Implemented counter

2025-05-07 14:52:49 +02:00
parent 24a8b4758d
commit b08110e3e0
2 changed files with 45 additions and 0 deletions
--- a/api.php
+++ b/api.php
@@ -82,6 +82,19 @@
 			) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;");
 	}

+	if(!in_array("counter", $tables)) {
+		query("CREATE TABLE `counter` (
+				`value` int NOT NULL,
+				PRIMARY KEY (`value`)
+			) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;");
+	}
+
+	query("SELECT COUNT(value) AS count FROM counter;", function($row) {
+		if($row["count"] <= 0) {
+			query("INSERT INTO counter(value) VALUES (0);");
+		}
+	});
+
 	if(isset($_GET["cmd"])) {
 		$cmd = $_GET['cmd'];

--- a/counter.php
+++ b/counter.php
@@ -0,0 +1,32 @@
+<?php
+	include "api.php";
+
+	if(isset($_GET["increment"])) {
+		query("UPDATE counter SET value = value + 1;");
+		header("Location: /counter.php");
+		die();
+	}
+?>
+<!DOCTYPE html>
+<html>
+	<head>
+		<title>Vkládání otázek</title>
+	</head>
+	<body>
+		<h1>Počítadlo</h1>
+		<h2>
+			Je tu
+<?php
+	query("SELECT * FROM counter", function($row) {
+		echo($row["value"]);
+	})
+?>
+			lidí!
+		</h2>
+		<form action="/counter.php" method="get">
+			<input type="hidden" name="increment" value="dick">
+			<input type="submit" value="Přišel další!">
+		</form>
+	</body>
+</html>
+