JSON and Arrays mixed up (in PHP) - php

Question

This is what I get from my SQL selection. The data is correct, now I'd like to echo it by foreach.
Array ( [0] => stdClass Object ( [sql_column] => [{"1":"value1", "2":"value2", "3":"value3"}] ) )
What I've tried (and which didn't work) was:
$obj = json_decode($arr);
foreach($obj as $data){
echo $data->sql_column->1; //this should echo "value1", but it doesn't
}
Does anyone see my mistake? Thanks in advance!

Answer 1

If $arr is the array you posted then you can't json_decode it since it's an array and not a JSON string.
//First you need to get the string
$json = $arr[0]->sql_column;
//Then decode
$data = json_decode($json);
//Then loop
foreach($data as $key => $value){
echo "$key = $value \n";
}

Answer 2

Your json seems to be complicated (double dimensional array), but you can fetch values from it in this manner:
foreach($arr as $data){
$json = json_decode($data->sql_column);
$temp = (array)$json[0];
foreach($temp as $k=>$v){
print($v."<br/>");
}
}
I hope you get an idea...
I used foreach for $arr to cover multi values, you can omit that if you want:
$data=$arr[0];
$json = json_decode($data->sql_column);
$temp = (array)$json[0];
foreach($temp as $k=>$v){
print($v."<br/>");
}