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error checking for radio button and check boxes
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Hi,
I've come across a sample of error checking for check boxes:
$retail_checked = (isset($_POST['retail']) and $_POST['retail'] == "on");
where the $_POST[] == "on" , where this apply in
<input type="checkbox" value="1" name="retail" $retail >1 ?
How does the $retail store the value 1 there, does it pass the value 1 to the $retail in the
<input /> ? and then I can check it using isset $_POST?
I've come across a sample of error checking for check boxes:
$retail_checked = (isset($_POST['retail']) and $_POST['retail'] == "on");
where the $_POST[] == "on" , where this apply in
<input type="checkbox" value="1" name="retail" $retail >1 ?
How does the $retail store the value 1 there, does it pass the value 1 to the $retail in the
<input /> ? and then I can check it using isset $_POST?
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