Question:
I send data from javascript to PHP like this:
$.ajax({'url': 'my.php', 'type': 'POST', 'data': JSON.stringify(update_data), 'success': function(response) { alert(response); } }); Using HTTPFOX Firefox plug-in I see the following data in the POST DATA tab:
{"file_id":["1","2","3"],"description":["lala","kuku","wow!"],"tags":[["julia","paper"],["Very nice car"],[]]}
however, if I do in my.php print_r($_POST) I see an empty array. Why is that ? How could I collect the data ?
Solution:1
The data needs to be in the form name=value.
try...
$.ajax({'url': 'my.php', 'type': 'POST', 'data': 'mydata=' + JSON.stringify(update_data), 'success': function(response) { alert(response); } }); Then you should have your json string in $_POST['mydata']
You'll then need to use json_decode to actually get at the individual values in your string.
Solution:2
The response you are getting is in JSON format. Use the json_decode function to convert it to array.
print_r(json_decode($_POST['description'], true));
Solution:3
I'd expect your data to be in $HTTP_RAW_POST_DATA. Then json_decode to make sense of it.
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