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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
915 | /** |
916 | * Filters whether to perform a strict guess for a 404 redirect. |
917 | * |
918 | * Returning a truthy value from the filter will redirect only exact post_name matches. |
919 | * |
920 | * @since 5.5.0 |
921 | * |
922 | * @param bool $strict_guess Whether to perform a strict guess. Default false (loose guess). |
923 | */ |
924 | $strict_guess = apply_filters( 'strict_redirect_guess_404_permalink', false ); |
925 |
|
926 | if ( $strict_guess ) { |
927 | $where = $wpdb->prepare( 'post_name = %s', get_query_var( 'name' ) ); |
928 | } else { |
929 | $where = $wpdb->prepare( 'post_name LIKE %s', $wpdb->esc_like( get_query_var( 'name' ) ) . '%' ); |
930 | } |
931 |
|
932 | // If any of post_type, year, monthnum, or day are set, use them to refine the query. |
933 | if ( get_query_var( 'post_type' ) ) { |