denbooru-php/include/header.php

<style>
	body{
		background-color: black;
	}
	*{
		color: white;
		font-family: monospace;
	}
	input{
		background-color: black;
		padding: 5px;
		border: 1px solid white;
	}
	a:visited{
		color: grey;
	}
	#header{
		text-align: center;
	}
	.alert{
		margin: 20px;
		padding: 5px;
		color: orange;
		border: solid orange 1px;
		margin: auto;
		width: 60vw;
	}
</style>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<div id="header">
	<?php
	//if($_SESSION["login"] === true) echo "You are logged in - <a href='/logout.php'>logout</a>";
	print("<a href='" . $BASE_PATH . "/'>Home</a> ");

	if($_SESSION["login"] === true){
		echo "<a href='/logout.php'>logout</a>";

		if($_SESSION["username"] == "admin"){
			print(" <a href='" . $BASE_PATH . "/admin.php'>Admin</a>");
		}
	}
	else{
		echo "<a href='/login.php'>Login</a>";
	}

	?>
	<h1>Dendy\'s Suckless Booru</h1>
	<form method="GET" action="tag.php">
		<input type="text" name="t" value="<?php if($_GET["t"]) echo $_GET["t"]; ?>">
		<input type="submit">
	</form>

	<?php
	if(isset($_SESSION["msg"]) and is_array($_SESSION["msg"])){
		foreach($_SESSION["msg"] as $message){
			echo("<div class='alert'>" . $message . "</div>");
			$_SESSION["msg"] = array();
		}
	}
	?>
</div>