From:
Operating system: Any
PHP version: 5.3.3
Package: PCRE related
Bug Type: Bug
Bug description:Docs say preg_match() returns FALSE on error, but it returns
int(0)
Description:
------------
The documentation states that preg_match() will return the number of
matches (0 or
1) or bool(false) on error. The latter doesn't happenâpreg_match() is
returning
int(0) when an error occurs.
Test script:
---------------
<?php
// Ensure we hit the backtrack limit
ini_set('pcre.backtrack_limit', 1);
// See http://us.php.net/preg_last_error
$ret = preg_match('/(?:\D+|<\d+>)*[!?]/', 'foobar foobar foobar');
echo 'Return value is ';
var_dump($ret);
if ($ret === false) {
echo '$ret is false; preg_last_error() says: ' . preg_last_error() .
"\n";
} else {
echo '$ret is not false; preg_last_error() says: ' . preg_last_error()
. "\n";
}
Expected result:
----------------
Return value is bool(false)
$ret is false; preg_last_error() says: 2
Actual result:
--------------
Return value is int(0)
$ret is not false; preg_last_error() says: 2
--
Edit bug report at http://bugs.php.net/bug.php?id=52732&edit=1
--
Try a snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=52732&r=trysnapshot52
Try a snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=52732&r=trysnapshot53
Try a snapshot (trunk):
http://bugs.php.net/fix.php?id=52732&r=trysnapshottrunk
Fixed in SVN:
http://bugs.php.net/fix.php?id=52732&r=fixed
Fixed in SVN and need be documented:
http://bugs.php.net/fix.php?id=52732&r=needdocs
Fixed in release:
http://bugs.php.net/fix.php?id=52732&r=alreadyfixed
Need backtrace:
http://bugs.php.net/fix.php?id=52732&r=needtrace
Need Reproduce Script:
http://bugs.php.net/fix.php?id=52732&r=needscript
Try newer version:
http://bugs.php.net/fix.php?id=52732&r=oldversion
Not developer issue:
http://bugs.php.net/fix.php?id=52732&r=support
Expected behavior:
http://bugs.php.net/fix.php?id=52732&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=52732&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=52732&r=submittedtwice
register_globals:
http://bugs.php.net/fix.php?id=52732&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=52732&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=52732&r=dst
IIS Stability:
http://bugs.php.net/fix.php?id=52732&r=isapi
Install GNU Sed:
http://bugs.php.net/fix.php?id=52732&r=gnused
Floating point limitations:
http://bugs.php.net/fix.php?id=52732&r=float
No Zend Extensions:
http://bugs.php.net/fix.php?id=52732&r=nozend
MySQL Configuration Error:
http://bugs.php.net/fix.php?id=52732&r=mysqlcfg
