Doc #74190 [NEW]: mysqli_num_rows return value on error

From: Date: Wed, 01 Mar 2017 10:29:20 +0000
Subject: Doc #74190 [NEW]: mysqli_num_rows return value on error
Groups: php.doc.bugs 
Request: Send a blank email to doc-bugs+get-14469@lists.php.net to get a copy of this message
From: phpdoc at mail dot my1 dot info Operating system: PHP version: Irrelevant Package: Documentation problem Bug Type: Documentation Problem Bug description:mysqli_num_rows return value on error Description: ------------ --- From manual page: http://www.php.net/mysqli-result.num-rows --- it doesnt say what gets returned on error (for comparison mysql_num_rows, according to the docs throws false). by thorwing in a value that cant work (for example a string), it returned NULL and a warning. since both NULL and 0 are variables that are false-y and according to http://php.net/manual/de/types.comparisons.php#types.comparisions-loose both (NULL == 0) and (NULL == 0) evaluate to true there should be a warning box, noting that strict comparison using === should be appropriate, similar to http://php.net/manual/de/function.strpos.php Test script: --------------- <?php var_dump(mysqli_num_rows("abc")); -- Edit bug report at https://bugs.php.net/bug.php?id=74190&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=74190&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=74190&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=74190&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=74190&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=74190&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=74190&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=74190&r=needscript Try newer version: https://bugs.php.net/fix.php?id=74190&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=74190&r=support Expected behavior: https://bugs.php.net/fix.php?id=74190&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=74190&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=74190&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=74190&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=74190&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=74190&r=dst IIS Stability: https://bugs.php.net/fix.php?id=74190&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=74190&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=74190&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=74190&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=74190&r=mysqlcfg

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