php - Json decode store in single var -

hie all, have $id="1,2,3,";//like this wanted pass within function like..

<input type="submit"  onclick="<?php echo 'edit($id)';?>">

i have $id in json_encoded format. want decode it. , store each in single var.

foreach() { // single var store each decoded .. }

in file1 save id in hidden field,

<form method="get" action="file2.php">     <input type="hidden" name="ids" value="<?php echo $id;?>">     <input type="submit"> </form>

in file2 this,

$id = $_get['ids']; $id_arr = explode(',',$id);  // gives array

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