php - json_encode an array posted from a form -

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i have array being passed method insert database.

i've tried: 

$names = $_post['names'];  json_encode($names); echo '<pre>' .print_r($names,1). '</pre>'; exit;

and...

json_encode($names = $_post['names']);

but neither seem work.. note when debugging print json encoded array, showing array , values - no json :( suggests array being passed fine json encoding not working!

cheers

you have use returned string. json_encode not modify array, arguments passed value.

$names = $_post['names'];  $jsonencoded = json_encode($names); echo $jsonencoded;

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