Array.class.php
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<?php
/**
* 数组操作类
*
* @author xiaoma 2012.3.19
*
*
*/
class Util_Utils_Array {
/**
* 对二维数组进行排序
* @example sysSortArray($Array,"Key1","SORT_ASC","SORT_RETULAR","Key2"……)
* @author xiaoma
* @param array $ArrayData the array to sort.
* @param string $KeyName1 the first item to sort by.
* @param string $SortOrder1 the order to sort by("SORT_ASC"|"SORT_DESC")
* @param string $SortType1 the sort type("SORT_REGULAR"|"SORT_NUMERIC"|"SORT_STRING")
* @return array sorted array.
*/
static function sysSortArray($ArrayData,$KeyName1,$SortOrder1 = "SORT_ASC",$SortType1 = "SORT_REGULAR")
{
if(!is_array($ArrayData))
{
return $ArrayData;
}
// Get args number.
$ArgCount = func_num_args();
// Get keys to sort by and put them to SortRule array.
for($I = 1;$I < $ArgCount;$I ++)
{
$Arg = func_get_arg($I);
if(!preg_match("/SORT/",$Arg))
{
$KeyNameList[] = $Arg;
$SortRule[] = '$'.$Arg;
}
else
{
$SortRule[] = $Arg;
}
}
// Get the values according to the keys and put them to array.
foreach($ArrayData AS $Key => $Info)
{
foreach($KeyNameList AS $KeyName)
{
${$KeyName}[$Key] = $Info[$KeyName];
}
}
// Create the eval string and eval it.
$EvalString = 'array_multisort('.join(",",$SortRule).',$ArrayData);';
eval ($EvalString);
return $ArrayData;
}
/**
* 去除不需要的值
* @param array $array
* @param array|string $filter
*/
static function filterValue($array,$filter){
$filter = (array)$filter ;
$result = (array)$array ;
foreach ($array as $k => $v){
if (in_array($v, $filter)){
unset($result[$k]) ;
}
}
return $result ;
}
}