記事ランダム①
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function category_rand_orderby( $orderby, $query ){ | |
if ( !is_admin() && $query->is_main_query() ) { | |
if ( $query->is_category() ) { | |
$seed = strtotime( date( 'Y-m-d H:00:00' ) ); | |
mt_srand( $seed ); | |
$orderby = 'RAND(' . mt_rand() . ')'; | |
} | |
} | |
remove_filter( current_filter(), __FUNCTION__ ); | |
return $orderby; | |
} | |
add_filter( 'posts_orderby', 'category_rand_orderby', 10, 2 ); | |
----------------- | |
function fix_rand_orderby( $orderby, $query ){ | |
if ( 'rand' == $query->get( 'orderby' ) ) { | |
$seed = strtotime( date( 'Y-m-d H:00:00' ) ); | |
mt_srand( $seed ); | |
$orderby = 'RAND(' . mt_rand() . ')'; | |
} | |
return $orderby; | |
} | |
add_filter( 'posts_orderby', 'fix_rand_orderby', 10, 2 ); | |
--------------------- | |
function category_rand_pre_get_posts( $query ) { | |
if ( is_admin() || !$query->is_main_query() ) | |
return; | |
if ( $query->is_category() ) | |
$query->set( 'orderby', 'rand' ); | |
} | |
add_action( 'pre_get_posts', 'category_rand_pre_get_posts' ); | |
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