#29921 [NEW]: Float .25 as opposed to 0.25 calculates to 0

From: Date: Tue, 31 Aug 2004 16:33:53 +0000
Subject: #29921 [NEW]: Float .25 as opposed to 0.25 calculates to 0
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-65530@lists.php.net to get a copy of this message
From: nat at noworrie dot com Operating system: FreeBSD 4.8 PHP version: 5.0.1 PHP Bug Type: Math related Bug description: Float .25 as opposed to 0.25 calculates to 0 Description: ------------ Using PHP 5.0.1 as a CGI script. 10 * '.25' should be 2.5 but it equates to 0. 10 * floatval('.25') does equal 2.5. Does not occur in PHP 5.0.0RC2. May be a related to Bug # 29547. Reproduce code: --------------- $a = '.25'; $b = '0.25'; echo "10 * .25 == ".(10*$a)."\n"; echo "10 * 0.25 == ".(10*$b)."\n"; Expected result: ---------------- 10 * .25 == 2.5 10 * 0.25 == 2.5 Actual result: -------------- 10 * .25 == 0 10 * 0.25 == 2.5 -- Edit bug report at http://bugs.php.net/?id=29921&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=29921&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=29921&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=29921&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=29921&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=29921&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=29921&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=29921&r=needscript Try newer version: http://bugs.php.net/fix.php?id=29921&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=29921&r=support Expected behavior: http://bugs.php.net/fix.php?id=29921&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=29921&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=29921&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=29921&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=29921&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=29921&r=dst IIS Stability: http://bugs.php.net/fix.php?id=29921&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=29921&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=29921&r=float

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