[UPDATED] xat wiki error grabber

<?php
$json = json_decode(file_get_contents("http://util.xat.com/wiki/api.php?action=query&titles=Errors&prop=revisions&rvprop=content&format=json"), true);
$wiki = strip_tags($json['query']['pages'][156]['revisions'][0]['*']);
$splits = preg_split("/\n?==\s?(.*?)\s?==\n?/", $wiki, -1, PREG_SPLIT_DELIM_CAPTURE);
array_shift($splits);
$categories = [];
for($x = 0; $x < count($splits); $x+=2) {
    preg_match_all("/{{(?:spoiler\|bold=no\|\n)(.*?)}}/s", trim($splits[$x+1]), $m);
    $categories[$splits[$x]] = array_map(function($element) {
        $element = str_replace("  ", " ", $element);
        $element = preg_replace(["/\[\[(\w+)\]\]/", "/\[\[(?:.*?)\|(.*?)\]\]/", "/\[(.*?)\s(?:.*?)\]/"], ["http://xat.wiki/$1", "$1", "$1"], $element);
        $element = explode("|", $element, 2);
        if(count($element) > 1)
        $element[0] .= " More information at http://xat.wiki/Errors.";
        return array_map("trim", $element);
    }, $m[1]);
}
print_r($categories);