直接上代码呗:
if (!function_exists('array_intersect_compare')) {
/**
* @param array $left_array
* @param array $right_array
*
* @return bool
*/
function array_intersect_compare(array $left_array, array $right_array): bool {
if (count($right_array) > count($left_array)) {
$tmpArr = $left_array;
$left_array = $right_array;
$right_array = $tmpArr;
}
$left_array = array_flip($left_array);
foreach ($right_array as $right) {
if (isset($left_array[$right])) {
return true;
}
}
return false;
}
}