我在合并 meta_query "OR' and "AND" 关系时遇到问题

I have a problem with combining meta_query "OR' and "AND" relations

我想用元字段创建过滤器 我用 ACF 插件创建元字段,我想对某些 meta_field 使用或关联,但它们不起作用, 例如,在过滤器上,我选择 "Male" 和 "Female" 作为元密钥训练器,这显示我没有 posts,但有一个 post 具有男性的元值,但我的查询没有显示它们,但是如果我 select 只有 "Male" 这个查询显示 post post 中的元值是 array('Male')

这是针对 wordpressajax 过滤器

       $args = [
            'posts_per_page' => - 1,
        ];

        if ( $minlength ) {
            $min_lenght_query[] = [
                'key' => 'duration',
                'value' => $minlength,
                'compare' => '>=',
                'type' => 'NUMERIC'
            ];
        }
        if ( $maxlength ) {
            $max_lenght_query[] = [
                'key' => 'duration',
                'value' => $maxlength,
                'compare' => '<=',
                'type' => 'NUMERIC'
            ];
        }
        if ( $minburn ) {
            $minburn_query[] = [
                'key' => 'calorie_burn_minimum',
                'value' => $minburn,
                'compare' => '>=',
                'type' => 'NUMERIC'
            ];
        }
        if ( $maxburn ) {
            $maxburn_query[] = [
                'key' => 'calorie_burn_maximum',
                'value' => $maxburn,
                'compare' => '<=',
                'type' => 'NUMERIC'
            ];
        }
        if ( $difficulty ) {
            $difficulty_query[] = [
                'key' => 'difficulty',
                'value' => $difficulty,
                'compare' => 'IN',
            ];
        }
        if ( $trainer ) {
            foreach ($trainer as $value) {
            $trainer_query[] = [
                'key' => 'trainer',
                'value' => $value,
                'compare' => 'LIKE',
            ];
            }

        }
        if ( $focus ) {
            foreach ($focus as $value) {
            $focus_query[] = [
                'key' => 'body_focus',
                'value' => $value,
                'compare' => 'LIKE',
            ];
            }
        }
        if ( $trainingtype ) {
            foreach ($trainingtype as $value) {
            $trainingtype_query[] = [
                'key' => 'training_type',
                'value' => $value,
                'compare' => 'LIKE',
            ];
            }
        }
        if ( $equipment ) {
            foreach ($trainingtype as $value) {
            $equipment_query[] = [
                'key' => 'equipment',
                'value' => $value,
                'compare' => 'LIKE',
            ];
            }
        }
        if ( $search ) {
            $args['s'] = $search;
        }
        if($sort == 'newest'){
            $args['orderby'] = [ 'date'=>'DESC' ];
        }elseif($sort == 'olders'){
            $args['orderby'] = [ 'date'=>'ASC' ];
        }elseif($sort == 'shortest'){
            $args['orderby'] = [ 'meta_value_num'=>'ASC' ];
            $args['meta_key'] = 'duration';
        }elseif($sort == 'longest'){
            $args['orderby'] = [ 'meta_value_num'=>'DESC' ];
            $args['meta_key'] = 'duration';
        }
$args['meta_query']=array(
        'relation' => 'AND',
        array($min_lenght_query),
        array($max_lenght_query),
        array($minburn_query),
        array($maxburn_query),
        array($difficulty_query),
        array('relation' => 'OR',$trainer_query),
        array('relation' => 'OR',$focus_query),
        array('relation' => 'OR',$trainingtype_query),
        array('relation' => 'OR',$equipment_query),
    );

我在测试数组后发现了如何做到这一点

if ( $trainer ) {
            $trainer_query=array('relation' => 'OR',);
            foreach ($trainer as $value) {
            $trainer_query[] = [
                'key' => 'trainer',
                'value' => $value,
                'compare' => 'LIKE',
            ];
            }

        }

并像在元查询中那样使用它,这解决了我的问题

$args['meta_query']=array(
        'relation' => 'AND',
        array($min_lenght_query),
        array($max_lenght_query),
        array($minburn_query),
        array($maxburn_query),
        array($difficulty_query),
        array('relation' => 'OR',$trainer_query),
        array('relation' => 'OR',$focus_query),
        array('relation' => 'OR',$trainingtype_query),
        array('relation' => 'OR',$equipment_query),
    );