php comma separated string to... object?

Question

I have a piece of php code that is submitting data to a database. Prior to that I do validation on other fields. If there are missing fields, I throw an error and echo the post data back to those fields.

I am using a jQuery plugin as well and need to send that data back the the plugin to re-invoke the tags.

 $("#tags").select2({
    tags: <?php if(isset($_POST['action'])) { 
                    if ($_GET['action'] != 'success'){ 
                        echo $_POST['tags']; }
                    }else{ 
                        echo '[]'; 
                    } ?>,
    minimumInputLength: 3,
    tokenSeparators: [",", " "]
});

It needs to be in this format:

["tag1", "tag2", "tag3"]

How can I achieve this from a comma separated string? tag1,tag2,tag3

Derek · Accepted Answer · 2014-06-08 03:05:40Z

2

If you are using PHP 5.2 or later, you can use json_encode to convert your object/array to json.

$tags = explode(',',$_POST['tags']);
echo json_encode($tags);

convert object/array to json http://www.php.net//manual/en/function.json-encode.php

Split string to an array by delimiter http://www.php.net//manual/en/function.explode.php

edited Jun 8, 2014 at 3:05

answered Jun 8, 2014 at 2:57

Derek

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Comments

Ram · Accepted Answer · 2014-06-08 03:00:26Z

1

You can use the json_encode function:

echo json_encode( explode(',', $_POST['tags']) );

answered Jun 8, 2014 at 3:00

Ram

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