mirror of
https://github.com/dmuth/diceware.git
synced 2024-10-22 23:12:09 -04:00
141 lines
2 KiB
PHP
Executable file
141 lines
2 KiB
PHP
Executable file
#!/usr/bin/env php
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<?php
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/**
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* This script creates the Javascript code with the wordlist based on
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* the 1/3 most used words in English, found at http://norvig.com/ngrams/
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*
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*/
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if (php_sapi_name() != "cli") {
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print "This script can only be run from the command line!\n";
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exit(1);
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}
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/**
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* Read in our wordlist from Google and return an array with all words that
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* passed validation.
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*
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* @param string $filename The filename
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*
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* @return array An array of words
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*
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*/
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function readWordListPeterNorvig($filename) {
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$retval = array();
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$fp = @fopen($filename, "r");
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if (!$fp) {
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throw new Exception("Could not open '$filename' for reading");
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}
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$count = 0;
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while ($line = fgets($fp)) {
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$line = rtrim($line);
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list($word, $freq) = explode("\t", $line);
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$len = strlen($word);
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//
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// Keep all words between 4 and 7 characters
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//
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if ($len < 4 || $len > 7) {
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continue;
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}
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$retval[] = $word;
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$count++;
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if ($count > 7776) {
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break;
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}
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}
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//
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// Put the words in alphabetical order for my own sanity.
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//
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sort($retval);
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fclose($fp);
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return($retval);
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} // End of readWordListPeterNorvig()
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/**
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* Create our Javascript, but as an array
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*
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* @param array $words Our array of words
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*
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* @return string Javascript which defines an array of those words
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*/
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function getJsArray($words) {
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$retval = ""
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. "//\n"
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. "// Our wordlist.\n"
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. "//\n"
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. "// Originally obtained from http://norvig.com/ngrams/\n"
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. "//\n"
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. "var wordlist = [\n"
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;
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$beenhere = false;
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foreach ($words as $key => $value) {
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if ($beenhere) {
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$retval .= ",\n";
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}
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$retval .= "\t\"${value}\"";
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$beenhere = true;
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}
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$retval .= "\n"
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. "];\n"
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. "\n"
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;
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return($retval);
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} // End of getJsArray()
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/**
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* Our main entry point.
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*/
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function main() {
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//
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// Read our file
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//
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$filename = "count_1w.txt";
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$words = readWordListPeterNorvig($filename);
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//print_r($words); // Debugging
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//
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// Match words to dicerolls
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//
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//$rolls = getDiceRolls($words);
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//
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// Get our Javascript
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//
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$js = getJsArray($words);
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print $js;
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} // End of main()
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main();
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