File meta.php has 694 lines of code (exceeds 250 allowed). Consider refactoring.

Open

<?php
/**
 * Core Metadata API
 *
 * Functions for retrieving and manipulating metadata of various WordPress object types. Metadata

Function register_meta has a Cognitive Complexity of 34 (exceeds 5 allowed). Consider refactoring.

Open

function register_meta( $object_type, $meta_key, $args, $deprecated = null ) {
    global $wp_meta_keys;

    if ( ! is_array( $wp_meta_keys ) ) {
        $wp_meta_keys = array();

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Method register_meta has 89 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function register_meta( $object_type, $meta_key, $args, $deprecated = null ) {
    global $wp_meta_keys;

    if ( ! is_array( $wp_meta_keys ) ) {
        $wp_meta_keys = array();

Function update_meta_cache has a Cognitive Complexity of 22 (exceeds 5 allowed). Consider refactoring.

Open

function update_meta_cache( $meta_type, $object_ids ) {
    global $wpdb;

    if ( ! $meta_type || ! $object_ids ) {
        return false;

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Function update_metadata has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.

Open

function update_metadata( $meta_type, $object_id, $meta_key, $meta_value, $prev_value = '' ) {
    global $wpdb;

    if ( ! $meta_type || ! $meta_key || ! is_numeric( $object_id ) ) {
        return false;

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Method update_metadata has 65 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function update_metadata( $meta_type, $object_id, $meta_key, $meta_value, $prev_value = '' ) {
    global $wpdb;

    if ( ! $meta_type || ! $meta_key || ! is_numeric( $object_id ) ) {
        return false;

Function delete_metadata has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.

Open

function delete_metadata( $meta_type, $object_id, $meta_key, $meta_value = '', $delete_all = false ) {
    global $wpdb;

    if ( ! $meta_type || ! $meta_key || ! is_numeric( $object_id ) && ! $delete_all ) {
        return false;

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Method delete_metadata has 60 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function delete_metadata( $meta_type, $object_id, $meta_key, $meta_value = '', $delete_all = false ) {
    global $wpdb;

    if ( ! $meta_type || ! $meta_key || ! is_numeric( $object_id ) && ! $delete_all ) {
        return false;

Method update_meta_cache has 58 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function update_meta_cache( $meta_type, $object_ids ) {
    global $wpdb;

    if ( ! $meta_type || ! $object_ids ) {
        return false;

Function get_metadata_raw has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.

Open

function get_metadata_raw( $meta_type, $object_id, $meta_key = '', $single = false ) {
    if ( ! $meta_type || ! is_numeric( $object_id ) ) {
        return false;
    }

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Function filter_default_metadata has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.

Open

function filter_default_metadata( $value, $object_id, $meta_key, $single, $meta_type ) {
    global $wp_meta_keys;

    if ( wp_installing() ) {
        return $value;

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Method update_metadata_by_mid has 53 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function update_metadata_by_mid( $meta_type, $meta_id, $meta_value, $meta_key = false ) {
    global $wpdb;

    // Make sure everything is valid.
    if ( ! $meta_type || ! is_numeric( $meta_id ) || floor( $meta_id ) != $meta_id ) {

Method add_metadata has 48 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function add_metadata( $meta_type, $object_id, $meta_key, $meta_value, $unique = false ) {
    global $wpdb;

    if ( ! $meta_type || ! $meta_key || ! is_numeric( $object_id ) ) {
        return false;

Function update_metadata_by_mid has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

function update_metadata_by_mid( $meta_type, $meta_id, $meta_value, $meta_key = false ) {
    global $wpdb;

    // Make sure everything is valid.
    if ( ! $meta_type || ! is_numeric( $meta_id ) || floor( $meta_id ) != $meta_id ) {

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Function unregister_meta_key has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

function unregister_meta_key( $object_type, $meta_key, $object_subtype = '' ) {
    global $wp_meta_keys;

    if ( ! registered_meta_key_exists( $object_type, $meta_key, $object_subtype ) ) {
        return false;

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Function get_object_subtype has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

function get_object_subtype( $object_type, $object_id ) {
    $object_id      = (int) $object_id;
    $object_subtype = '';

    switch ( $object_type ) {

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Method get_metadata_raw has 35 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function get_metadata_raw( $meta_type, $object_id, $meta_key = '', $single = false ) {
    if ( ! $meta_type || ! is_numeric( $object_id ) ) {
        return false;
    }

Method delete_metadata_by_mid has 34 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function delete_metadata_by_mid( $meta_type, $meta_id ) {
    global $wpdb;

    // Make sure everything is valid.
    if ( ! $meta_type || ! is_numeric( $meta_id ) || floor( $meta_id ) != $meta_id ) {

Method filter_default_metadata has 33 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function filter_default_metadata( $value, $object_id, $meta_key, $single, $meta_type ) {
    global $wp_meta_keys;

    if ( wp_installing() ) {
        return $value;

Method get_object_subtype has 32 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function get_object_subtype( $object_type, $object_id ) {
    $object_id      = (int) $object_id;
    $object_subtype = '';

    switch ( $object_type ) {

Function delete_metadata_by_mid has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

Open

function delete_metadata_by_mid( $meta_type, $meta_id ) {
    global $wpdb;

    // Make sure everything is valid.
    if ( ! $meta_type || ! is_numeric( $meta_id ) || floor( $meta_id ) != $meta_id ) {

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Method unregister_meta_key has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function unregister_meta_key( $object_type, $meta_key, $object_subtype = '' ) {
    global $wp_meta_keys;

    if ( ! registered_meta_key_exists( $object_type, $meta_key, $object_subtype ) ) {
        return false;

Function add_metadata has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

function add_metadata( $meta_type, $object_id, $meta_key, $meta_value, $unique = false ) {
    global $wpdb;

    if ( ! $meta_type || ! $meta_key || ! is_numeric( $object_id ) ) {
        return false;

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Function get_registered_metadata has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

function get_registered_metadata( $object_type, $object_id, $meta_key = '' ) {
    $object_subtype = get_object_subtype( $object_type, $object_id );

    if ( ! empty( $meta_key ) ) {
        if ( ! empty( $object_subtype ) && ! registered_meta_key_exists( $object_type, $meta_key, $object_subtype ) ) {

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Method get_meta_sql has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

function get_meta_sql( $meta_query, $type, $primary_table, $primary_id_column, $context = null ) {

Method filter_default_metadata has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

function filter_default_metadata( $value, $object_id, $meta_key, $single, $meta_type ) {

Method delete_metadata has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

function delete_metadata( $meta_type, $object_id, $meta_key, $meta_value = '', $delete_all = false ) {

Method add_metadata has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

function add_metadata( $meta_type, $object_id, $meta_key, $meta_value, $unique = false ) {

Method update_metadata has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

function update_metadata( $meta_type, $object_id, $meta_key, $meta_value, $prev_value = '' ) {

Function get_metadata_by_mid has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

function get_metadata_by_mid( $meta_type, $meta_id ) {
    global $wpdb;

    if ( ! $meta_type || ! is_numeric( $meta_id ) || floor( $meta_id ) != $meta_id ) {
        return false;

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Avoid too many return statements within this method.

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    return false;

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            return false;

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            return false;

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        return false;

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    return false;

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        return true;

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                return false;

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        return false;

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    return $meta;

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        return $result;

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    return false;

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        return $meta_cache;

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        return add_metadata( $meta_type, $object_id, $raw_meta_key, $passed_value );

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        return false;

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    return $mid;

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    return true;

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            return maybe_unserialize( $meta_cache[ $meta_key ][0] );

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    return $cache;

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    return $value;

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        return false;

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        return false;

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        return false;

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    return false;

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    return true;

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            return array_map( 'maybe_unserialize', $meta_cache[ $meta_key ] );

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    return null;

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        return true;

Function metadata_exists has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

function metadata_exists( $meta_type, $object_id, $meta_key ) {
    if ( ! $meta_type || ! is_numeric( $object_id ) ) {
        return false;
    }

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