Simple way for inserting a number of posts. Originally set up for 280+ records imported from a XML file.

post-creation.php

<?
/**
 *  WordPress Content Generation
 * 
 */


/**
 * Loads the WordPress Environment and Template
 */
require('./wp-blog-header.php');


/**
 * Loop over a $posts array to generate a number of posts
 */
function setup_posts() {

  $author_id = 1;

	$posts = array(
		array(
			"number" => 101,
			"title" => "Unity House",
			"text"   => "Feasibility study for mixed-use development",
		)
	);

	foreach ( $posts as $post ) {
		$post_id = -1;
		
		$slug = preg_replace( '/\s/', '-', strtolower($post['title']) );
		// Basic slugerisation, only works only whitespace.

		$post_id = wp_insert_post( array(
			'comment_status' => 'closed',
			'ping_status'	 => 'closed',
			'post_author'	 => $author_id,
			'post_name'		 => $slug,
			'post_title'	 => $post['title'],
			'post_status'	 => 'publish',
			'post_type'		 => 'project'
		) );

		if (!$post_id) {
			echo "Failed: {$post['title']}\n";
		} else {
			echo "Setup : {$post['title']} - {$post_id}\n";
		}
	}

}

setup_posts();