Bug #68429 [Csd->Nab]: array_fill_keys function deletes repeated keys

Edit report at https://bugs.php.net/bug.php?id=68429&edit=1 ID: 68429 Updated by: requinix@php.net Reported by: jesushuertaarrabal at gmail dot com Summary: array_fill_keys function deletes repeated keys -Status: Closed +Status: Not a bug Type: Bug Package: Arrays related PHP Version: 5.6.3 Block user comment: N Private report: N Previous Comments: ------------------------------------------------------------------------ [2014-11-16 19:53:19] jesushuertaarrabal at gmail dot com associative arrays must have a unique key. ------------------------------------------------------------------------ [2014-11-16 19:24:53] jesushuertaarrabal at gmail dot com following with the issue investigation, I've just realiced that array_combine also cause the same issue: Test script: --------------- $word = 'metheor'; $arr = $arr_fill = []; echo strlen($word); for ($i = 0; $i < strlen($word); $i++){ $arr[] = $word[$i]; $arr_fill[] = 0; } print_r(array_combine($arr, $arr_fill)); ------------------------------------------------------------------------ [2014-11-16 18:20:28] jesushuertaarrabal at gmail dot com Description: ------------ I was trying to associate values equals 1 for all the characters of a simple word with repeated characters with the function array_fill_keys. For any reason I found that some keys were erased for any reason after using it like the example bellow. Test script: --------------- $word = 'metheor'; $arr = []; echo strlen($word); //It shows the lenght of the word for ($i = 0; $i < strlen($word); $i++){ $arr[] = $word[$i]; } print_r($arr); //It shows the full word print_r(array_fill_keys($arr, 0)); //It shows the word filled with 0's but without repeated characters Expected result: ---------------- array([m]=>1, [e]=>1, [t]=>1, [h]=>1, [e]=>1, [o]=>1, [r]=>1) Actual result: -------------- array([m]=>1, [e]=>1, [t]=>1, [h]=>1, [o]=>1, [r]=>1) ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=68429&edit=1