965&r=dst
IIS Stability:
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Floating point limitations:
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MySQL Configuration Error:
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