Bug #60426 [NEW]: array_keys convert keys type

From: Operating system: Ubuntu PHP version: Irrelevant Package: Arrays related Bug Type: Bug Bug description:array_keys convert keys type Description: ------------ I noticed when I extract the keys of an array using array_keys, if a key is an string with a number, on the resulting array from the array_keys execution I get an integer for this key instead of a string. My version of PHP is 5.3.5-1ubuntu7.3. Regards! Test script: --------------- $a = array( '1' => 'apple', '2' => 'banana', '3' => 'orange', '4' => 'stawberry', ); $keys = array_keys($a); echo gettype( $keys[0] ); Expected result: ---------------- Output: string Actual result: -------------- Output integer -- Edit bug report at https://bugs.php.net/bug.php?id=60426&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=60426&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=60426&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=60426&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=60426&r=fixed Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=60426&r=needdocs Fixed in release: https://bugs.php.net/fix.php?id=60426&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=60426&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=60426&r=needscript Try newer version: https://bugs.php.net/fix.php?id=60426&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=60426&r=support Expected behavior: https://bugs.php.net/fix.php?id=60426&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=60426&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=60426&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=60426&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=60426&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=60426&r=dst IIS Stability: https://bugs.php.net/fix.php?id=60426&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=60426&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=60426&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=60426&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=60426&r=mysqlcfg