php - Convert an array of simple arrays into an array of Associative arrays? -


i'm using php , i'm using array listed here: https://gist.github.com/aghouseh/3926213

so it's array state name, , within state names list of counties, this:

$counties = array( "alabama" => array(     "autauga county",     "baldwin county",     "barbour county",     "bibb county") "california => array(     "los angeles county",     "san francisco county"));

so i'm trying accomplish this:

$counties = array( "alabama" => array(     "autauga county" => "autauga county",     "baldwin county" => "baldwin county",     "barbour county" => "barbour county",     "bibb county" => "bibb county") "california => array(     "los angeles county" => "los angeles county",     "san francisco county" => "san francisco county"));

i wanna make second level array associative array. tried search answer , came didn't work:

foreach ($counties $state) {         foreach ($state $county) {             array_combine($county, $county);         }     }

create new array wish , replace original it:

foreach ($counties $state => $x) {     $c = array();     foreach ($x $county) {         $c[$county] = $county;     }     $counties[$state] = $c; }

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