note 47630 added to function.array-diff-key
| From: | denisnoessler at osu1 dot php dot net | Date: | Tue, 23 Nov 2004 12:07:08 +0000 |
| Subject: | note 47630 added to function.array-diff-key | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-80917@lists.php.net to get a copy of this message | ||
if (!function_exists('array_diff_key'))
{
/**
* Computes the difference of arrays using keys for comparison
*
* @param array $valuesBase Base elements for comparison, associative
* @param array $valuesComp[,..] Comparison elements, associative
*
* @param array Elements, not existing in comparison element, associative
*/
function array_diff_key()
{
$argCount = func_num_args();
$argValues = func_get_args();
$valuesDiff = array();
if ($argCount < 2)
{
return false;
}
foreach ($argValues as $argParam)
{
if (!is_array($argParam))
{
return false;
}
}
foreach ($argValues[0] as $valueKey => $valueData)
{
for ($i = 1; $i < $argCount; $i++)
{
if (isset($argValues[$i][$valueKey]))
{
continue 2;
}
}
$valuesDiff[$valueKey] = $valueData;
}
return $valuesDiff;
}
}
----
Manual Page -- http://www.php.net/manual/en/function.array-diff-key.php
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