PHP:如何保存在会话生成的表中，并在每次当前用户登录时保存 - PHP: How to save in session generated table, and apear everytime when curent user is login?

PHP: How to save in session generated table, and apear everytime when curent user is login?

这是表，当用户在选择框中选择某些值时生成。如何在会话中保存此生成的表，并在每次当前用户登录时显示。

<table border="0" class="table table-hover table-striped" name="raspored" id="raspored" class="tablesorter">
    <thead>
        <tr COLSPAN=2 BGCOLOR="#6D8FFF">
            <th>ИД</th>
            <th>Предмет</th>
            <th>Професор</th>
            <th>Ден</th>
            <th>Час</th>
            <th>Просторија</th>
            <th>Тип</th>
        </tr>
    </thead>
    <?php
    foreach ($_POST['predmet'] as $predmet) {
        $_SESSION['predmet'] = $_POST['predmet'];
        $rows = get_info($db, $predmet);
        if (count($rows)){
            foreach ($rows as $row) {       
                $_SESSION['row'] = $rows;
                echo "<tr>" .
                    "<td>" . $row["ID"] . "</td>" .
                    "<td>" . $row["predmet"] . "</td>" .
                    "<td>" . $row["profesor"] . "</td>" .
                    "<td>" . $row["den"] . "</td>" .
                    "<td>" . $row["chas"] . "</td>" .
                    "<td>" . $row["prostorija"] . "</td>" .
                    "<td>" . $row["tip"] . "</td>" .
                    "</tr>";
            }
        }   
    }
    ?>
</table>

你可以做这样的事情。缩进不是很正确，但它应该仍然有效。

<?php
session_start(); //call this if you haven't already done so - you'll need to call it before any HTML is output to the page though unless you have output buffering turned on such as via http://php.net/manual/en/outcontrol.configuration.php#ini.output-buffering
if ($_SESSION['table_stored_in_session']) {
    echo $_SESSION['table_stored_in_session'];
} else {
        ob_start();
    ?>
    <table border="0" class="table table-hover table-striped" name="raspored" id="raspored" class="tablesorter">
        <thead>
            <tr COLSPAN=2 BGCOLOR="#6D8FFF">
                <th>??</th>
                <th>???????</th>
                <th>????????</th>
                <th>???</th>
                <th>???</th>
                <th>??????????</th>
                <th>???</th>
            </tr>
        </thead>
        <?php
        foreach ($_POST['predmet'] as $predmet) {
            $_SESSION['predmet'] = $_POST['predmet'];
            $rows = get_info($db, $predmet);
            if (count($rows)){
                foreach ($rows as $row) {       
                    $_SESSION['row'] = $rows;
                    echo "<tr>" .
                        "<td>" . $row["ID"] . "</td>" .
                        "<td>" . $row["predmet"] . "</td>" .
                        "<td>" . $row["profesor"] . "</td>" .
                        "<td>" . $row["den"] . "</td>" .
                        "<td>" . $row["chas"] . "</td>" .
                        "<td>" . $row["prostorija"] . "</td>" .
                        "<td>" . $row["tip"] . "</td>" .
                        "</tr>";
                }
            }   
        }
        ?>
    </table>
    <?php
    $table = ob_get_clean();
    $_SESSION['table_stored_in_session'] = $table;
    echo $table;
}
?>