undefined indexes & var

gistfile1.txt

//sid.php (indexy)

    if($SID["_MSG_ARRAY"]) foreach ( $SID["_MSG_ARRAY"] as $m ) $SID["MESSAGES"] .= $m;
    if($SID["_ERR_ARRAY"]) foreach ( $SID["_ERR_ARRAY"] as $m ) $SID["ERRORS"] .= $m;
    if($SID["_CON_ARRAY"]) foreach ( $SID["_CON_ARRAY"] as $m ) $SID["CONTENT"] .= $m;


//sid.php (variable)

    if($select_flag) {
        if($sth) select_results($sth);
        else message('Empty result');
    } else {
        $elapsed_time = microtime(TRUE) - $SID['query_start_time'];
        if($multistmt_flag)
            message("$stmt_count statements executed.");
        else
            message("Statement affected " . $sth->rowCount() . " row(s) in " . number_format($elapsed_time * 1000, 2) . " milliseconds.");
    }
}


//main.php (indexy)

<?php echo $SID["MESSAGES"] ?><?php echo $SID["ERRORS"] ?>
<?php echo $SID["CONTENT"] ?>