php - Flatten multidimensional array not working -

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i have 2 arrays following.

$alerts_array=array(1) {           [0]=> array(11) {                            ["customalertsid"]=> int(3)                             ["customalerts_name"]=> string(10) "title demo"                             ["customalerts_publishdate"]=> string(10) "2016-07-03"                             ["customalerts_expirydate"]=> string(10) "2016-07-21"                           }             }   $singlebtn_array  =array(3) {        ["button_text0"]=> string(16) "button name1only"        ["button_text1"]=> string(12) "button name2"         ["button_text2"]=> string(16) "button name3_new"       }

i have merged 2 arrays single multidimensional array looks following

$alerts_array = array_merge($alerts_array,$singlebtn_array);  array(4) { [0]=> array(11)                 { ["customalertsid"]=> int(3)                  ["customalerts_name"]=> string(10) "title demo"                     ["customalerts_publishdate"]=> string(10) "2016-07-03"                   ["customalerts_expirydate"]=> string(10) "2016-07-21"                 }              [1]=> array(1)                   { ["button_text0"]=> string(16) "button name1only" }            [2]=> array(1)                   { ["button_text1"]=> string(12) "button name2" }             [3]=> array(1) { ["button_text2"]=> string(16) "button name3_new" } }

i need both keys , values in new flattened array

i need this:

array(4) { [0]=> array(11)    { ["customalertsid"]=> int(3)     ["customalerts_name"]=> string(10) "title demo"        ["customalerts_publishdate"]=> string(10) "2016-07-03"      ["customalerts_expirydate"]=> string(10) "2016-07-21"       ["button_text0"]=> string(16) "button name1only"     ["button_text1"]=> string(12) "button name2"      ["button_text2"]=> string(16) "button name3_new" }}

i have usedthe following code combining.

 $newarr = array();  foreach ($alerts_array $key=>$tmp) {     $newarr = array_merge($newarr, array_values($tmp));  }

the $newarr giving me result ,but keys lost

simply merge first key [0] of $alerts_array, this:

$alerts_array = array_merge($alerts_array[0], $singlebtn_array);

that output:

array(7) {   ["customalertsid"]=>   int(3)   ["customalerts_name"]=>   string(10) "title demo"   ["customalerts_publishdate"]=>   string(10) "2016-07-03"   ["customalerts_expirydate"]=>   string(10) "2016-07-21"   ["button_text0"]=>   string(16) "button name1only"   ["button_text1"]=>   string(12) "button name2"   ["button_text2"]=>   string(16) "button name3_new" }

also see working demo here.


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