找到最接近的匹配字符串到数组PHP

Question

I have a string value held in a var, I want to compare it against a array and print the array number that is the nearest match whilst being case sensitive.

so the question is how do I find the nearest match within my array to my var $bio in this case it would be 4

I have seen pregmatch but am unsure on how to use it in this case.

Code I have

<?php
$bio= "Tom, male, spain";

$list= array(
    1 => array("Tom", "male", "UK"),
    8 => array("bob", "Male", "spain"),
    4 => array("Tom", "male", "spain"),
    9 => array("sam", "femail", "United States")
);

function best_match($bio, $list)

{

}

I was thinking something like thinking

$matches  = preg_grep ($bio, $list);

print_r ($matches);

Answer 1

Another way using array_intersect:

$bio= "Tom, male, spain";

$list= array(
    1 => array("Tom", "male", "UK"),
    8 => array("bob", "Male", "spain"),
    4 => array("Tom", "male", "spain"),
    9 => array("sam", "femail", "United States")
);

function best_match($bio, $list) {
    $arrbio = explode(', ', $bio);
    $max = 0;
    $ind = 0;
    foreach($list as $k => $v) {
        $inter = array_intersect($arrbio, $v);
        if (count($inter) > $max) {
            $max = count($inter);
            $ind = $k;
        }
    }
    return [$ind, $max];
}
list($index, $score) = best_match($bio, $list);
echo "Best match is at index: $index with score: $score
";

Output:

Best match is at index: 4 with score: 3