How to post array from javascript to php?

Question

I want to post an array using Jquery Ajax to php. Is this possible ?

Thanks

EDIT:

I tried following :

type: "POST",
url: "path",
data: "styles=" + strstyles + "&templateId=" + custTempId, //strstyles is an associative array
dataType: "json",
success: function (data) { .....}

but, styles hold no data. I spent a lot of time, before adding data type to the declaration. What can be the reason for "styles" being posted as null ?

Second Edit

I want to post style sheet dom object and save the class names and properties to DB. With the above edit, adding datatype did not help. I think it is b'coz the string is not in json format as follows -

    {"a":1,"b":2,"c":3,"d":4,"e":5}

As the my string has double quotes, it is not following the format, and I think that's the reason, I'm getting an empty array. How can I handle this ?

hi buddy, use JSON.stringify to create json strings from objects, see my solution in few minutes — Ayaz Alavi
– Ayaz Alavi, Commented Aug 27, 2010 at 9:16

Alex Pliutau · Accepted Answer · 2010-08-27 08:12:29Z

2

With jQuery it is very easy:

$.ajax({
    type: "POST",
    url: location.href,
    data: data,//data is array
    dataType: "json",
    success : function () {
        // Something after success
    }
});

answered Aug 27, 2010 at 8:12

Alex Pliutau

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2 Comments

KutePHP Over a year ago

@ Alexander.Plutov, Hey Thanks :) - to use json, do I need any library files ?

alex Over a year ago

@KutePHP No, JSON makes use of the native JavaScript object literal. You can decode with JavaScript's eval(), however, it raises security concerns if the JSON isn't trusted. See the JSON site for a parser.

Mukesh Yadav · Accepted Answer · 2010-08-27 08:46:15Z

0

You can use in following way too

$.ajax({

type: "POST",
url: location.href,
data: ({'data[]' : array}),//array is array
dataType: "json",
success : function () {
    // Something after success
}

});

answered Aug 27, 2010 at 8:46

Mukesh Yadav

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Comments

pleasedontbelong · Accepted Answer · 2010-08-27 08:49:49Z

0

if you don't want to use JSON, PHP can automatically create arrays from Html forms so you could do something like this:

type: "POST",
url: "path",
data: "styles[key1]=" + strstyles.val1 + "&styles[key2]=" + strstyles.val2 + ... + "&templateId=" + custTempId
...

that is if you want to have an associative array in php, but if you want just an array you could do

data: "styles[]=" + strstyles.val1 + "&templateId=" + custTempId

answered Aug 27, 2010 at 8:49

pleasedontbelong

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Comments

Ayaz Alavi · Accepted Answer · 2010-08-27 09:34:00Z

In POST call you dont use & , So your code should be something like

type: "POST",
url: "path",
data: {styles: strstyles , templateId: custTempId}, //strstyles is an associative array
dataType: "json",
success: function (data) { .....}

is that point clear? So coming to my solution,

you should download JSON parser from http://www.mediafire.com/?x6k3su7bbdrcta8.
Create object strstylesOBJ, code: var strstylesOBJ = {};
insert your strstyles array into strstylesOBJ and stringify it then pass to it in your post call
```
 strstylesOBJ.styles = strstyles;    
 strstyles = JSON.stringify(strstylesOBJ);
```
In PHP code you refecth your array using $strstyles = json_decode($_POST['styles']);
do var_dump($strstyles) and please tell what was the output.

regards

Ayaz Alavi

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