Bug #76505 [NEW]: array_merge_recursive() is duplicating sub-array keys

From: german dot drulyk at gmail dot com Operating system: https://3v4l.org/ PHP version: 7.2.6 Package: Arrays related Bug Type: Bug Bug description:array_merge_recursive() is duplicating sub-array keys Description: ------------ Keys are duplicated in the sub-array. Test script: --------------- <?php $array1 = array( 'k' => array( 2 => 100, 98 => 200, ) ); $array2 = array( 'k' => array( 64 => 300 ) ); $array3 = array_merge_recursive( $array1, $array2 ); echo '<pre>'; var_dump( $array3 ); echo 'count: '.count( $array3['k'] ); Expected result: ---------------- array(1) { ["k"]=> array(3) { [2]=> int(100) [98]=> int(200) [99]=> int(300) } } count: 3 Actual result: -------------- array(1) { ["k"]=> array(3) { [2]=> int(100) [98]=> int(200) [2]=> int(300) } } count: 3 -- Edit bug report at https://bugs.php.net/bug.php?id=76505&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76505&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76505&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76505&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=76505&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=76505&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=76505&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=76505&r=needscript Try newer version: https://bugs.php.net/fix.php?id=76505&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=76505&r=support Expected behavior: https://bugs.php.net/fix.php?id=76505&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=76505&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=76505&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=76505&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76505&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=76505&r=dst IIS Stability: https://bugs.php.net/fix.php?id=76505&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=76505&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=76505&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=76505&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=76505&r=mysqlcfg