post type helper functions

cpt-helper.php

<?php
/**
 * Remove post meta values.
 *
 * @since 1.0.0
 *
 * @uses remove_post_meta()
 * @uses ic3_log_me()
 *
 * @param int|array|object $posts Accepts either the post ID, post object, or an array of either
 * @param string|array $meta The post meta to delete, either a single string or array of strings
 * @return void
 */
public function remove_meta( $posts, $metas ) {
	if( is_array( $metas ) ) {
		foreach( $metas as $meta ) {
			remove_post_meta( $posts, $meta );
		}
	} elseif( is_string( $metas ) ) {
		remove_post_meta( $posts, $metas );
	} else {
		ic3_log_me( 'Invalid meta type in remove_post_meta' );
	}
}

/**
 * Remove a post meta value
 *
 * @since 1.0.0
 *
 * @uses delete_post_meta()
 * @uses ic3_log_me()
 *
 * @param int|array|object $posts Accepts either the post ID, post object, or an array of either
 * @param string $meta The post meta to delete
 * @return void
 */
public function remove_post_meta( $posts, $meta ) {
	if( is_array( $posts ) ) {
		foreach( $posts as $post ) {
			$success = false;
			if( is_object( $post ) && isset( $post->ID ) ) {
				$success = delete_post_meta( $post->ID, $meta );
			} elseif( is_numeric( $post ) ) {
				$success = delete_post_meta( $post->ID, $meta );
			} else {
				ic3_log_me( '' );
			}
			if( !$success )
				ic3_log_me( "Unable to deleta meta: {$meta} from post {$post_id}" );
		}
	} elseif( is_numeric( $posts ) || ( is_object( $posts ) && isset( $posts->ID ) ) ) {
		if( is_numeric( $posts ) ) {
			$post_id = intval( $posts );
		} elseif( is_object( $posts ) ) {
			$post_id = $posts->ID;
		}
		$success = delete_post_meta( $post_id, $meta );
		if( !$success )
			ic3_log_me( "Unable to deleta meta: {$meta} from post {$post_id}" );
	}  else {
		ic3_log_me( 'Invalid post argument in remove_post_meta' );
	}
}


/**
 * Set the post to a draft, useful on save
 *
 * @since 1.0.0
 *
 * @uses ic3_log_me()
 * @uses get_post_status()
 * @uses wp_update_post()
 *
 * @param int $post_id The ID of the post to update
 * @return boolean True on success, false on failure.
 */
public function set_post_status( $post_id, $status = 'draft' ) {
	$stati = get_post_stati();
	if( is_numeric( $post_id ) && is_string( $status ) && in_array( $status, $stati ) ) {
		$post_id = intval( $post_id );
	} else {
		return false;
	}

	// if it's not already a draft, make it so!
	if( get_post_status( $post_id ) != $status ) {
		$args = array(
			'ID' => $post_id,
			'post_status' => $status
		);
		$id = wp_update_post( $args );
		if( $id != 0 ) {
			return true;
		} else {
			ic3_log_me( "Unable to update post {$post_id}" );
			return false;
		}
	} else {
		ic3_log_me( 'Post status already set' );
		return false;
	}
}

/**
 * Remove the post's parent
 *
 * @since 1.0.0
 *
 * @uses ic3_log_me()
 * @uses wp_update_post()
 *
 * @param int|object $post The post object or post ID
 * @return boolean True on success, false on failure.
 */
public function remove_post_parent( $post ) {
	if( is_numeric( $post ) ) {
		$post_id = intval( $post );
	} elseif( is_object( $post ) && isset( $post->ID ) && isset( $post->post_parent ) && is_numeric( $post->post_parent ) ) {
		$post_id = $post->ID;
		$current_parent = $post->post_parent;
	} else {
		return false;
	}

	$args = array(
		'ID' => $post_id,
		'post_parent' => ''
	);
	$id = wp_update_post( $args );
	if( $id != 0 ) {
		return true;
	} else {
		ic3_log_me( "Unable to update post parent for post {$post_id}" );
		return false;
	}
}