如果不存在多个元键，则查询所有帖子

我正在尝试获取所有没有以aa\\uUket开头的元ket的帖子。我可以这样做

$args = array(
\'posts_per_page\' => -1,
\'category__in\' => 23,
\'meta_query\' => array(
\'relation\' => \'AND\',
array(
 \'key\' => \'aa_article_1\',
 \'compare\' => \'NOT EXISTS\', 
 \'value\' => \'\' 
),
array(
 \'key\' => \'aa_article_2\',
 \'compare\' => \'NOT EXISTS\', 
 \'value\' => \'\' 
),
array(
 \'key\' => \'aa_article_3\',
 \'compare\' => \'NOT EXISTS\', 
 \'value\' => \'\' 
),
array(
 \'key\' => \'aa_article_4\',
 \'compare\' => \'NOT EXISTS\', 
 \'value\' => \'\' 
),
array(
 \'key\' => \'aa_article_5\',
 \'compare\' => \'NOT EXISTS\', 
 \'value\' => \'\' 
),
array(
 \'key\' => \'aa_article_6\',
 \'compare\' => \'NOT EXISTS\', 
 \'value\' => \'\' 
)

));

$the_query = new WP_Query ($args);
// The Loop
if ( $the_query->have_posts() ) {
echo \'<ul>\';
while ( $the_query->have_posts() ) {
    $the_query->the_post();
    echo \'<li><a href="\' . get_the_permalink() . \'" target="_blank">\' . get_the_title() . \'</a></li>\';
}
echo \'</ul>\';
echo "<h2>Found: $the_query->found_posts posts</h2>";
} else {
// no posts found
}
wp_reset_postdata();

有没有办法做到这一点？我有大约50个以aa\\u1开头的元密钥，这样可以节省一些时间。当然，很高兴知道是否有可能，以备将来使用：）

ARRAY_MERGE内的Foreach循环

我需要在下拉菜单中获得用户显示名称的列表。我有查询权限，但我不确定如何准确地将我的用户foreach放入数组中。以下是我需要将用户注入的代码：$data[\'settings\'][\'advanced_options\'] = array_merge($data[\'settings\'][\'advanced_options\'], [ [ "label" => "Dynamic Option 1", //

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