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Editorial Team
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Asked: 2026-06-11T21:21:09+00:00

Possible Duplicate: Post the checkboxes that are unchecked I’ve got a problem with serializing

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Possible Duplicate:
Post the checkboxes that are unchecked

I’ve got a problem with serializing empty array inputs. for example:

<input type="checkbox" name="test_checkbox[]" value="test" id="test">
<input type="checkbox" name="test_checkbox[]" value="test1" id="test1">
<input type="checkbox" name="test_checkbox[]" value="test2" id="test2">

when none of these are checked and I submit the form (via POST), jQuery.serialize() excludes them and they do not appear in my $_POST/Serialized String.

But I need something like test_checkbox=0, when none is ticked.

How can I do that?

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1 Answer

  1. Editorial Team

    Simply inserting this in your server code

    $_POST['test_checkbox'] = isset($_POST['test_checkbox']) ? $_POST['test_checkbox'] : 0;

    Would leave you with the $_POST['test_checkbox'] variable set to 0 if none of them was set by the client. I’d recommend using a new variable instead of resetting the entry in $_POST, though.

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