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WebCommon.incomingData(3kaya) Kaya module reference WebCommon.incomingData(3kaya)

NAME

WebCommon::incomingData - Returns all values for the specified key from user-supplied data

SYNOPSIS

[String] incomingData( String key, DataSource ds )

ARGUMENTS

key The key to retrieve data for
ds The source for user-supplied data

DESCRIPTION

Returns an array of all values for the key from the specified data source, or throws a WebCommon.NotIncoming (3kaya) Exception if no such key exists.

// GET /example.cgi?a=1;b=3;b=5;z=;z;z
vals = incomingData("a",DataGet);
// vals = ["1"]
vals = incomingData("b",DataGet);
// vals = ["3","5"]
vals = incomingData("c",DataGet);
// NotIncoming exception thrown
vals = incomingData("z",DataGet);
// vals = ["","",""]
This is useful for processing the output from forms containing checkboxes with the same name or multiple selects.

<form action='example.cgi' method='get'>
<fieldset><legend>Example form</legend>
<select multiple='multiple' name='a'>
<option value='1'>Option 1</option>
<option value='2'>Option 2</option>
<option value='3'>Option 3</option>
<option value='4'>Option 4</option>
</select>
<input type='submit' value='Test!'>
</fieldset>
</form>

AUTHORS

Kaya standard library by Edwin Brady, Chris Morris and others (kaya@kayalang.org). For further information see http://kayalang.org/

LICENSE

The Kaya standard library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (version 2.1 or any later version) as published by the Free Software Foundation.

RELATED

WebCommon.DataSource (3kaya)
WebCommon.incomingExists (3kaya)
WebCommon.incomingKeys (3kaya)
WebCommon.incomingValue (3kaya)
August 2014 Kaya