Created
June 28, 2023 10:40
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WP Query order by alphanumeric meta value
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<?php | |
function orderbyReplace($orderby) | |
{ | |
global $wpdb; | |
// use this if you have stable literal prefixes (e.g. af102, af56, af2569) | |
$new = str_replace($wpdb->prefix . 'postmeta.meta_value ASC', 'LENGTH(mt1.meta_value) ASC, mt1.meta_value ASC', $orderby); | |
// use this if you have something like (102bch, 56dbg, 2569, 12ea) | |
$new = str_replace($wpdb->prefix . 'postmeta.meta_value ASC', 'CAST(mt1.meta_value as UNSIGNED) ASC, mt1.meta_value ASC', $orderby); | |
return $new; | |
} | |
$args = [ | |
'post_type' => 'mycpt', | |
'order' => 'ASC', | |
'posts_per_page' => -1, | |
'meta_key' => 'my-meta-key', | |
'orderby' => 'meta_value', | |
'meta_query' => [ | |
[ | |
'key' => 'my-meta-key', | |
'value' => '', | |
'compare' => 'LIKE' | |
], | |
] | |
]; | |
add_filter('posts_orderby', 'orderbyReplace'); | |
$q = new WP_Query($args); | |
remove_filter('posts_orderby', 'orderbyReplace'); |
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