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<?php //global $blog_id; $blog_id = 10; //might use $site_id instead $params = array( 'publication_or_data' => 'Publication', 'category' => 'Published/Forthcoming', ); $query = "select * from wp_{$blog_id}_posts where id in ("; foreach($params as $param => $values) { if(substr($query, -13) != 'where id in (') { $query .= " and id in ("; } $query .= "select post_id from wp_{$blog_id}_postmeta where meta_key = {$param} and meta_value "; if(is_array($values)) { $query .= "in ('"; $query .= implode("','",$values); $query .= "')"; } else { $query .= "= '{$values}'"; } $query .= ")"; } echo $query;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0, 7.1.6 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
select * from wp_10_posts where id in (select post_id from wp_10_postmeta where meta_key = publication_or_data and meta_value = 'Publication') and id in (select post_id from wp_10_postmeta where meta_key = category and meta_value = 'Published/Forthcoming')
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 select * from wp_10_posts where id in (select post_id from wp_10_postmeta where meta_key = publication_or_data and meta_value = 'Publication') and id in (select post_id from wp_10_postmeta where meta_key = category and meta_value = 'Published/Forthcoming')
Output for 7.1.5

Process exited with code 137.
preferences:
265.26 ms | 401 KiB | 358 Q