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List: php-doc-bugs
Subject: [DOC-BUGS] [PHP-BUG] Doc #55742 [NEW]: Description of what happens if you pass a number
From: "birke at d-scribe dot de"<php-bugs () lists ! php ! net>
Date: 2011-09-20 15:59:24
Message-ID: bug-55742 () bugs ! php ! net
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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
--
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