From: martin at psinas dot com Operating system: linux mint PHP version: 5.4.11 Package: Variables related Bug Type: Bug Bug description:Recursive function using mt_rand sometimes returns NULL
Description: ------------ Variable is properly set but returns as NULL value Test script: --------------- <?php function mtrand_except($min, $max, $except) { $random_number = mt_rand($min, $max); if(!in_array($random_number, $except)) { echo $random_number.'<br />'; return $random_number; } mtrand_except($min, $max, $except); } $random_arr = array(); for($i=1; $i<=90; $i++) { $rand = mtrand_except(1, 90, $random_arr); echo $i.'<br />'.$rand.'<hr />'; $random_arr[] = $rand; } Expected result: ---------------- 60 1 60 ------ 19 2 19 ------ 57 3 57 ------ etc... Actual result: -------------- 60 1 60 ------ 19 2 NULL ------ 57 3 57 ------ etc... -- Edit bug report at https://bugs.php.net/bug.php?id=64167&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=64167&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=64167&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=64167&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=64167&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=64167&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=64167&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=64167&r=needscript Try newer version: https://bugs.php.net/fix.php?id=64167&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=64167&r=support Expected behavior: https://bugs.php.net/fix.php?id=64167&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=64167&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=64167&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=64167&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64167&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=64167&r=dst IIS Stability: https://bugs.php.net/fix.php?id=64167&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=64167&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=64167&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=64167&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=64167&r=mysqlcfg