カスタム投稿タイプが多い時に管理画面メニューでの並び順をまとめるスニペット

pm-fix-admin-menu-order.php

<?php
add_filter( 'custom_menu_order', '__return_true' );
add_filter( 'menu_order'       , 'pm_menu_order' );  

function pm_menu_order( $menu_order ) {
    $menu = array();

    foreach ( $menu_order as $key => $val ) {
        if ( 0 === strpos( $val, 'edit.php' ) )
            break;
            
        $menu[] = $val;
        unset( $menu_order[$key] );
    }
    
    foreach ( $menu_order as $key => $val ) {
        if ( 0 === strpos( $val, 'edit.php' ) ) {
            $menu[] = $val;
            unset( $menu_order[$key] );
        }
    }

    return array_merge( $menu, $menu_order );
}