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<?php
namespace PayPal\Common;
/**
* Class ArrayUtil
* Util Class for Arrays
*
* @package PayPal\Common
*/
class ArrayUtil
{
/**
*
* @param array $arr
* @return true if $arr is an associative array
*/
public static function isAssocArray(array $arr)
{
foreach ($arr as $k => $v) {
if (is_int($k)) {
return false;
}
}
return true;
}
}