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newpost.php

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<?php
include("check_session.php");
require_once('databaseconnection.php');

$sql = "SELECT `blogId` FROM manage WHERE `userId` = :userId";
$stm = $pdo->prepare($sql);
$stm->execute(['userId' => $_SESSION["userId"]]);
$blogIdArray = $stm->fetchAll(PDO::FETCH_COLUMN); #Hämta alla Id på bloggar skapade utav dig

if (!empty($blogIdArray)){ #stoppar nedanstående SQL från att köras om användaren inte har några bloggar. (stoppar error)

    $placeholders = implode(',', array_fill(0, count($blogIdArray), '?')); 

    $sql = "SELECT `name` FROM blog WHERE `blogId` IN ($placeholders)"; #tar alla namn på bloggar som användaren har tillgång till.
    $stm = $pdo->prepare($sql);
    $stm->execute($blogIdArray);
    $dbOutput = $stm->fetchAll(PDO::FETCH_COLUMN);
}
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>New post</title>
    <link rel="stylesheet" href="/spectre/spectre-master/dist/spectre.css">
    <script src="https://kit.fontawesome.com/0b0c9a8dc7.js" crossorigin="anonymous"></script>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Special+Gothic+Expanded+One&family=Special+Gothic:wght@400..700&display=swap" rel="stylesheet">
    <style>
        #navTop{
            font-family: "Special Gothic Expanded One", Helvetica;
        }
    </style>
</head>
<body style="text-align: center;">
    <header class="navbar">
        <section class="navbar-section">
            <a href="settings.php" class="btn btn-link">Settings</a>
            <a href="home.php" class="btn btn-link">Home</a>
        </section>
        <section class="navbar-center">
            <h3 id="navTop">PHiNTERNET</h3>
        </section>
        <section class="navbar-section">
            <a href="#" class="btn btn-link">Create Post</a>
            <a href="profile.php?mess=<?php echo"{$_SESSION["userId"]}"?>" class="btn btn-link">Profile</a>
        </section>
    </header>
    <h1>Choose blog</h1>
    <a class="btn btn-primary" href="newblog.php">New Blog</a>
    <br><br><br>
    <form method="post" action="post_create.php">

    <?php
    if (isset($dbOutput)){
        for ($i=0; $i<= count($dbOutput)-1; $i++){
            echo"<a style=\"margin:0.2rem;\" class=\"btn\" href=\"h_blog_insert.php?mess={$blogIdArray[$i]}|{$dbOutput[$i]}\">{$dbOutput[$i]}</a>"; #skriv ut alla bloggar som knappar
        }
    }
    ?>

    </form>
</body>
</html>