#35321 [Opn->Fbk]: Strange math when squaring

From: Date: Tue, 22 Nov 2005 02:12:45 +0000
Subject: #35321 [Opn->Fbk]: Strange math when squaring
References: 1  Groups: php.bugs 
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ID: 35321 Updated by: sniper@php.net Reported By: CaptSushekECF at aol dot com -Status: Open +Status: Feedback Bug Type: Math related Operating System: Apache PHP Version: 5.0.5 New Comment: Please try using this CVS snapshot: http://snaps.php.net/php5-latest.tar.gz For Windows: http://snaps.php.net/win32/php5-win32-latest.zip Previous Comments: ------------------------------------------------------------------------ [2005-11-22 01:58:26] CaptSushekECF at aol dot com 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 this bug report at http://bugs.php.net/?id=35321&edit=1

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