Doc #55742 [NEW]: Description of what happens if you pass a number

From: Operating system: PHP version: 5.3.8 Package: Documentation problem Bug Type: Documentation Problem Bug description:Description of what happens if you pass a number Description: ------------ --- From manual page: http://www.php.net/function.ctype-alnum --- There should be the following warning in the docs: If you are passing in a number, ctype_alnum will return false for all numbers that do not represent alphanumeric character codes (see chr). Test script: --------------- <?php $myVar = 10; echo ctype_alnum($myVar) ? "T" : "F"; // returns F $myVar = 48; echo ctype_alnum($myVar) ? "T" : "F"; // returns T, because ASCII 48 = "a" $myVar = "10"; echo ctype_alnum($myVar) ? "T" : "F"; // returns T -- Edit bug report at https://bugs.php.net/bug.php?id=55742&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=55742&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=55742&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=55742&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=55742&r=fixed Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=55742&r=needdocs Fixed in release: https://bugs.php.net/fix.php?id=55742&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=55742&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=55742&r=needscript Try newer version: https://bugs.php.net/fix.php?id=55742&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=55742&r=support Expected behavior: https://bugs.php.net/fix.php?id=55742&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=55742&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=55742&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=55742&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=55742&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=55742&r=dst IIS Stability: https://bugs.php.net/fix.php?id=55742&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=55742&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=55742&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=55742&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=55742&r=mysqlcfg