wp_insert_post( array $postarr, bool $wp_error = false )
Insert or update a post.
Description
If the $postarr parameter has ‘ID’ set to a value, then post will be updated.
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.
See also
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.
- 'ID'
- $wp_error
-
(bool) (Optional) Whether to return a WP_Error on failure.
Default value: false
Return
(int|WP_Error) The post ID on success. The value 0 or WP_Error on failure.
Source
File: wp-includes/post.php
function wp_insert_post( $postarr, $wp_error = false ) {
global $wpdb;
// Capture original pre-sanitized array for passing into filters.
$unsanitized_postarr = $postarr;
$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 WP-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;
}
$new_postarr = array_merge(
array(
'ID' => $post_ID,
),
compact( array_diff( array_keys( $defaults ), array( 'context', 'filter' ) ) )
);
/**
* Filters the post parent -- used to check for and prevent hierarchy loops.
*
* @since WP-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, $new_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' === $post_type ) {
/**
* Filters attachment post data before it is updated in or added to the database.
*
* @since WP-3.9.0
* @since WP-4.9.14 `$unsanitized_postarr` argument added.
*
* @param array $data An array of slashed, sanitized, and processed attachment post data.
* @param array $postarr An array of slashed and sanitized attachment post data, but not processed.
* @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed attachment post data
* as originally passed to wp_insert_post().
*/
$data = apply_filters( 'wp_insert_attachment_data', $data, $postarr, $unsanitized_postarr );
} else {
/**
* Filters slashed post data just before it is inserted into the database.
*
* @since WP-2.7.0
* @since WP-4.9.14 `$unsanitized_postarr` argument added.
*
* @param array $data An array of slashed, sanitized, and processed post data.
* @param array $postarr An array of sanitized (and slashed) but otherwise unmodified post data.
* @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed post data as
* originally passed to wp_insert_post().
*/
$data = apply_filters( 'wp_insert_post_data', $data, $postarr, $unsanitized_postarr );
}
$data = wp_unslash( $data );
$where = array( 'ID' => $post_ID );
if ( $update ) {
/**
* Fires immediately before an existing post is updated in the database.
*
* @since WP-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 ), 'WP-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 WP-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 WP-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 WP-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 WP-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 WP-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 WP-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 WP-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 WP-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;
}
Changelog
Version | Description |
---|---|
WP-4.4.0 | A 'meta_input' array can now be passed to $postarr to add post meta data. |
WP-4.2.0 | Support was added for encoding emoji in the post title, content, and excerpt. |
WP-1.0.0 | Introduced. |