From:             liber at iproom dot com
Operating system: Windows XP
PHP version:      5.1.3RC2
PHP Bug Type:     *General Issues
Bug description:  the determination of condition was wrong 

Description:
------------
if the string is starting by characters,
it will be true if compare with zero.


Reproduce code:
---------------
$a="a.1afdsfdsfsd";

if($a==0) {
	echo "YES";
}
shows YES

$a=".1afdsfdsfsd";

if($a==0) {
	echo "YES";
}
shows nothing

$a="1afdsfdsfsd";

if($a==0) {
	echo "YES";
}
shows nothing

Expected result:
----------------
$a="a.1afdsfdsfsd";

if($a==0) {
	echo "YES";
}
shows nothing

Actual result:
--------------
$a="a.1afdsfdsfsd";

if($a==0) {
	echo "YES";
}
shows YES

-- 
Edit bug report at http://bugs.php.net/?id=37021&edit=1
-- 
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=37021&r=trysnapshot44
Try a CVS snapshot (PHP 5.1): http://bugs.php.net/fix.php?id=37021&r=trysnapshot51
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=37021&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=37021&r=fixedcvs
Fixed in release:             http://bugs.php.net/fix.php?id=37021&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=37021&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=37021&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=37021&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=37021&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=37021&r=notwrong
Not enough info:              http://bugs.php.net/fix.php?id=37021&r=notenoughinfo
Submitted twice:              http://bugs.php.net/fix.php?id=37021&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=37021&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=37021&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=37021&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=37021&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=37021&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=37021&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=37021&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=37021&r=mysqlcfg