custom_field_get_id_from_name() always returns false since mantisbt version 1.2.12 if the field name is longer than one character.

Reason:
db_query_bound() is called with a string as second parameter instead of an array in line 651 of custom_field_api.php.

Patch:

--- mantisbt-1.2.12\core\custom_field_api.php 2012-11-12 00:10:00.000000000 +0100
+++ mantisbt-1.2.12-new\core\custom_field_api.php 2012-12-06 16:00:27.000000000 +0100
@@ -645,13 +645,13 @@

history record created after 1.1.0a4 has the correct field

    # size (see #8002)
    $query = "SELECT id FROM $t_custom_field_table WHERE name LIKE " . db_param();
    $c_field_name = $p_field_name . '%';
}

• $t_result = db_query_bound( $query, $c_field_name );

• $t_result = db_query_bound( $query, array( $c_field_name ) );

  if( db_num_rows( $t_result ) == 0 ) {
  return false;
  }

  $row = db_fetch_array( $t_result );