我有这样一个meta\\u查询,但“relation”=>“OR”不起作用,meta\\u查询是否只进行“both/and”检查而不进行“one/OR”?
$args = array(
\'post_type\' => \'post\',
\'posts_per_page\' => -1,
\'meta_query\' => array(
\'relation\' => \'OR\',
array(
\'key\' => \'app_os\',
\'compare\' => \'LIKE\',
\'value\' => \'iPhone\',
),
array(
\'key\' => \'app_os\',
\'compare\' => \'LIKE\',
\'value\' => \'iPad\',
)
)
)$query=新的WP\\u查询($args);提前感谢。