$data = Array ( ['key1'] => 1 , ['key2'] => 20 , ['key3'] => 11)
$key1 = Array (1 => "a" , 2 => "b")
$key2 = Array (1 => "a" , .... 20 => "y")
$key3 = Array (1 => "a" , .... 11 => "n")
替换$ data数组中所有值的最简单方法是返回:
$data['key1'] = $key1[$data['key1']]
而不是一个一个地做,即:
$data['key1'] = $key1[$data['key1']]
$data['key2'] = $key2[$data['key2']]...
答案 0 :(得分:2)
我认为你正在寻找这个:
foreach($data as $k => &$v)
{
if($$k)
{
$t = $$k;
if($t[$v]) $v = $t[$v];
}
}
print_r($data);
但我建议问自己一些关于此意图的更大问题
答案 1 :(得分:1)
这个问题很难理解,但我认为你要做的是使用$data
从其他数组中提取数据。如果是这种情况,这应该有效:
$data = array('key1' => 1, 'key2' => 2, 'key3' => 0);
$key1 = array(1,2,3,4,5);
$key2 = array(6,7,8,9,10);
$key3 = array(11,12,13,14);
foreach(array_keys($data) as $key) {
if(isset($$key)) {
$target = $$key;
$value = $target[$data[$key]];
$data[$key] = $value;
}
}
var_dump($data); #=> [key1 => 2, key2 => 8, key3 => 11]
答案 2 :(得分:1)
我更喜欢这个解决方案
array_walk(
$data,
function(&$a, $b) {
$a = $$a[$b];
}
);
答案 3 :(得分:0)
您可以尝试使用PHP的变量变量,如下所示:
foreach ($data as $mkey => $mval)
{
$data[$mkey] = $$mkey[$data[$mkey]];
}