Bug #53667 [NEW]: number_format problem in empty string

From: Operating system: Debian-5 PHP version: 5.3.4 Package: *Math Functions Bug Type: Bug Bug description:number_format problem in empty string Description: ------------ The problem occurs in version 5.3.4, the same situation does not create problems in version 5.2.6. Passing an empty string as a parameter is generated an error that the parameter must be of type double the problem does not occur if the same string is not empty. Test script: --------------- Example 01: Code: <? $x = ""; echo "-->". number_format($x); ?> Output: Warning: number_format() expects parameter 1 to be double, string given in /www/htdocs/test.php on line 5 --> Example 02: <? $x = "0"; echo "-->". number_format($x); ?> Output: -->0 Expected result: ---------------- I hope the developers look fondly and fix this problem. Although trivial, many other applications users can also get this problem. -- Edit bug report at http://bugs.php.net/bug.php?id=53667&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=53667&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=53667&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=53667&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=53667&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=53667&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=53667&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=53667&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=53667&r=needscript Try newer version: http://bugs.php.net/fix.php?id=53667&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=53667&r=support Expected behavior: http://bugs.php.net/fix.php?id=53667&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=53667&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=53667&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=53667&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=53667&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=53667&r=dst IIS Stability: http://bugs.php.net/fix.php?id=53667&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=53667&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=53667&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=53667&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=53667&r=mysqlcfg