autocde2.0/app/helpers.php

<?php

if (!function_exists('make_tree')) {
    /**
     * @param array $list
     * @param int $parentId
     * @return array
     */
    function make_tree(array $list, $parentId = 0) {
        $tree = [];
        if (empty($list)) {
            return $tree;
        }

        $newList = [];
        foreach ($list as $k => $v) {
            $newList[$v['id']] = $v;
        }

        foreach ($newList as $value) {
            if ($parentId == $value['parent_id']) {
                $tree[] = &$newList[$value['id']];
            } elseif (isset($newList[$value['parent_id']])) {
                $newList[$value['parent_id']]['children'][] = &$newList[$value['id']];
            }
        }

        return $tree;
    }
}

if (!function_exists('text_diff')) {
    function text_diff(string $text1, string $text2): string
    {
        $text1 = str_replace('&nbsp;', '', trim($text1));
        $text2 = str_replace('&nbsp;', '', trim($text2));
        $w  = explode("\n", $text1);
        $o  = explode("\n", $text2);
        $w1 = array_diff_assoc($w,$o);
        $o1 = array_diff_assoc($o,$w);
        $w2 = array();
        $o2 = array();
        foreach($w1 as $idx => $val) $w2[sprintf("%03d<",$idx)] = sprintf("%03d- ", $idx+1) . "<del>" . trim($val) . "</del>";
        foreach($o1 as $idx => $val) $o2[sprintf("%03d>",$idx)] = sprintf("%03d+ ", $idx+1) . "<ins>" . trim($val) . "</ins>";
        $diff = array_merge($w2, $o2);
        ksort($diff);
        return implode("\n", $diff);
    }
}