WP_Customize_Nav_Menus::ajax_insert_auto_draft_post()

Compatibility

Present in every tracked release (6.7.7 to 7.1.0), and compiles on PHP 7.4 through 8.6-dev.

Performance profile

How much work a call to WP_Customize_Nav_Menus::ajax_insert_auto_draft_post() does, and what it touches: the algorithmic scaling, the Zend instruction count per call across PHP versions, the hooks it hands control to, and the core code that calls it. Measured from the compiled opcodes, not a stopwatch, so every number is identical on any machine running the same PHP version, and every function in core is ranked by cost.

Cost class

Heavy

Reaches the database via get_post().

Scaling

Constant

No loop in the body: the same number of instructions runs whatever you pass in.

Instructions

95–139

Executed per call on PHP 8.5, depending on the branch taken. The body compiles to 156.

Plugin surface

None

Nothing here hands control to plugin code.

Called by

0

Nothing in core calls this; the cost is only what you spend yourself.

What it touches

• hookthird-party callbacksdo_action()one call below WP_Customize_Nav_Menus::ajax_insert_auto_draft_post()
• querycontent queryget_post()one call below WP_Customize_Nav_Menus::ajax_insert_auto_draft_post()
• optionoption read or writeget_option()one call below WP_Customize_Nav_Menus::ajax_insert_auto_draft_post()

Further down the call graph this can also reach cache, serialize and transient. Those are the worst case, several calls deep and usually down an error path, not what a normal call pays.

What one call costs · 540 distinct outcomes

One number would be a lie: the work depends on which branch runs. These are every distinct cost WP_Customize_Nav_Menus::ajax_insert_auto_draft_post() can have, taken from its control-flow graph on PHP 8.5.

Uses · 12

• check_ajax_referer()Verifies the Ajax request to prevent processing requests external of the blog.
• wp_send_json_error()Sends a JSON response back to an Ajax request, indicating failure.
• current_user_can()Returns whether the current user has the specified capability.
• wp_unslash()Removes slashes from a string or recursively removes slashes from strings within an array.
• post_type_exists()Determines whether a post type is registered.
• status_header()Sets HTTP status header.
• get_post_type_object()Retrieves a post type object by name.
• is_wp_error()Checks whether the given variable is a WordPress Error.
• __()Retrieves the translation of $text.
• get_permalink()Retrieves the full permalink for the current post or post ID.
• wp_send_json_success()Sends a JSON response back to an Ajax request, indicating success.
• WP_Customize_Nav_Menus::insert_auto_draft_post()Adds a new `auto-draft` post.

Source code

View on Trac ↗View on GitHub ↗

999	public function ajax_insert_auto_draft_post() {1000		if ( ! check_ajax_referer( 'customize-menus', 'customize-menus-nonce', false ) ) {1001			wp_send_json_error( 'bad_nonce', 400 );1002		}1003 1004		if ( ! current_user_can( 'customize' ) ) {1005			wp_send_json_error( 'customize_not_allowed', 403 );1006		}1007 1008		if ( empty( $_POST['params'] ) || ! is_array( $_POST['params'] ) ) {1009			wp_send_json_error( 'missing_params', 400 );1010		}1011 1012		$params         = wp_unslash( $_POST['params'] );1013		$illegal_params = array_diff( array_keys( $params ), array( 'post_type', 'post_title' ) );1014		if ( ! empty( $illegal_params ) ) {1015			wp_send_json_error( 'illegal_params', 400 );1016		}1017 1018		$params = array_merge(1019			array(1020				'post_type'  => '',1021				'post_title' => '',1022			),1023			$params1024		);1025 1026		if ( empty( $params['post_type'] ) || ! post_type_exists( $params['post_type'] ) ) {1027			status_header( 400 );1028			wp_send_json_error( 'missing_post_type_param' );1029		}1030 1031		$post_type_object = get_post_type_object( $params['post_type'] );1032		if ( ! current_user_can( $post_type_object->cap->create_posts ) || ! current_user_can( $post_type_object->cap->publish_posts ) ) {1033			status_header( 403 );1034			wp_send_json_error( 'insufficient_post_permissions' );1035		}1036 1037		$params['post_title'] = trim( $params['post_title'] );1038		if ( '' === $params['post_title'] ) {1039			status_header( 400 );1040			wp_send_json_error( 'missing_post_title' );1041		}1042 1043		$r = $this->insert_auto_draft_post( $params );1044		if ( is_wp_error( $r ) ) {1045			$error = $r;1046			if ( ! empty( $post_type_object->labels->singular_name ) ) {1047				$singular_name = $post_type_object->labels->singular_name;1048			} else {1049				$singular_name = __( 'Post' );1050			}1051 1052			$data = array(1053				/* translators: 1: Post type name, 2: Error message. */1054				'message' => sprintf( __( '%1$s could not be created: %2$s' ), $singular_name, $error->get_error_message() ),1055			);1056			wp_send_json_error( $data );1057		} else {1058			$post = $r;1059			$data = array(1060				'post_id' => $post->ID,1061				'url'     => get_permalink( $post->ID ),1062			);1063			wp_send_json_success( $data );1064		}1065	}

Changelog

Introduced in 4.7.0. One change between 6.7.7 and 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 6.9.7 tag, from src/wp-includes/class-wp-customize-nav-menus.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

Corrections

Something wrong on this page? Report it and it gets fixed in the next regeneration.