#49107 [NEW]: Empty string is returned as NULL, see bug: 39213

From: jochem dot blok at fasterforward dot nl Operating system: Debian PHP version: 5.2.10 PHP Bug Type: MSSQL related Bug description: Empty string is returned as NULL, see bug: 39213 Description: ------------ This is the same bug as reported in bug: 39213. An empty string is returned as NULL. Reproduce code: --------------- $conn = mssql_connect('host','user','password', true); mssql_query("CREATE TABLE #tmp(c VARCHAR(10) NULL)", $conn) or die("error querying"); mssql_query("INSERT INTO #tmp VALUES('')", $conn) or die("error querying"); $res = mssql_query("SELECT * FROM #tmp", $conn) or die("query"); $row = mssql_fetch_assoc($res); $s = is_null($row['c']) ? 'NULL' : $row['c']; echo "got -$s-\n"; Expected result: ---------------- var_dump($s) should print string(0) "" Actual result: -------------- var_dump($s) print NULL -- Edit bug report at http://bugs.php.net/?id=49107&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=49107&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=49107&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=49107&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=49107&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=49107&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=49107&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=49107&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=49107&r=needscript Try newer version: http://bugs.php.net/fix.php?id=49107&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=49107&r=support Expected behavior: http://bugs.php.net/fix.php?id=49107&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=49107&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=49107&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=49107&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=49107&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=49107&r=dst IIS Stability: http://bugs.php.net/fix.php?id=49107&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=49107&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=49107&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=49107&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=49107&r=mysqlcfg