Difference between revisions of "JArrayHelper/getColumn"
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< API16:JArrayHelper
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Revision as of 21:49, 12 May 2013
The "API16" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.
Description[edit]
Extracts a column from an array of arrays or objects
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Syntax[edit]
getColumn(&$array, $index)| Parameter Name | Default Value | Description |
|---|---|---|
| &$array | $array The source array | |
| $index | $index The index of the column or name of object property |
Returns[edit]
array Column of values from the source array
Defined in[edit]
libraries/joomla/utilities/arrayhelper.php
Importing[edit]
jimport( 'joomla.utilities.arrayhelper' );Source Body[edit]
function getColumn(&$array, $index)
{
$result = array ();
if (is_array($array))
{
$n = count($array);
for ($i = 0; $i < $n; $i++)
{
$item = & $array[$i];
if (is_array($item) && isset ($item[$index])) {
$result[] = $item[$index];
} elseif (is_object($item) && isset ($item-> $index)) {
$result[] = $item-> $index;
}
// else ignore the entry
}
}
return $result;
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Examples[edit]
<CodeExamplesForm />