Bug #65418 [NEW]: Neither is_numeric() nor intval() recognize '0b...' strings.
| From: | brucewlee at verizon dot net | Date: | Thu, 08 Aug 2013 04:36:33 +0000 |
| Subject: | Bug #65418 [NEW]: Neither is_numeric() nor intval() recognize '0b...' strings. | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-180793@lists.php.net to get a copy of this message | ||
From: brucewlee at verizon dot net
Operating system: Windows 7
PHP version: 5.5.1
Package: Strings related
Bug Type: Bug
Bug description:Neither is_numeric() nor intval() recognize '0b...' strings.
Description:
------------
Neither is_numeric() nor intval() recognize '0b...' strings.
Test script:
---------------
Code:
$as = array("0x10", "16", "020", "0b10000");
foreach($as as $v) {
echo "The function is_numeric('" . $v . "') returns ";
if (is_numeric($v)) { echo("true"); } else { echo("false"); };
echo ".<br>";
}
Output:
The function is_numeric('0x10') returns true.
The function is_numeric('16') returns true.
The function is_numeric('020') returns true.
The function is_numeric('0b10000') returns false.
Code:
$as = array(["0x10", 16], ["16", 10], ["020", 8],
["0b10000", 2]);
foreach($as as $v) {
echo "The function intval('" . $v[0] . "', " . $v[1] . ")
returns " .
intval($v[0], $v[1]) . ".<br>";
}
Output:
The function intval('0x10', 16) returns 16.
The function intval('16', 10) returns 16.
The function intval('020', 8) returns 16.
The function intval('0b10000', 2) returns 0.
--
Edit bug report at https://bugs.php.net/bug.php?id=65418&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=65418&r=trysnapshot54
Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=65418&r=trysnapshot53
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=65418&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=65418&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=65418&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=65418&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=65418&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=65418&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=65418&r=support
Expected behavior: https://bugs.php.net/fix.php?id=65418&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=65418&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=65418&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=65418&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65418&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=65418&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=65418&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=65418&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=65418&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=65418&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=65418&r=mysqlcfg