Did you mean

did_you_mean.php

<?php

function didYouMean($query, $suggestions) {
    $querySoundex = soundex($query);
    $similarSuggestions = [];

    foreach ($suggestions as $suggestion) {
        if (soundex($suggestion) == $querySoundex) {
            $similarSuggestions[] = $suggestion;
        }
    }

    return $similarSuggestions;
}

$query = "exmple";
$suggestions = ["example", "sample", "exemplary", "exempt"];

$didYouMean = didYouMean($query, $suggestions);

if (!empty($didYouMean)) {
    echo "Did you mean: " . implode(', ', $didYouMean) . "?";
} else {
    echo "No suggestions found.";
}

?>