PHP/String/similar text

Checking for Similar Names

 
<?php
$names = array("A", "B","R", "R");
$output = "";
foreach ($names as $name) {
    similar_text($name, "Roberto Smyth", $percent);
    $output .= "{$name} = {$percent}%\n";
}
echo "<pre>{$output}</pre>";
?>

Determine the similarity between two strings is provided by the similar_text function

 
<?php
    $matches = similar_text ("see", "say", &$per);
    echo "Matches: $matches - Percentage: $per\n";
?>