Passing objects with functions from PHP to JS [duplicate]

Question

I've created a jQuery plugin that takes options in the form of an object. If I initialised the object client side I would do something like

$(selector).myPlugin({
    opt: value,
    id: 2,
    onclose: function () {},
});

My function would interpret the options as

1. {opt: string(value), id: int(2), onclose: function () {}}

However, the plugin declaration is made server side, and I turn a PHP associative array into the object required for the plugin options by using json_encode. The problem here is that my plugin recognises the declaration as

2. {opt: string(value), id: string(2), onclose: string(function () {})}

What I want to know is how do I pass that associative array from PHP in a way that JS interprets it as 1

Parse and pass it as JSON, this way u can convert it back and forth in both languages — DarkBee
– DarkBee, Commented Jul 30, 2014 at 8:43
@darkbee That's the problem though, I get the object in 2, which is incorrect. It interprets a function as a string — Luke Madhanga
– Luke Madhanga, Commented Jul 30, 2014 at 8:44
@LukeMadhanga my bad, have to read full question next time '-_ — DarkBee
– DarkBee, Commented Jul 30, 2014 at 8:48

TiMESPLiNTER · Accepted Answer · 2014-07-30 08:49:14Z

0

Cast your id value to an int before encoding the array to JSON:

$opts = array(
    'opt' => 'value',
    'id' => '2',
    'onclose' => 'function() {}'
);

$opts['id'] = (int)$opts['id'];

echo json_encode($opts);

Or even better would be if you cast the value for id before/during you construct the $opts array.

answered Jul 30, 2014 at 8:49

TiMESPLiNTER

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