Mash dictionary words into a selected word to create neologism candidates

neologism.php

<?php
/**
 * Neologism
 * Mash a selected word into dictionary words,
 * sort into a list for perusal. Not terribly memory friendly.
 *
 * @arg string  $word           The word to be mashed.
 * @arg string  $end_part       The end part of the word to start the mashing from.
 */

// Retrieve system dictionary (OSX) and split to array
$dict = file_get_contents('/usr/share/dict/words');
$dict = explode("\n", $dict);

// Parse command line arguments into variables
list($filename, $word, $end_part) = $argv;

// Compile a list of words which contain the end part.
$wordlist = array();
foreach ($dict as $entry) {
    if (strpos($entry, $end_part)) {
        $wordlist[]=$entry;
    }
}

// The magic - mash the selected word into discovered dictionary words
$mashed = array();
foreach ($wordlist as $entry) {
    $result = trim(preg_replace('/(.+)'.$end_part.'(.+)?/', $word.'$2', $entry));
    if ($result != $word) {
        $mashed[]= $result;
    }
}

// De-dupe
$mashed = array_unique($mashed);

// Sort, shortest to longest
uasort($mashed, function($a, $b){
    if (strlen($a) == strlen($b)) {
        return 0;
    }
    return (strlen($a) < strlen($b)) ? -1 : 1;
});

foreach ($mashed as $entry) {
    print $entry . PHP_EOL;
}