WordPress | wp_insert_post Function

wp_insert_post function will insert a post in your database with the minimum required piece of information.

You can set the post date manually, by setting the values for ‘post_date’ and ‘post_date_gmt’ keys. You can close the comments or open the comments by setting the value for ‘comment_status’ key.

Below is the syntax of wp_insert_post() Function, how to use in your WordPress plugin or theme file.

Syntax:

wp_insert_post( array $postarr, bool $wp_error = false )

1	wp_insert_post( array $postarr, bool $wp_error = false )

Used Parameters:

$postarr : (array) (Required) An array of elements that make up a post to update or insert.
'ID' : (int) The post ID. If equal to something other than 0, the post with that ID will be updated. Default 0.
'post_author' : (int) The ID of the user who added the post. Default is the current user ID.
'post_date' : (string) The date of the post. Default is the current time.
'post_date_gmt' : (string) The date of the post in the GMT timezone. Default is the value of $post_date.
'post_content' : (mixed) The post content. Default empty.
'post_content_filtered' : (string) The filtered post content. Default empty.
'post_title' : (string) The post title. Default empty.
'post_excerpt' : (string) The post excerpt. Default empty.
'post_status' :(string) The post status. Default ‘draft’.
'post_type' :(string) The post type. Default ‘post’.
'comment_status' :(string) Whether the post can accept comments. Accepts ‘open’ or ‘closed’. Default is the value of ‘default_comment_status’ option.
'ping_status' :(string) Whether the post can accept pings. Accepts ‘open’ or ‘closed’. Default is the value of ‘default_ping_status’ option.
'post_password' :(string) The password to access the post. Default empty.
'post_name' :(string) The post name. Default is the sanitized post title when creating a new post.
'to_ping' :(string) Space or carriage return-separated list of URLs to ping. Default empty.
'pinged': (string) Space or carriage return-separated list of URLs that have been pinged. Default empty.
'post_modified': (string) The date when the post was last modified. Default is the current time.
'post_modified_gmt': (string) The date when the post was last modified in the GMT timezone. Default is the current time.
'post_parent': (int) Set this for the post it belongs to, if any. Default 0.
'menu_order': (int) The order the post should be displayed in. Default 0.
'post_mime_type': (string) The mime type of the post. Default empty.
'guid':(string) Global Unique ID for referencing the post. Default empty.
'post_category':(array) Array of category names, slugs, or IDs. Defaults to value of the ‘default_category’ option.
'tags_input':(array) Array of tag names, slugs, or IDs. Default empty.
'tax_input':(array) Array of taxonomy terms keyed by their taxonomy name. Default empty.
'meta_input':(array) Array of post meta values keyed by their post meta key. Default empty.
$wp_error: (bool) (Optional) Whether to return a WP_Error on failure.

This function is available inside the File: wp-includes/post.php. You can find the function described below:

function wp_insert_post( $postarr, $wp_error = false ) {
    global $wpdb;
 
    $user_id = get_current_user_id();
 
    $defaults = array(
        'post_author' => $user_id,
        'post_content' => '',
        'post_content_filtered' => '',
        'post_title' => '',
        'post_excerpt' => '',
        'post_status' => 'draft',
        'post_type' => 'post',
        'comment_status' => '',
        'ping_status' => '',
        'post_password' => '',
        'to_ping' =>  '',
        'pinged' => '',
        'post_parent' => 0,
        'menu_order' => 0,
        'guid' => '',
        'import_id' => 0,
        'context' => '',
    );
 
    $postarr = wp_parse_args($postarr, $defaults);
 
    unset( $postarr[ 'filter' ] );
 
    $postarr = sanitize_post($postarr, 'db');
 
    // Are we updating or creating?
    $post_ID = 0;
    $update = false;
    $guid = $postarr['guid'];
 
    if ( ! empty( $postarr['ID'] ) ) {
        $update = true;
 
        // Get the post ID and GUID.
        $post_ID = $postarr['ID'];
        $post_before = get_post( $post_ID );
        if ( is_null( $post_before ) ) {
            if ( $wp_error ) {
                return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
            }
            return 0;
        }
 
        $guid = get_post_field( 'guid', $post_ID );
        $previous_status = get_post_field('post_status', $post_ID );
    } else {
        $previous_status = 'new';
    }
 
    $post_type = empty( $postarr['post_type'] ) ? 'post' : $postarr['post_type'];
 
    $post_title = $postarr['post_title'];
    $post_content = $postarr['post_content'];
    $post_excerpt = $postarr['post_excerpt'];
    if ( isset( $postarr['post_name'] ) ) {
        $post_name = $postarr['post_name'];
    } elseif ( $update ) {
        // For an update, don't modify the post_name if it wasn't supplied as an argument.
        $post_name = $post_before->post_name;
    }
 
    $maybe_empty = 'attachment' !== $post_type
        && ! $post_content && ! $post_title && ! $post_excerpt
        && post_type_supports( $post_type, 'editor' )
        && post_type_supports( $post_type, 'title' )
        && post_type_supports( $post_type, 'excerpt' );
 
    /**
     * Filters whether the post should be considered "empty".
     *
     * The post is considered "empty" if both:
     * 1. The post type supports the title, editor, and excerpt fields
     * 2. The title, editor, and excerpt fields are all empty
     *
     * Returning a truthy value to the filter will effectively short-circuit
     * the new post being inserted, returning 0. If $wp_error is true, a WP_Error
     * will be returned instead.
     *
     * @since 3.3.0
     *
     * @param bool  $maybe_empty Whether the post should be considered "empty".
     * @param array $postarr     Array of post data.
     */
    if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) {
        if ( $wp_error ) {
            return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) );
        } else {
            return 0;
        }
    }
 
    $post_status = empty( $postarr['post_status'] ) ? 'draft' : $postarr['post_status'];
    if ( 'attachment' === $post_type && ! in_array( $post_status, array( 'inherit', 'private', 'trash', 'auto-draft' ), true ) ) {
        $post_status = 'inherit';
    }
 
    if ( ! empty( $postarr['post_category'] ) ) {
        // Filter out empty terms.
        $post_category = array_filter( $postarr['post_category'] );
    }
 
    // Make sure we set a valid category.
    if ( empty( $post_category ) || 0 == count( $post_category ) || ! is_array( $post_category ) ) {
        // 'post' requires at least one category.
        if ( 'post' == $post_type && 'auto-draft' != $post_status ) {
            $post_category = array( get_option('default_category') );
        } else {
            $post_category = array();
        }
    }
 
    // Don't allow contributors to set the post slug for pending review posts.
    if ( 'pending' == $post_status && !current_user_can( 'publish_posts' ) ) {
        $post_name = '';
    }
 
    /*
     * Create a valid post name. Drafts and pending posts are allowed to have
     * an empty post name.
     */
    if ( empty($post_name) ) {
        if ( !in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) {
            $post_name = sanitize_title($post_title);
        } else {
            $post_name = '';
        }
    } else {
        // On updates, we need to check to see if it's using the old, fixed sanitization context.
        $check_name = sanitize_title( $post_name, '', 'old-save' );
        if ( $update && strtolower( urlencode( $post_name ) ) == $check_name && get_post_field( 'post_name', $post_ID ) == $check_name ) {
            $post_name = $check_name;
        } else { // new post, or slug has changed.
            $post_name = sanitize_title($post_name);
        }
    }
 
    /*
     * If the post date is empty (due to having been new or a draft) and status
     * is not 'draft' or 'pending', set date to now.
     */
    if ( empty( $postarr['post_date'] ) || '0000-00-00 00:00:00' == $postarr['post_date'] ) {
        if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' == $postarr['post_date_gmt'] ) {
            $post_date = current_time( 'mysql' );
        } else {
            $post_date = get_date_from_gmt( $postarr['post_date_gmt'] );
        }
    } else {
        $post_date = $postarr['post_date'];
    }
 
    // Validate the date.
    $mm = substr( $post_date, 5, 2 );
    $jj = substr( $post_date, 8, 2 );
    $aa = substr( $post_date, 0, 4 );
    $valid_date = wp_checkdate( $mm, $jj, $aa, $post_date );
    if ( ! $valid_date ) {
        if ( $wp_error ) {
            return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );
        } else {
            return 0;
        }
    }
 
    if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' == $postarr['post_date_gmt'] ) {
        if ( ! in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) {
            $post_date_gmt = get_gmt_from_date( $post_date );
        } else {
            $post_date_gmt = '0000-00-00 00:00:00';
        }
    } else {
        $post_date_gmt = $postarr['post_date_gmt'];
    }
 
    if ( $update || '0000-00-00 00:00:00' == $post_date ) {
        $post_modified     = current_time( 'mysql' );
        $post_modified_gmt = current_time( 'mysql', 1 );
    } else {
        $post_modified     = $post_date;
        $post_modified_gmt = $post_date_gmt;
    }
 
    if ( 'attachment' !== $post_type ) {
        if ( 'publish' == $post_status ) {
            $now = gmdate('Y-m-d H:i:59');
            if ( mysql2date('U', $post_date_gmt, false) > mysql2date('U', $now, false) ) {
                $post_status = 'future';
            }
        } elseif ( 'future' == $post_status ) {
            $now = gmdate('Y-m-d H:i:59');
            if ( mysql2date('U', $post_date_gmt, false) <= mysql2date('U', $now, false) ) {
                $post_status = 'publish';
            }
        }
    }
 
    // Comment status.
    if ( empty( $postarr['comment_status'] ) ) {
        if ( $update ) {
            $comment_status = 'closed';
        } else {
            $comment_status = get_default_comment_status( $post_type );
        }
    } else {
        $comment_status = $postarr['comment_status'];
    }
 
    // These variables are needed by compact() later.
    $post_content_filtered = $postarr['post_content_filtered'];
    $post_author = isset( $postarr['post_author'] ) ? $postarr['post_author'] : $user_id;
    $ping_status = empty( $postarr['ping_status'] ) ? get_default_comment_status( $post_type, 'pingback' ) : $postarr['ping_status'];
    $to_ping = isset( $postarr['to_ping'] ) ? sanitize_trackback_urls( $postarr['to_ping'] ) : '';
    $pinged = isset( $postarr['pinged'] ) ? $postarr['pinged'] : '';
    $import_id = isset( $postarr['import_id'] ) ? $postarr['import_id'] : 0;
 
    /*
     * The 'wp_insert_post_parent' filter expects all variables to be present.
     * Previously, these variables would have already been extracted
     */
    if ( isset( $postarr['menu_order'] ) ) {
        $menu_order = (int) $postarr['menu_order'];
    } else {
        $menu_order = 0;
    }
 
    $post_password = isset( $postarr['post_password'] ) ? $postarr['post_password'] : '';
    if ( 'private' == $post_status ) {
        $post_password = '';
    }
 
    if ( isset( $postarr['post_parent'] ) ) {
        $post_parent = (int) $postarr['post_parent'];
    } else {
        $post_parent = 0;
    }
 
    /**
     * Filters the post parent -- used to check for and prevent hierarchy loops.
     *
     * @since 3.1.0
     *
     * @param int   $post_parent Post parent ID.
     * @param int   $post_ID     Post ID.
     * @param array $new_postarr Array of parsed post data.
     * @param array $postarr     Array of sanitized, but otherwise unmodified post data.
     */
    $post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, compact( array_keys( $postarr ) ), $postarr );
 
    /*
     * If the post is being untrashed and it has a desired slug stored in post meta,
     * reassign it.
     */
    if ( 'trash' === $previous_status && 'trash' !== $post_status ) {
        $desired_post_slug = get_post_meta( $post_ID, '_wp_desired_post_slug', true );
        if ( $desired_post_slug ) {
            delete_post_meta( $post_ID, '_wp_desired_post_slug' );
            $post_name = $desired_post_slug;
        }
    }
 
    // If a trashed post has the desired slug, change it and let this post have it.
    if ( 'trash' !== $post_status && $post_name ) {
        wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID );
    }
 
    // When trashing an existing post, change its slug to allow non-trashed posts to use it.
    if ( 'trash' === $post_status && 'trash' !== $previous_status && 'new' !== $previous_status ) {
        $post_name = wp_add_trashed_suffix_to_post_name_for_post( $post_ID );
    }
 
    $post_name = wp_unique_post_slug( $post_name, $post_ID, $post_status, $post_type, $post_parent );
 
    // Don't unslash.
    $post_mime_type = isset( $postarr['post_mime_type'] ) ? $postarr['post_mime_type'] : '';
 
    // Expected_slashed (everything!).
    $data = compact( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'post_mime_type', 'guid' );
 
    $emoji_fields = array( 'post_title', 'post_content', 'post_excerpt' );
 
    foreach ( $emoji_fields as $emoji_field ) {
        if ( isset( $data[ $emoji_field ] ) ) {
            $charset = $wpdb->get_col_charset( $wpdb->posts, $emoji_field );
            if ( 'utf8' === $charset ) {
                $data[ $emoji_field ] = wp_encode_emoji( $data[ $emoji_field ] );
            }
        }
    }
 
    if ( 'attachment' === $post_type ) {
        /**
         * Filters attachment post data before it is updated in or added to the database.
         *
         * @since 3.9.0
         *
         * @param array $data    An array of sanitized attachment post data.
         * @param array $postarr An array of unsanitized attachment post data.
         */
        $data = apply_filters( 'wp_insert_attachment_data', $data, $postarr );
    } else {
        /**
         * Filters slashed post data just before it is inserted into the database.
         *
         * @since 2.7.0
         *
         * @param array $data    An array of slashed post data.
         * @param array $postarr An array of sanitized, but otherwise unmodified post data.
         */
        $data = apply_filters( 'wp_insert_post_data', $data, $postarr );
    }
    $data = wp_unslash( $data );
    $where = array( 'ID' => $post_ID );
 
    if ( $update ) {
        /**
         * Fires immediately before an existing post is updated in the database.
         *
         * @since 2.5.0
         *
         * @param int   $post_ID Post ID.
         * @param array $data    Array of unslashed post data.
         */
        do_action( 'pre_post_update', $post_ID, $data );
        if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) {
            if ( $wp_error ) {
                return new WP_Error('db_update_error', __('Could not update post in the database'), $wpdb->last_error);
            } else {
                return 0;
            }
        }
    } else {
        // If there is a suggested ID, use it if not already present.
        if ( ! empty( $import_id ) ) {
            $import_id = (int) $import_id;
            if ( ! $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id) ) ) {
                $data['ID'] = $import_id;
            }
        }
        if ( false === $wpdb->insert( $wpdb->posts, $data ) ) {
            if ( $wp_error ) {
                return new WP_Error('db_insert_error', __('Could not insert post into the database'), $wpdb->last_error);
            } else {
                return 0;
            }
        }
        $post_ID = (int) $wpdb->insert_id;
 
        // Use the newly generated $post_ID.
        $where = array( 'ID' => $post_ID );
    }
 
    if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ) ) ) {
        $data['post_name'] = wp_unique_post_slug( sanitize_title( $data['post_title'], $post_ID ), $post_ID, $data['post_status'], $post_type, $post_parent );
        $wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where );
        clean_post_cache( $post_ID );
    }
 
    if ( is_object_in_taxonomy( $post_type, 'category' ) ) {
        wp_set_post_categories( $post_ID, $post_category );
    }
 
    if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $post_type, 'post_tag' ) ) {
        wp_set_post_tags( $post_ID, $postarr['tags_input'] );
    }
 
    // New-style support for all custom taxonomies.
    if ( ! empty( $postarr['tax_input'] ) ) {
        foreach ( $postarr['tax_input'] as $taxonomy => $tags ) {
            $taxonomy_obj = get_taxonomy($taxonomy);
            if ( ! $taxonomy_obj ) {
                /* translators: %s: taxonomy name */
                _doing_it_wrong( __FUNCTION__, sprintf( __( 'Invalid taxonomy: %s.' ), $taxonomy ), '4.4.0' );
                continue;
            }
 
            // array = hierarchical, string = non-hierarchical.
            if ( is_array( $tags ) ) {
                $tags = array_filter($tags);
            }
            if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) {
                wp_set_post_terms( $post_ID, $tags, $taxonomy );
            }
        }
    }
 
    if ( ! empty( $postarr['meta_input'] ) ) {
        foreach ( $postarr['meta_input'] as $field => $value ) {
            update_post_meta( $post_ID, $field, $value );
        }
    }
 
    $current_guid = get_post_field( 'guid', $post_ID );
 
    // Set GUID.
    if ( ! $update && '' == $current_guid ) {
        $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_ID ) ), $where );
    }
 
    if ( 'attachment' === $postarr['post_type'] ) {
        if ( ! empty( $postarr['file'] ) ) {
            update_attached_file( $post_ID, $postarr['file'] );
        }
 
        if ( ! empty( $postarr['context'] ) ) {
            add_post_meta( $post_ID, '_wp_attachment_context', $postarr['context'], true );
        }
    }
 
    // Set or remove featured image.
    if ( isset( $postarr['_thumbnail_id'] ) ) {
        $thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' ) || 'revision' === $post_type;
        if ( ! $thumbnail_support && 'attachment' === $post_type && $post_mime_type ) {
            if ( wp_attachment_is( 'audio', $post_ID ) ) {
                $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
            } elseif ( wp_attachment_is( 'video', $post_ID ) ) {
                $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
            }
        }
 
        if ( $thumbnail_support ) {
            $thumbnail_id = intval( $postarr['_thumbnail_id'] );
            if ( -1 === $thumbnail_id ) {
                delete_post_thumbnail( $post_ID );
            } else {
                set_post_thumbnail( $post_ID, $thumbnail_id );
            }
        }
    }
 
    clean_post_cache( $post_ID );
 
    $post = get_post( $post_ID );
 
    if ( ! empty( $postarr['page_template'] ) ) {
        $post->page_template = $postarr['page_template'];
        $page_templates = wp_get_theme()->get_page_templates( $post );
        if ( 'default' != $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) {
            if ( $wp_error ) {
                return new WP_Error( 'invalid_page_template', __( 'Invalid page template.' ) );
            }
            update_post_meta( $post_ID, '_wp_page_template', 'default' );
        } else {
            update_post_meta( $post_ID, '_wp_page_template', $postarr['page_template'] );
        }
    }
 
    if ( 'attachment' !== $postarr['post_type'] ) {
        wp_transition_post_status( $data['post_status'], $previous_status, $post );
    } else {
        if ( $update ) {
            /**
             * Fires once an existing attachment has been updated.
             *
             * @since 2.0.0
             *
             * @param int $post_ID Attachment ID.
             */
            do_action( 'edit_attachment', $post_ID );
            $post_after = get_post( $post_ID );
 
            /**
             * Fires once an existing attachment has been updated.
             *
             * @since 4.4.0
             *
             * @param int     $post_ID      Post ID.
             * @param WP_Post $post_after   Post object following the update.
             * @param WP_Post $post_before  Post object before the update.
             */
            do_action( 'attachment_updated', $post_ID, $post_after, $post_before );
        } else {
 
            /**
             * Fires once an attachment has been added.
             *
             * @since 2.0.0
             *
             * @param int $post_ID Attachment ID.
             */
            do_action( 'add_attachment', $post_ID );
        }
 
        return $post_ID;
    }
 
    if ( $update ) {
        /**
         * Fires once an existing post has been updated.
         *
         * @since 1.2.0
         *
         * @param int     $post_ID Post ID.
         * @param WP_Post $post    Post object.
         */
        do_action( 'edit_post', $post_ID, $post );
        $post_after = get_post($post_ID);
 
        /**
         * Fires once an existing post has been updated.
         *
         * @since 3.0.0
         *
         * @param int     $post_ID      Post ID.
         * @param WP_Post $post_after   Post object following the update.
         * @param WP_Post $post_before  Post object before the update.
         */
        do_action( 'post_updated', $post_ID, $post_after, $post_before);
    }
 
    /**
     * Fires once a post has been saved.
     *
     * The dynamic portion of the hook name, `$post->post_type`, refers to
     * the post type slug.
     *
     * @since 3.7.0
     *
     * @param int     $post_ID Post ID.
     * @param WP_Post $post    Post object.
     * @param bool    $update  Whether this is an existing post being updated or not.
     */
    do_action( "save_post_{$post->post_type}", $post_ID, $post, $update );
 
    /**
     * Fires once a post has been saved.
     *
     * @since 1.5.0
     *
     * @param int     $post_ID Post ID.
     * @param WP_Post $post    Post object.
     * @param bool    $update  Whether this is an existing post being updated or not.
     */
    do_action( 'save_post', $post_ID, $post, $update );
 
    /**
     * Fires once a post has been saved.
     *
     * @since 2.0.0
     *
     * @param int     $post_ID Post ID.
     * @param WP_Post $post    Post object.
     * @param bool    $update  Whether this is an existing post being updated or not.
     */
    do_action( 'wp_insert_post', $post_ID, $post, $update );
 
    return $post_ID;
}

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function wp_insert_post( $postarr, $wp_error = false ) {

global $wpdb;

$user_id = get_current_user_id();

$defaults = array(

'post_author' => $user_id,

'post_content' => '',

'post_content_filtered' => '',

'post_title' => '',

'post_excerpt' => '',

'post_status' => 'draft',

'post_type' => 'post',

'comment_status' => '',

'ping_status' => '',

'post_password' => '',

'to_ping' => '',

'pinged' => '',

'post_parent' => 0,

'menu_order' => 0,

'guid' => '',

'import_id' => 0,

'context' => '',

);

$postarr = wp_parse_args($postarr, $defaults);

unset( $postarr[ 'filter' ] );

$postarr = sanitize_post($postarr, 'db');

// Are we updating or creating?

$post_ID = 0;

$update = false;

$guid = $postarr['guid'];

if ( ! empty( $postarr['ID'] ) ) {

$update = true;

// Get the post ID and GUID.

$post_ID = $postarr['ID'];

$post_before = get_post( $post_ID );

if ( is_null( $post_before ) ) {

if ( $wp_error ) {

return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );

}

return 0;

}

$guid = get_post_field( 'guid', $post_ID );

$previous_status = get_post_field('post_status', $post_ID );

} else {

$previous_status = 'new';

}

$post_type = empty( $postarr['post_type'] ) ? 'post' : $postarr['post_type'];

$post_title = $postarr['post_title'];

$post_content = $postarr['post_content'];

$post_excerpt = $postarr['post_excerpt'];

if ( isset( $postarr['post_name'] ) ) {

$post_name = $postarr['post_name'];

} elseif ( $update ) {

// For an update, don't modify the post_name if it wasn't supplied as an argument.

$post_name = $post_before->post_name;

}

$maybe_empty = 'attachment' !== $post_type

&& ! $post_content && ! $post_title && ! $post_excerpt

&& post_type_supports( $post_type, 'editor' )

&& post_type_supports( $post_type, 'title' )

&& post_type_supports( $post_type, 'excerpt' );

/**

* Filters whether the post should be considered "empty".

* The post is considered "empty" if both:

* 1. The post type supports the title, editor, and excerpt fields

* 2. The title, editor, and excerpt fields are all empty

* Returning a truthy value to the filter will effectively short-circuit

* the new post being inserted, returning 0. If $wp_error is true, a WP_Error

* will be returned instead.

* @since 3.3.0

* @param bool $maybe_empty Whether the post should be considered "empty".

* @param array $postarr Array of post data.

if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) {

if ( $wp_error ) {

return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) );

} else {

return 0;

}

$post_status = empty( $postarr['post_status'] ) ? 'draft' : $postarr['post_status'];

if ( 'attachment' === $post_type && ! in_array( $post_status, array( 'inherit', 'private', 'trash', 'auto-draft' ), true ) ) {

$post_status = 'inherit';

}

if ( ! empty( $postarr['post_category'] ) ) {

// Filter out empty terms.

$post_category = array_filter( $postarr['post_category'] );

}

// Make sure we set a valid category.

if ( empty( $post_category ) || 0 == count( $post_category ) || ! is_array( $post_category ) ) {

// 'post' requires at least one category.

if ( 'post' == $post_type && 'auto-draft' != $post_status ) {

$post_category = array( get_option('default_category') );

} else {

$post_category = array();

}

// Don't allow contributors to set the post slug for pending review posts.

if ( 'pending' == $post_status && !current_user_can( 'publish_posts' ) ) {

$post_name = '';

}

* Create a valid post name. Drafts and pending posts are allowed to have

* an empty post name.

if ( empty($post_name) ) {

if ( !in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) {

$post_name = sanitize_title($post_title);

} else {

$post_name = '';

}

} else {

// On updates, we need to check to see if it's using the old, fixed sanitization context.

$check_name = sanitize_title( $post_name, '', 'old-save' );

if ( $update && strtolower( urlencode( $post_name ) ) == $check_name && get_post_field( 'post_name', $post_ID ) == $check_name ) {

$post_name = $check_name;

} else { // new post, or slug has changed.

$post_name = sanitize_title($post_name);

}

* If the post date is empty (due to having been new or a draft) and status

* is not 'draft' or 'pending', set date to now.

if ( empty( $postarr['post_date'] ) || '0000-00-00 00:00:00' == $postarr['post_date'] ) {

if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' == $postarr['post_date_gmt'] ) {

$post_date = current_time( 'mysql' );

} else {

$post_date = get_date_from_gmt( $postarr['post_date_gmt'] );

}

} else {

$post_date = $postarr['post_date'];

}

// Validate the date.

$mm = substr( $post_date, 5, 2 );

$jj = substr( $post_date, 8, 2 );

$aa = substr( $post_date, 0, 4 );

$valid_date = wp_checkdate( $mm, $jj, $aa, $post_date );

if ( ! $valid_date ) {

if ( $wp_error ) {

return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );

} else {

return 0;

}

if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' == $postarr['post_date_gmt'] ) {

if ( ! in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) {

$post_date_gmt = get_gmt_from_date( $post_date );

} else {

$post_date_gmt = '0000-00-00 00:00:00';

}

} else {

$post_date_gmt = $postarr['post_date_gmt'];

}

if ( $update || '0000-00-00 00:00:00' == $post_date ) {

$post_modified = current_time( 'mysql' );

$post_modified_gmt = current_time( 'mysql', 1 );

} else {

$post_modified = $post_date;

$post_modified_gmt = $post_date_gmt;

}

if ( 'attachment' !== $post_type ) {

if ( 'publish' == $post_status ) {

$now = gmdate('Y-m-d H:i:59');

if ( mysql2date('U', $post_date_gmt, false) > mysql2date('U', $now, false) ) {

$post_status = 'future';

}

} elseif ( 'future' == $post_status ) {

$now = gmdate('Y-m-d H:i:59');

if ( mysql2date('U', $post_date_gmt, false) <= mysql2date('U', $now, false) ) {

$post_status = 'publish';

}

// Comment status.

if ( empty( $postarr['comment_status'] ) ) {

if ( $update ) {

$comment_status = 'closed';

} else {

$comment_status = get_default_comment_status( $post_type );

}

} else {

$comment_status = $postarr['comment_status'];

}

// These variables are needed by compact() later.

$post_content_filtered = $postarr['post_content_filtered'];

$post_author = isset( $postarr['post_author'] ) ? $postarr['post_author'] : $user_id;

$ping_status = empty( $postarr['ping_status'] ) ? get_default_comment_status( $post_type, 'pingback' ) : $postarr['ping_status'];

$to_ping = isset( $postarr['to_ping'] ) ? sanitize_trackback_urls( $postarr['to_ping'] ) : '';

$pinged = isset( $postarr['pinged'] ) ? $postarr['pinged'] : '';

$import_id = isset( $postarr['import_id'] ) ? $postarr['import_id'] : 0;

* The 'wp_insert_post_parent' filter expects all variables to be present.

* Previously, these variables would have already been extracted

if ( isset( $postarr['menu_order'] ) ) {

$menu_order = (int) $postarr['menu_order'];

} else {

$menu_order = 0;

}

$post_password = isset( $postarr['post_password'] ) ? $postarr['post_password'] : '';

if ( 'private' == $post_status ) {

$post_password = '';

}

if ( isset( $postarr['post_parent'] ) ) {

$post_parent = (int) $postarr['post_parent'];

} else {

$post_parent = 0;

}

/**

* Filters the post parent -- used to check for and prevent hierarchy loops.

* @since 3.1.0

* @param int $post_parent Post parent ID.

* @param int $post_ID Post ID.

* @param array $new_postarr Array of parsed post data.

* @param array $postarr Array of sanitized, but otherwise unmodified post data.

$post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, compact( array_keys( $postarr ) ), $postarr );

* If the post is being untrashed and it has a desired slug stored in post meta,

* reassign it.

if ( 'trash' === $previous_status && 'trash' !== $post_status ) {

$desired_post_slug = get_post_meta( $post_ID, '_wp_desired_post_slug', true );

if ( $desired_post_slug ) {

delete_post_meta( $post_ID, '_wp_desired_post_slug' );

$post_name = $desired_post_slug;

}

// If a trashed post has the desired slug, change it and let this post have it.

if ( 'trash' !== $post_status && $post_name ) {

wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_ID );

}

// When trashing an existing post, change its slug to allow non-trashed posts to use it.

if ( 'trash' === $post_status && 'trash' !== $previous_status && 'new' !== $previous_status ) {

$post_name = wp_add_trashed_suffix_to_post_name_for_post( $post_ID );

}

$post_name = wp_unique_post_slug( $post_name, $post_ID, $post_status, $post_type, $post_parent );

// Don't unslash.

$post_mime_type = isset( $postarr['post_mime_type'] ) ? $postarr['post_mime_type'] : '';

// Expected_slashed (everything!).

$data = compact( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'post_mime_type', 'guid' );

$emoji_fields = array( 'post_title', 'post_content', 'post_excerpt' );

foreach ( $emoji_fields as $emoji_field ) {

if ( isset( $data[ $emoji_field ] ) ) {

$charset = $wpdb->get_col_charset( $wpdb->posts, $emoji_field );

if ( 'utf8' === $charset ) {

$data[ $emoji_field ] = wp_encode_emoji( $data[ $emoji_field ] );

}

if ( 'attachment' === $post_type ) {

/**

* Filters attachment post data before it is updated in or added to the database.

* @since 3.9.0

* @param array $data An array of sanitized attachment post data.

* @param array $postarr An array of unsanitized attachment post data.

$data = apply_filters( 'wp_insert_attachment_data', $data, $postarr );

} else {

/**

* Filters slashed post data just before it is inserted into the database.

* @since 2.7.0

* @param array $data An array of slashed post data.

* @param array $postarr An array of sanitized, but otherwise unmodified post data.

$data = apply_filters( 'wp_insert_post_data', $data, $postarr );

}

$data = wp_unslash( $data );

$where = array( 'ID' => $post_ID );

if ( $update ) {

/**

* Fires immediately before an existing post is updated in the database.

* @since 2.5.0

* @param int $post_ID Post ID.

* @param array $data Array of unslashed post data.

do_action( 'pre_post_update', $post_ID, $data );

if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) {

if ( $wp_error ) {

return new WP_Error('db_update_error', __('Could not update post in the database'), $wpdb->last_error);

} else {

return 0;

}

} else {

// If there is a suggested ID, use it if not already present.

if ( ! empty( $import_id ) ) {

$import_id = (int) $import_id;

if ( ! $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id) ) ) {

$data['ID'] = $import_id;

}

if ( false === $wpdb->insert( $wpdb->posts, $data ) ) {

if ( $wp_error ) {

return new WP_Error('db_insert_error', __('Could not insert post into the database'), $wpdb->last_error);

} else {

return 0;

}

$post_ID = (int) $wpdb->insert_id;

// Use the newly generated $post_ID.

$where = array( 'ID' => $post_ID );

}

if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ) ) ) {

$data['post_name'] = wp_unique_post_slug( sanitize_title( $data['post_title'], $post_ID ), $post_ID, $data['post_status'], $post_type, $post_parent );

$wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where );

clean_post_cache( $post_ID );

}

if ( is_object_in_taxonomy( $post_type, 'category' ) ) {

wp_set_post_categories( $post_ID, $post_category );

}

if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $post_type, 'post_tag' ) ) {

wp_set_post_tags( $post_ID, $postarr['tags_input'] );

}

// New-style support for all custom taxonomies.

if ( ! empty( $postarr['tax_input'] ) ) {

foreach ( $postarr['tax_input'] as $taxonomy => $tags ) {

$taxonomy_obj = get_taxonomy($taxonomy);

if ( ! $taxonomy_obj ) {

/* translators: %s: taxonomy name */

_doing_it_wrong( __FUNCTION__, sprintf( __( 'Invalid taxonomy: %s.' ), $taxonomy ), '4.4.0' );

continue;

}

// array = hierarchical, string = non-hierarchical.

if ( is_array( $tags ) ) {

$tags = array_filter($tags);

}

if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) {

wp_set_post_terms( $post_ID, $tags, $taxonomy );

}

if ( ! empty( $postarr['meta_input'] ) ) {

foreach ( $postarr['meta_input'] as $field => $value ) {

update_post_meta( $post_ID, $field, $value );

}

$current_guid = get_post_field( 'guid', $post_ID );

// Set GUID.

if ( ! $update && '' == $current_guid ) {

$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_ID ) ), $where );

}

if ( 'attachment' === $postarr['post_type'] ) {

if ( ! empty( $postarr['file'] ) ) {

update_attached_file( $post_ID, $postarr['file'] );

}

if ( ! empty( $postarr['context'] ) ) {

add_post_meta( $post_ID, '_wp_attachment_context', $postarr['context'], true );

}

// Set or remove featured image.

if ( isset( $postarr['_thumbnail_id'] ) ) {

$thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' ) || 'revision' === $post_type;

if ( ! $thumbnail_support && 'attachment' === $post_type && $post_mime_type ) {

if ( wp_attachment_is( 'audio', $post_ID ) ) {

$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );

} elseif ( wp_attachment_is( 'video', $post_ID ) ) {

$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );

}

if ( $thumbnail_support ) {

$thumbnail_id = intval( $postarr['_thumbnail_id'] );

if ( -1 === $thumbnail_id ) {

delete_post_thumbnail( $post_ID );

} else {

set_post_thumbnail( $post_ID, $thumbnail_id );

}

clean_post_cache( $post_ID );

$post = get_post( $post_ID );

if ( ! empty( $postarr['page_template'] ) ) {

$post->page_template = $postarr['page_template'];

$page_templates = wp_get_theme()->get_page_templates( $post );

if ( 'default' != $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) {

if ( $wp_error ) {

return new WP_Error( 'invalid_page_template', __( 'Invalid page template.' ) );

}

update_post_meta( $post_ID, '_wp_page_template', 'default' );

} else {

update_post_meta( $post_ID, '_wp_page_template', $postarr['page_template'] );

}

if ( 'attachment' !== $postarr['post_type'] ) {

wp_transition_post_status( $data['post_status'], $previous_status, $post );

} else {

if ( $update ) {

/**

* Fires once an existing attachment has been updated.

* @since 2.0.0

* @param int $post_ID Attachment ID.

do_action( 'edit_attachment', $post_ID );

$post_after = get_post( $post_ID );

/**

* Fires once an existing attachment has been updated.

* @since 4.4.0

* @param int $post_ID Post ID.

* @param WP_Post $post_after Post object following the update.

* @param WP_Post $post_before Post object before the update.

do_action( 'attachment_updated', $post_ID, $post_after, $post_before );

} else {

/**

* Fires once an attachment has been added.

* @since 2.0.0

* @param int $post_ID Attachment ID.

do_action( 'add_attachment', $post_ID );

}

return $post_ID;

}

if ( $update ) {

/**

* Fires once an existing post has been updated.

* @since 1.2.0

* @param int $post_ID Post ID.

* @param WP_Post $post Post object.

do_action( 'edit_post', $post_ID, $post );

$post_after = get_post($post_ID);

/**

* Fires once an existing post has been updated.

* @since 3.0.0

* @param int $post_ID Post ID.

* @param WP_Post $post_after Post object following the update.

* @param WP_Post $post_before Post object before the update.

do_action( 'post_updated', $post_ID, $post_after, $post_before);

}

/**

* Fires once a post has been saved.

* The dynamic portion of the hook name, `$post->post_type`, refers to

* the post type slug.

* @since 3.7.0

* @param int $post_ID Post ID.

* @param WP_Post $post Post object.

* @param bool $update Whether this is an existing post being updated or not.

do_action( "save_post_{$post->post_type}", $post_ID, $post, $update );

/**

* Fires once a post has been saved.

* @since 1.5.0

* @param int $post_ID Post ID.

* @param WP_Post $post Post object.

* @param bool $update Whether this is an existing post being updated or not.

do_action( 'save_post', $post_ID, $post, $update );

/**

* Fires once a post has been saved.

* @since 2.0.0

* @param int $post_ID Post ID.

* @param WP_Post $post Post object.

* @param bool $update Whether this is an existing post being updated or not.

do_action( 'wp_insert_post', $post_ID, $post, $update );

return $post_ID;

}

Example 1:

function ajax_contact_form()
{
    $response = array();
    $navn = isset($_POST['navn']) ? wp_strip_all_tags($_POST['navn']) : false;
    $email = isset($_POST['email']) ? wp_strip_all_tags($_POST['email']) : false;
    $firma = isset($_POST['firma']) ? wp_strip_all_tags($_POST['firma']) : false;
    $telefon = isset($_POST['telefon']) ? wp_strip_all_tags($_POST['telefon']) : false;
    $about = isset($_POST['about']) ? wp_strip_all_tags($_POST['about']) : false;
    $kommentar = isset($_POST['kommentar']) ? esc_textarea($_POST['kommentar']) : false;
    if (!$navn) {
        $response['error'] = 'Indtast et navn';
    } else {
        if (!$email) {
            $response['error'] = 'Indtast en email';
        }
    }
    if (!isset($response['error'])) {
        $post_vars = array('post_title' => $navn . ' [' . $email . ']', 'post_status' => 'publish', 'post_type' => 'form');
        $response['post_id'] = wp_insert_post($post_vars, true);
        if (is_wp_error($response['post_id'])) {
            $response['error'] = $return->get_error_message();
        }
    }
    if (!isset($response['error'])) {
        update_post_meta($response['post_id'], 'form_navn', $navn);
        update_post_meta($response['post_id'], 'form_email', $email);
        update_post_meta($response['post_id'], 'form_firma', $firma);
        update_post_meta($response['post_id'], 'form_telefon', $telefon);
        update_post_meta($response['post_id'], 'form_about', $about);
        update_post_meta($response['post_id'], 'form_kommentar', $kommentar);
        $response['success'] = '<article><h2>Tak for din henvendelse</h2><p>Vi vil besvare den hurtigst muligt.</p><article>';
        sendEmail(get_theme_mod('info_name'), get_theme_mod('info_email'), get_theme_mod('info_email'), 'Ny henvendelse fra ' . $navn, $kommentar);
    }
    wp_die(json_encode($response));
}

function ajax_contact_form()

{

$response = array();

$navn = isset($_POST['navn']) ? wp_strip_all_tags($_POST['navn']) : false;

$email = isset($_POST['email']) ? wp_strip_all_tags($_POST['email']) : false;

$firma = isset($_POST['firma']) ? wp_strip_all_tags($_POST['firma']) : false;

$telefon = isset($_POST['telefon']) ? wp_strip_all_tags($_POST['telefon']) : false;

$about = isset($_POST['about']) ? wp_strip_all_tags($_POST['about']) : false;

$kommentar = isset($_POST['kommentar']) ? esc_textarea($_POST['kommentar']) : false;

if (!$navn) {

$response['error'] = 'Indtast et navn';

} else {

if (!$email) {

$response['error'] = 'Indtast en email';

}

if (!isset($response['error'])) {

$post_vars = array('post_title' => $navn . ' [' . $email . ']', 'post_status' => 'publish', 'post_type' => 'form');

$response['post_id'] = wp_insert_post($post_vars, true);

if (is_wp_error($response['post_id'])) {

$response['error'] = $return->get_error_message();

}

if (!isset($response['error'])) {

update_post_meta($response['post_id'], 'form_navn', $navn);

update_post_meta($response['post_id'], 'form_email', $email);

update_post_meta($response['post_id'], 'form_firma', $firma);

update_post_meta($response['post_id'], 'form_telefon', $telefon);

update_post_meta($response['post_id'], 'form_about', $about);

update_post_meta($response['post_id'], 'form_kommentar', $kommentar);

$response['success'] = '<article><h2>Tak for din henvendelse</h2><p>Vi vil besvare den hurtigst muligt.</p><article>';

sendEmail(get_theme_mod('info_name'), get_theme_mod('info_email'), get_theme_mod('info_email'), 'Ny henvendelse fra ' . $navn, $kommentar);

}

wp_die(json_encode($response));

}

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WordPress | wp_insert_post Function

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