dpn4073 2017-06-17 02:07
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I have a form on my site where users can enter links to articles

So far... when a link is submitted, I am able to get that link to post to a destination html page.

However... if another link is submitted, it deletes the first one.

I would like the links to 'stack' and make a list to the destination (directory) page (which is currently an html page).

I don't know how to achieve this. Any advice or examples would be greatly appreciated.

I have include a very stripped down version of all three pages....

1.) The Form

    <!DOCTYPE html>
    <html>
    <head>
    <title>FORM</title>

    <style>
    body{margin-top:20px; margin-left:20px;}
    .fieldHeader{font-family:Arial, Helvetica, sans-serif; font-size:12pt;}
    .articleURL{margin-top:10px; width:700px; height:25px;}
    .btnWrap{margin-top:20px;}
    .postButton{cursor:pointer;}
    </style>

    </head>
    <body>
    <form action="urlUpload.php" method="post" enctype="multipart/form-data">

    <div class="fieldHeader">Enter Article Link:</div>
    <input class="articleURL" id="articleURL" name="articleURL" autocomplete="off">
    <div class="btnWrap"><input class="postButton" type="submit" name="submit" value="POST"></button></div>

    </form>
    </body>
    </html>

  1. The Upload PHP (buffer) Page

    <?php ob_start(); ?>
<!DOCTYPE html>
<html>
<head>
<title>urlUpload</title>
<style>body{margin-top:20px; margin-left:20px;}</style>
</head>
<body>
<?php $articleURL = htmlspecialchars($_POST['articleURL']); echo  $articleURL;?>
</body>
</html>
<?php echo ''; file_put_contents("urlDirectory.html", ob_get_contents()); ?>

3.) The Destination HTML 'Directory List' page

    <!DOCTYPE html>
    <html>
    <head>
    <title>urlDirectory</title>

    <style>body{margin-top:20px; margin-left:20px;}</style>

    </head>
    <body>
    Sumbitted URL's should be listed here:
    </body>
    </html>

PS: I may not even need the middle php 'buffer' page. My knowledge of this sort of thing is limited thus far. If I don't need that, and can skip that page to accomplish my needs, please advise as well.

  • 写回答

1条回答 默认 最新

  • donglugou6652 2017-06-17 02:39
    关注

    You can do this by using PHP to write the file and using urlDirectory.html as a template. You will just need to change your php file:

    urlUpload.php

    <?php

function saveUrl($url, $template, $tag)
{
    // If template is invalid, return
    if (!file_exists($template)) {
        return false;
    }

    // Remove whitespace from URL
    $url = trim($url);

    // Ignore invalid urls
    if (!filter_var($url, FILTER_VALIDATE_URL)) {
        return true;
    }

    // Read template into array
    $html = file($template);

    foreach ($html as &$line) {
        // Look for the tag, we will add our new URL directly before this tag, use
        // preg_match incase the tag is preceded or followed by some other text
        if (preg_match("/(.*)?(" . preg_quote($tag, '/') . ")(.*)?/", $line, $matches)) {
            // Create line for URL
            $urlLine = '<p>' . htmlspecialchars($_POST['articleURL']) . '</p>' . PHP_EOL;

            // Handle lines that just contain body and lines that have text before body
            $line = $matches[1] == $tag ? $urlLine . $matches[1] : $matches[1] . $urlLine . $matches[2];

            // If we have text after body add that too
            if (isset($matches[3])) {
                $line .= $matches[3];
            }

            // Don't process any more lines
            break;
        }
    }

    // Save file
    return file_put_contents($template, implode('', $html));
}

$template = 'urlDirectory.html';

$result = saveUrl($_POST['articleURL'], $template, '</body>');

// Output to browser
echo $result ? file_get_contents($template) : 'Template error';
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