<?php
namespace PayPalCommon;
/**
* Class ArrayUtil
* Util Class for Arrays
*
* @package PayPalCommon
*/
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;
}
}