Database: Restore numbered placeholders in wpdb::prepare().

[41496] removed support for numbered placeholders in queries send through `wpdb::prepare()`, which, despite being undocumented, were quite commonly used.

This change restores support for numbered placeholders (as well as a subset of placeholder formatting), while also adding extra checks to ensure the correct number of arguments are being passed to `wpdb::prepare()`, given the number of placeholders.

See #41925.



git-svn-id: https://develop.svn.wordpress.org/trunk@42056 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Gary Pendergast
2017-10-31 11:59:43 +00:00
parent 15f74e83fa
commit a39d599adf
9 changed files with 492 additions and 53 deletions
+3 -4
View File
@@ -364,12 +364,11 @@ function delete_metadata($meta_type, $object_id, $meta_key, $meta_value = '', $d
return false;
if ( $delete_all ) {
$value_clause = '';
if ( '' !== $meta_value && null !== $meta_value && false !== $meta_value ) {
$value_clause = $wpdb->prepare( " AND meta_value = %s", $meta_value );
$object_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $type_column FROM $table WHERE meta_key = %s AND meta_value = %s", $meta_key, $meta_value ) );
} else {
$object_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $type_column FROM $table WHERE meta_key = %s", $meta_key ) );
}
$object_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $type_column FROM $table WHERE meta_key = %s $value_clause", $meta_key ) );
}
/**