fixed Typos from plan.io ticket

static/php/log.php

@@ -0,0 +1,20 @@
+<?php
+// Check if the request is a POST request
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    // Assuming data is sent via a POST field named 'logData'
+    $logData = $_POST['logData'] ?? 'Default log entry.';
+
+    // Specify the log file
+    $logfile = '../log.txt';
+
+    // Write or append the data to the file
+    file_put_contents($logfile, $logData . "\n", FILE_APPEND);
+
+    // Send a response back to JavaScript
+    echo json_encode(["status" => "success", "message" => "Data logged successfully"]);
+} else {
+    // Handle incorrect request method
+    http_response_code(405);
+    echo json_encode(["status" => "error", "message" => "Method not allowed"]);
+}
+?>