Bug #77545 [NEW]: wrong output of array_diff

From: bostjan dot kristl at gmail dot com Operating system: Linux PHP version: Irrelevant Package: *General Issues Bug Type: Bug Bug description:wrong output of array_diff Description: ------------ I have tested in version Debian 9, PHP 7.0.33-0+deb9u1 and CentOS Linux release 7.6.1810, 7.2.14 array_diff in first example show, that is no difference between arrays values Test script: --------------- $t1['c'] = 3; $t1['i'] = 10; $t1['iv'] = 10; $t2['c'] = 3; $t2['i'] = 10; $t2['iv'] = 11; var_dump(array_diff($t1,$t2)); var_dump(array_diff($t2,$t1)); Expected result: ---------------- array(1) { ["iv"]=> int(11) } array(1) { ["iv"]=> int(11) } Actual result: -------------- array(0) { } array(1) { ["iv"]=> int(11) } -- Edit bug report at https://bugs.php.net/bug.php?id=77545&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77545&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77545&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77545&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=77545&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=77545&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=77545&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=77545&r=needscript Try newer version: https://bugs.php.net/fix.php?id=77545&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=77545&r=support Expected behavior: https://bugs.php.net/fix.php?id=77545&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=77545&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=77545&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=77545&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77545&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=77545&r=dst IIS Stability: https://bugs.php.net/fix.php?id=77545&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=77545&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=77545&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=77545&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=77545&r=mysqlcfg