3 回答

TA貢獻(xiàn)1921條經(jīng)驗(yàn) 獲得超9個(gè)贊
<?php
$array1 = ["a" => 2, "b" => 3, "c" => 1, "d" => 2];
$array2 = ["c" => 1, "d" => 1, "a" => 2, "b" => 3, "x" => 4, "z" => 1];
$count = 0;
foreach($array1 as $key => $value){
$array_2_value = $array2[$key] ?? null;
if($array_2_value !== null && $array_2_value === $value) $count++;
}
echo $count;
您可以循環(huán)檢查密鑰是否存在具有相同值的鍵。如果是,我們將增加計(jì)數(shù)。您可以使用空合并運(yùn)算符 ??
來(lái)檢查 是否存在。$array1
$array2
$key
$array2

TA貢獻(xiàn)1864條經(jīng)驗(yàn) 獲得超6個(gè)贊
function countSameKeyAndValues(array $array1, array $array2): int
{
$sameKeys = array_keys(array_intersect($array1, $array2));
$count = 0;
foreach ($sameKeys as $key) {
if ($array1[$key] === $array2[$key]) {
$count++;
}
}
return $count;
}

TA貢獻(xiàn)1786條經(jīng)驗(yàn) 獲得超11個(gè)贊
您可以使用循環(huán)遍歷$array 1。foreach
然后,您可以使用 for 檢查 $array 2 的值。key$array1
然后,如果該鍵的值存在,則可以檢查該鍵的值是否相同$array1
<?php
$array1 = ["a" => 2, "b" => 3, "c" => 1, "d" => 2];
$array2 = ["c" => 1, "d" => 1, "a" => 2, "b" => 3, "x" => 4, "z" => 1];
$count = 0;
foreach($array1 as $key => $value){
$array2Value = $array2[$key] ?? null;
if($array2Value !== null && $array2Value === $value)
$count++;
}
echo $count;
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