#35321 [NEW]: Strange math when squaring

CaptSushekECF at aol dot com Mon, 21 Nov 2005 16:58:40 -0800

From:             CaptSushekECF at aol dot com
Operating system: Apache
PHP version:      5.0.5
PHP Bug Type:     Math related
Bug description:  Strange math when squaring


Description:
------------
I was running a benchmark script to test out certain things on my
localhost.  Once of my scripts involved performing randomly large math
calculations within comments, increasing expotentially.

Reproduce code:
---------------
<?php

$st = array_sum (explode (' ', microtime ()));

ob_start ();

for ($i = 1; $i < 10000; $i++) {
    echo "<!-- Hello, World! " .  ($i % round(sqrt($i*2))) ^ $i .  "
-->\n";
}

ob_end_flush ();

echo round ((array_sum (explode (' ',microtime ())) - $st), 5) . "\n";

?>

Expected result:
----------------
I expected for the page to hesistate for a minute or so, and then print
out the expected benchmark along with the comments and numbers within
them.

Actual result:
--------------
Strange HTML/Chinese characters:

(e.g.,
&#5389;&#3352;l&#5389;&#3355;l&#5389;&#3354;l&#5389;&#3349;l&#5389;&#3348;l&#5133;&#3357;l&#5133;&#3356;l&#5133;&#3359;l&#5133;&#3358;l&#5133;&#3353;l&#5133;&#3352;l&#5133;&#3355;l&#5133;&#3354;l&#5133;&#3349;l&#5133;&#3348;l&#5901;&#3357;l&#5901;&#3356;l&#5901;&#3359;l&#5901;&#3358;l&#5901;&#3353;l&#5901;&#3352;l&#5901;&#3355;l&#5901;&#3354;l&#5901;&#3349;l&#5901;&#3348;l&#5645;&#3357;l&#5645;&#3356;l&#5645;&#3359;l&#5645;&#3358;l&#5645;&#3353;l&#5645;&#3352;l&#5645;&#3355;l&#5645;&#3354;l&#5645;&#3349;l&#5645;&#3348;l&#6413;&#3357;l&#6413;&#3356;l&#6413;&#3359;l&#6413;&#3358;l&#6413;&#3353;l&#6413;&#3352;l&#6413;&#3355;l&#6413;&#3354;l&#6413;&#3349;l&#6413;&#3348;l&#6157;&#3357;...)

-- 
Edit bug report at http://bugs.php.net/?id=35321&edit=1
-- 
Try a CVS snapshot (php4):   http://bugs.php.net/fix.php?id=35321&r=trysnapshot4
Try a CVS snapshot (php5.0): 
http://bugs.php.net/fix.php?id=35321&r=trysnapshot50
Try a CVS snapshot (php5.1): 
http://bugs.php.net/fix.php?id=35321&r=trysnapshot51
Fixed in CVS:                http://bugs.php.net/fix.php?id=35321&r=fixedcvs
Fixed in release:            http://bugs.php.net/fix.php?id=35321&r=alreadyfixed
Need backtrace:              http://bugs.php.net/fix.php?id=35321&r=needtrace
Need Reproduce Script:       http://bugs.php.net/fix.php?id=35321&r=needscript
Try newer version:           http://bugs.php.net/fix.php?id=35321&r=oldversion
Not developer issue:         http://bugs.php.net/fix.php?id=35321&r=support
Expected behavior:           http://bugs.php.net/fix.php?id=35321&r=notwrong
Not enough info:             
http://bugs.php.net/fix.php?id=35321&r=notenoughinfo
Submitted twice:             
http://bugs.php.net/fix.php?id=35321&r=submittedtwice
register_globals:            http://bugs.php.net/fix.php?id=35321&r=globals
PHP 3 support discontinued:  http://bugs.php.net/fix.php?id=35321&r=php3
Daylight Savings:            http://bugs.php.net/fix.php?id=35321&r=dst
IIS Stability:               http://bugs.php.net/fix.php?id=35321&r=isapi
Install GNU Sed:             http://bugs.php.net/fix.php?id=35321&r=gnused
Floating point limitations:  http://bugs.php.net/fix.php?id=35321&r=float
No Zend Extensions:          http://bugs.php.net/fix.php?id=35321&r=nozend
MySQL Configuration Error:   http://bugs.php.net/fix.php?id=35321&r=mysqlcfg

#35321 [NEW]: Strange math when squaring

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