DNA to list of required skills

sreq.php

<?php
/* Author: Romain Dal Maso <[email protected]>
 *
 * This program is free software. It comes without any warranty, to the
 * extent permitted by applicable law. You can redistribute it and/or
 * modify it under the terms of the Do What The Fuck You Want To Public
 * License, Version 2, as published by Sam Hocevar. See
 * http://sam.zoy.org/wtfpl/COPYING for more details. */

if($argc !== 2) {
	fprintf(STDERR, "Usage: %s <dna-string>\n", $argv[0]);
	die(1);
}
$dna = $argv[1];

/* XXX: cache this, obviously */
$csvattribs = explode("\n", shell_exec('curl -s "https://www.fuzzwork.co.uk/dump/latest/dgmTypeAttributes.csv.bz2" | bunzip2'));

$rs = [
	182 => 277, /* RequiredSkill1 => RequiredSkill1Level */
	183 => 278, /* etc… */
	184 => 279,
	1285 => 1286,
	1289 => 1287,
	1290 => 1288,
];
$iattr = array_flip(array_merge(array_keys($rs), array_values($rs)));
$attribs = [];

foreach($csvattribs as $row) {
	if($row === '') continue;
	
	list($typeid, $attributeid, $valint, $valfloat) = explode(",", $row);
	if(isset($iattr[$attributeid])) {
		$val = ($valint === 'None') ? floatval($valfloat) : intval($valint);
		if(!$val) continue;
		$attribs[$typeid][$attributeid] = $val;
	}
}

$requirements = [];

foreach(explode(':', $dna) as $dnap) {
	if($dnap === '') continue;
	$typeid = explode(';', $dnap, 2)[0];

	foreach($rs as $s => $sl) {
		if(!isset($attribs[$typeid][$s])) continue;
		$s = $attribs[$typeid][$s];
		$sl = $attribs[$typeid][$sl];
		
		$l = $requirements[$s] ?? 0;
		$requirements[$s] = max($l, $sl);
	}
}

echo json_encode($requirements, JSON_PRETTY_PRINT)."\n";