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テキスト領域のテキストの最後にを挿入するフォームに問題があり、<br>送信するたびに新しい改行が挿入されました。もう一度エディターに入ると、これらのブレークが表示されます。次のコードを挿入したところ、動作しているように見えました<br>.sが乗算されたり、エディターに表示されたりしなくなりました。

 $x = preg_replace("/^<br(\/|)>/i","\n",$x);
 $x = preg_replace("/(^)?(<br\s*\/?>\s*)+$/","\n", $x);

ただし、<br>SQL に入力するときに、テキストの末尾に 2 つのタグを入力しています。

これに関する私の以前の投稿はここです。

フォーム情報までのコードを含めるように編集

<?php

include ("main_fns.php"); // This file would include your database access and login     functions, include this at the top of EVERY page, in order to carry the session     between pages and access the database.
open_db(); // Open a database connection

$page_file = "sample.php"; // the file name of this page
$page_title = "Course Admin Area"; // can be fed into the header

include ("header.php");

// Check for logged in session variable, else prompt for login.
if (!@$_SESSION["email"]) {
loginPrompt(@$_POST["email"],$_SESSION["error"]);
} else {

// PAGE CONTENT GOES HERE

function fromhtml ($x) {
$x = preg_replace("/<p>/i","\n\n",$x);
$x = preg_replace("/^<br(\/|)>/i","\n",$x);
$x = preg_replace("/<li>/i","\n<li>",$x);
$x= preg_replace("/(^)?(<br\s*\/?>\s*)+$/","\n", $x); 
return $x;
}




$DBhost = "localhost";
$DBuser = "daccweb";
$DBpass = "go";
$DBName = "DACC";
mssql_connect($DBhost,$DBuser,$DBpass) or die("Unable to connect to database");
@mssql_select_db("$DBName") or die("Unable to select database $DBName");


$PHP_SELF = $_SERVER['PHP_SELF'];


$course_id = @$_GET["course"];

if ($course_id == "") {
//$sqlquery = "SELECT id,title,goals,outline,reference,DATE_FORMAT(updated, '%Y/%m/%d %H:%i:%S') as         updated2 FROM courses WHERE division_id = '$division_id' ORDER BY id";
$sqlquery = "SELECT id, title, goals, outline, reference, deliverymode, updated2 = CONVERT(VARCHAR(19),     updated, 120)
FROM courses WHERE division_id = '$division_id' ORDER by id";


$result = mssql_query($sqlquery);
$number = mssql_num_rows($result);

if ($number == 0) {
        print "<html><body>";
        print "No courses exist for division $division_id.";
        print "</body></html>";
    exit;
}

print "<b>Course list - division $division_id</b><p>\n";
print "Select a course ID to edit course information.<p>\n";
print "<table border=1 id=\"content_table\"><tr><th>ID</th><th>Title</th><th>Status</th><th>Last modified</th></tr>\n";

$i = 0;
while ($number > $i) {

        $course_id =  mssql_result($result,$i,"id");
    $reference = mssql_result($result,$i,"reference");
    $updated = mssql_result($result,$i,"updated2");

    print "<tr><td>";
    if ($reference == "") {
            print "<a href=$PHP_SELF?division=$division_id&course=$course_id>$course_id</a>";
    } else {
            print "$course_id";
    }
    print "</td><td>";
        print mssql_result($result,$i,"title");
    print "</td><td>";
    if ($reference == "") {
        if ( (mssql_result($result,$i,"goals")=="") and (mssql_result($result,$i,"outline")=="")     ) {
            print "<b>No syllabus, or incomplete</b></td>";
        }
    } else {
        print "Based on $reference";
    }
    print "</td><td>$updated</td>\n";
        print "</tr>\n";  
        $i++;
}

print "</table>";

    exit;
}

$sqlquery = "SELECT * FROM courses WHERE id = '$course_id'";

$result = mssql_query($sqlquery);
$number = mssql_num_rows($result);

if ($number == 0) {
print "<html><body>";
print "No course with the ID \"$course_id\" exists in the course database.";
print "</body></html>";
exit;
}

$i = 0;
$title = fromhtml(mssql_result($result,$i,"title"));
$iai = fromhtml(mssql_result($result,$i,"iai"));
$deliverymode = fromhtml(mssql_result($result,$i,"deliverymode"));
$hours = fromhtml(mssql_result($result,$i,"hours"));
$type = fromhtml(mssql_result($result,$i,"type"));
$description = fromhtml(mssql_result($result,$i,"description"));
$semester = fromhtml(mssql_result($result,$i,"semester"));
$prerequisites =fromhtml(mssql_result($result,$i,"prerequisites"));
$notes = fromhtml(mssql_result($result,$i,"notes"));
$goals = fromhtml(mssql_result($result,$i,"goals"));
$outline = fromhtml(mssql_result($result,$i,"outline"));
$materials = fromhtml(mssql_result($result,$i,"materials"));
$evaluation = fromhtml(mssql_result($result,$i,"evaluation"));
$bibliography = fromhtml(mssql_result($result,$i,"bibliography"));
$revised = mssql_result($result,$i,"revised");

print "<html><head><title>DACC Course Syllabus - $course_id</title>";

print "<script language=\"JavaScript\" type=\"text/javascript\" src=\"/rte/richtext2.js\"></script>";
?>

<script language="JavaScript" type="text/javascript">
<!--    
initRTE("/rte/images/", "/rte/", "");
//-->   

function submitForm() {
   updateRTEs();
   document.edit-course.submit();
   return false;
}

</script>

<?php   

print "</head><body>\n";

print "<a href=/courses/$division_id>Back to the $division_id course list</a>";
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