Meta_key和Meta_Value不在一起工作

我正在尝试过滤循环以查找具有meta_key 具有特定的meta_value. 我看了一下抄本，尝试了以下方法，但没有成功：

// No results
$args = array(
    \'post_type\' => \'cqpp_interventions\',
    \'posts_per_page\' => \'-1\',
    \'meta_query\' => array(
            \'relation\' => \'OR\',
            array(
                \'meta_key\' => \'priority\',
                /* Tried this too
                \'meta_value\' => \'80\',
                \'compare\' => \'=\'
                */
                \'meta_value\' => array(\'80\'),
                \'compare\' => \'IN\' )
    )
);

// No results
$args = array(
    \'post_type\' => \'cqpp_interventions\',
    \'posts_per_page\' => \'-1\',
    \'meta_key\' => \'priority\',
    \'meta_value\' => 80
);

// This list me all cqpp_interventions and I can confirm that I have some with meta_value set to 80
$args = array(
    \'post_type\' => \'cqpp_interventions\',
    \'posts_per_page\' => \'-1\',
    \'meta_key\' => \'priority\'
);


$cqpp_posts = get_posts( $args );

以下是我如何在循环内进行验证：

$priority = get_post_meta( get_the_ID(), \'priority\');
echo \'<pre>\';
var_dump($priority);
echo \'</pre>\';

其结果是：

search.php:16:
array (size=1)
    0 => 
        array (size=1)
            0 => string \'80\' (length=2)

search.php:16:
array (size=1)
    0 => 
        array (size=2)
        0 => string \'80\' (length=2)
        1 => string \'91\' (length=2)

我能做些什么来解决这个问题？

$args = array( \'post_type\' => \'cqpp_interventions\', \'posts_per_page\' => \'-1\', \'meta_query\' => array( array( \'key\' => \'priority\', \'value\' => \'80\' ) ) );

$args = array( \'post_type\' => \'cqpp_interventions\', \'posts_per_page\' => \'-1\', \'meta_query\' => array( \'relation\' => \'OR\', array( \'meta_key\' => \'priority\', /* Tried this too \'meta_value\' => \'80\', \'compare\' => \'=\' */ \'meta_value\' => array(\'80\'), \'compare\' => \'IN\' ) ) );

$args = array( \'post_type\' => \'cqpp_interventions\', \'posts_per_page\' => \'-1\', \'meta_query\' => array( array( \'meta_key\' => \'priority\', \'meta_value\' => \'80\', // since 80 is string ) ) ); // try either of below. $myPost = new WP_Query( $args ); // fetch post and managed in objects $myPost = get_posts( $args ); // fetch post and store in array

如何在wp-Query中比较不同的时间戳以获取事件自定义帖子类型？

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