我正在尝试对数组进行排序和拼接,但我发现它非常令人困惑.
我从mysql表中提取了数据:
$total = mysql_query("SELECT * FROM orders");
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然后我将每列排序成一个数组:
while($result = mysql_fetch_assoc($total))
{
$cst[] = $result['customer'];
$partnumber[] = $result['partnumber'];
$misc[] = $result['misc'];
}
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现在,misc有许多以随机顺序重复的条目,例如
$misc = array(
[0] => red,
[1] = >red,
[2] => blue,
[3] => blue,
[4] => blue,
[5] => green,
[6] =>red
)
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问题:计算$ misc中每个红色,蓝色或绿色元素的数量的最佳方法是什么?我怎么能创建一个这样的数组$misc_num['red'] = 3等?