gistfile1.txt

<?php

function __update_post_meta( $post_id, $field_name, $value = '' ) {
	if ( empty( $value ) OR ! $value ) {
		delete_post_meta( $post_id, $field_name );
	} elseif ( ! get_post_meta( $post_id, $field_name ) ) {
		add_post_meta( $post_id, $field_name, $value );
	} else {
		update_post_meta( $post_id, $field_name, $value );
	}
}

 $post = array(
  'post_content' => $_POST['content'], //The full text of the post.
  'post_title' => $_POST['title'], //The title of your post.
  'post_author' => 1, //for live change to: 604631
  'post_status' => 'draft',
  'post_type' => 'post'
); 
 
 $postId = wp_insert_post( $post );
 
 wp_upload_bits($_POST["image"]["name"], null, file_get_contents($_POST["image"]["tmp_name"]));
 
 __update_post_meta( $postId, 'author',  $_POST['author'] );
 __update_post_meta( $postId, 'author_email',  $_POST['author_email'] ); 
 __update_post_meta( $postId, 'author_bio',  $_POST['author_bio'] );
 __update_post_meta( $postId, 'link', $_POST['link'] );
 
?>