示范数组如下所示:Array
(
[8] => .icon-48-alarms
[14] => .icon-16-alarms
[17] => .icon-16-alarms
[21] => .icon-16-alarms
[24] => .icon-new-alarms
[27] => .icon-new-alarms
)
想请高手写一个算法,得到的结果如下
8 =>.icon-48-alarms
14,17,21 => .icon-16-alarms
24,47 => .icon-new-alarms小弟在线等了...
(
[8] => .icon-48-alarms
[14] => .icon-16-alarms
[17] => .icon-16-alarms
[21] => .icon-16-alarms
[24] => .icon-new-alarms
[27] => .icon-new-alarms
)
想请高手写一个算法,得到的结果如下
8 =>.icon-48-alarms
14,17,21 => .icon-16-alarms
24,47 => .icon-new-alarms小弟在线等了...
14 => '.icon-16-alarms',
17 => '.icon-16-alarms',
21 => '.icon-16-alarms',
24 => '.icon-new-alarms',
27 => '.icon-new-alarms');
$arr = array_unique($arr);
echo '<pre>';print_r($arr);
<?php
$arr = array(8 => '.icon-48-alarms',
14 => '.icon-16-alarms',
17 => '.icon-16-alarms',
21 => '.icon-16-alarms',
24 => '.icon-new-alarms',
27 => '.icon-new-alarms'
);
$out_arr = array();
foreach($arr as $key=>$val)
{
if ($search_key = array_search($val,$out_arr))
{
$out_arr[$search_key.','.$key] = $val;
unset($out_arr[$search_key]);
}
else
{
$out_arr[$key] = $val;
}
}
print_r($out_arr);
?>
$newArray[$val] .= $key.",";
}
14,17,21 => .icon-16-alarms
24,47 => .icon-new-alarms
(
[8] => .icon-48-alarms
[14,17,21] => .icon-16-alarms
[24,27] => .icon-new-alarms
)
14 => '.icon-16-alarms',
17 => '.icon-16-alarms',
21 => '.icon-16-alarms',
24 => '.icon-new-alarms',
27 => '.icon-new-alarms');$t = array();
foreach($ar as $k=>$v) {
$t[$v] = trim($t[$v] . ",$k", ',');
}
$t = array_flip($t);Array
(
[8] => .icon-48-alarms
[14,17,21] => .icon-16-alarms
[24,27] => .icon-new-alarms
)