PHP-比较两个数组
这是我的两个阵列:PHP-比较两个数组,php,arrays,Php,Arrays,这是我的两个阵列: Array ( [25] => Array ( [items_to_give] => Array ( [0] => Array ( [xx] => xx [xx] => xx )
Array
(
[25] => Array
(
[items_to_give] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
[items_to_get] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
)
[26] => Array
(
[items_to_give] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
[items_to_get] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
)
[36] => Array
(
[items_to_give] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
[items_to_get] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
)
)
和
Array
(
[25] => Array
(
[items_to_give] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
[items_to_get] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
)
[26] => Array
(
[items_to_give] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
[items_to_get] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
)
[30] => Array
(
[items_to_give] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
[items_to_get] => Array
(
[0] => Array
(
[xx] => xx
[xx] => xx
)
)
)
)
现在我想比较这些数组并返回两个数组中包含的所有ArrayItem。在本例中,它们是[25]和[26]
因此返回的数组应该是这样的(正如我所说的[25]和[26]都包含在两个数组中,所以返回的数组是这样的):
我已经尝试过的:
$result = array_map("unserialize", array_intersect($this->serialize_array_values($array1),$this->serialize_array_values($array2)));
function serialize_array_values($arr){
foreach($arr as $key=>$val){
sort($val);
$arr[$key]=serialize($val);
}
return $arr;
}
但这会以错误的格式返回数组。[items_to_give]和[items_to_get]正在转换为索引[0]和[1],这是不需要的
我希望数组在返回时保持原样,这意味着我需要[items\u to\u give]和[items\u to\u get]而不是索引[0]和[1]
其他可能的解决方案是什么?感谢您提供的解决方案。尝试此功能:
function my_array_diff($arr1, $arr2)
{
$res = array();
foreach ($arr1 as $val1) {
$val1 = serialize($val1);
foreach ($arr2 as $key2 => $val2) {
if (serialize($val2) == $val1) {
$res[$key2] = $val2;
}
}
}
return $res;
}
数组_intersect()和数组_intersect _assoc()听起来像是在寻找Semi offtopic:示例代码修改它正在遍历的数组。这可能导致未定义和不可预测的行为。如果您需要在遍历时修改数组的内容,请使用引用,即。
foreach($arras$key=>&$val){$val++;}
。
function my_array_diff($arr1, $arr2)
{
$res = array();
foreach ($arr1 as $val1) {
$val1 = serialize($val1);
foreach ($arr2 as $key2 => $val2) {
if (serialize($val2) == $val1) {
$res[$key2] = $val2;
}
}
}
return $res;
}