- json_decode: documentation ( source)
- implode: documentation ( source)
<?php
$c='{"ContentBlock1":["2","22"],"ContentBlock2":["1","11"]}';
$cid = json_decode($c);
foreach ($cid as $key){
$jsoncid[] = $key;
}
//print_r($jsoncid);
echo implode(',',$jsoncid);