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<?php
/*
* This file is a part of dflydev/dot-access-data.
*
* (c) Dragonfly Development Inc.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Dflydev\DotAccessData;
class Util
{
/**
* Test if array is an associative array
*
* Note that this function will return true if an array is empty. Meaning
* empty arrays will be treated as if they are associative arrays.
*
* @param array $arr
*
* @return boolean
*/
public static function isAssoc(array $arr)
{
return (is_array($arr) && (!count($arr) || count(array_filter(array_keys($arr),'is_string')) == count($arr)));
}
/**
* Merge contents from one associtative array to another
*
* @param array $to
* @param array $from
* @param bool $clobber
*/
public static function mergeAssocArray($to, $from, $clobber = true)
{
if ( is_array($from) ) {
foreach ($from as $k => $v) {
if (!isset($to[$k])) {
$to[$k] = $v;
} else {
$to[$k] = self::mergeAssocArray($to[$k], $v, $clobber);
}
}
return $to;
}
return $clobber ? $from : $to;
}
}