WordPress Create Categories and Posts

<?php

/* First Run Create the Pages */
if (is_admin()){
    if (!get_option('demo-data'))cms_create_default();
}

/* This function Reads the file */
function cms_create_default(){
    /* Insert the categories if exists */
    /* category name option parent category name */
    $fileName = TEMPLATEPATH.'/demo-data/categories.txt';
    if (file_exists($fileName)){
        //$readfile[0] would be the first line and the headers the array begins at 0
        $readFile = file($fileName);
        if ($readFile){
            for ($k=0; $k<=count($readFile)-1; $k++) {
                if ($k != 0){
                    $fields = split("\t",$readFile[$k]);
                    cms_insert_category($fields);
                }
            }
        }
    }
    /* insert the posts if file exists */
    /* title category status excert content tags */
    $fileName = TEMPLATEPATH.'/demo-data/posts.txt';
    if (file_exists($fileName)){
        //$readfile[0] would be the first line and the headers the array begins at 0
        $readFile = file($fileName);
        if ($readFile){
            for ($k=0; $k<=count($readFile)-1; $k++) {
                if ($k != 0){
                    $fields = split("\t",$readFile[$k]);
                    cms_insert_post($fields);
                }
            }
        }
    }
    update_option('demo-data',true);
}

/* Create the Categories for our Posts */
function cms_insert_category($catFields){
    $taxonomy = 'category';
    $catName = trim($catFields[0]);
    $catDescription = trim($catFields[1]);
    /* if we have a category name then insert the category */
    if(!is_term($catName, $taxonomy) && $catName){
        $niceName = str_replace(" ","-",$catName);
        $niceName = strtolower($niceName);
        $cat_defaults=array();
        $insertid = array();
        $cat_defaults = array(
            'name' => $catName,
            'description' => $catDescription);
        $temp = wp_insert_term($catName, $taxonomy, $cat_defaults);
    }
}

/* Insert the post */
function cms_insert_post($postFields){
    $posttype = trim($postFields[0]);
    $title = trim($postFields[1]);
    $category = trim($postFields[2]);
    $status = trim($postFields[3]);
    $excert = trim($postFields[4]);
    $content = trim($postFields[5]);
    $tags = trim($postFields[6]);
    $posttype = trim($postFields[7]);
    $catID=array();
    if ($category) $catID[] = cms_get_categoryID($category);
    if ($status){
        $status='publish';
    }else{
        $status='draft';
    }
    if (!$posttype=='page') $posttype = 'post';
    $cms_post = array();
    $cms_post['post_type'] = $posttype;
    $cms_post['post_title'] = $title;
    $cms_post['post_content'] = $content;
    $cms_post['post_excerpt'] = $excerpt;
    $cms_post['post_status'] = $status;
    $cms_post['post_author'] = 1;
    $cms_post['post_category'] = $catID;
    $post_ID = wp_insert_post($cms_post);
    /* insert any tags associated with the post */
    if ($tags && $post_ID) wp_set_post_terms( $post_ID, $tags);
}

function cms_get_categoryID($catName){
    global $wpdb;
    $category_slug = str_replace(" ","-",$catName);
    $category_slug = strtolower($category_slug);
    $thevalue = $wpdb->get_var( "SELECT term_id FROM $wpdb->terms WHERE slug = '" . $category_slug . "'" );
    if ($thevalue) {
        return $thevalue;
    }else{
        return "";
    }
}

?>