Words With Enemies

wordstuff.php

<?php

if ($argc < 2) {

    echo "Usage: \n";
    echo "\n";
    echo "1. Wait till you get an invite for a silly wordgame\n";
    echo "2. execute $argv[0] [letters]\n";
    echo "3. Win\n";
    die();    

}

$dictionaryLocations = array(
    '/usr/share/dict/words',
);

$ok = false;

foreach($dictionaryLocations as $dict) {
    if (file_exists($dict)) {
        $ok = true;
        break;
    }
}

if (!$ok)
    die('Could not find dictionary');

echo "Using dictionary: $dict\n";

$letters = array();

foreach(str_split($argv[1]) as $letter) {

    if (isset($letters[$letter])) {
        $letters[$letter]++;
    } else {
        $letters[$letter] = 1;
    }

}

$words = file($dict);

$foundWords = array();

echo "Searching..\n";

foreach($words as $word) {

    $word = trim($word, "\r\n");

    $l = $letters;
    
    foreach(str_split($word) as $wl) {

        if (!isset($l[$wl]) || $l[$wl]==0) {
            continue 2;
        }
        $l[$wl]--;

    }

    $foundWords[] = $word;

}

usort($foundWords, function($a, $b) {

    if (strlen($a)===strlen($b)) return 0;
    return strlen($a) > strlen($b)?1:-1;

});

foreach($foundWords as $foundWord) {

    echo str_pad(strlen($foundWord),3), $foundWord, "\n";

}