General project setup

tick.php

@@ -0,0 +1,34 @@
+<?php /* MONITOR PLUGIN HEARTBEAT TICKER SCRIPT */
+
+/* build the resulting log line (ensure fixed column positions!) */
+$logArr = Array(
+	intval($_GET['t']), /* timestamp */
+	$_GET['p'] ?? null, /* page ID */
+	$_SERVER['REMOTE_ADDR'] ?? 'null', /* remote IP */
+	$_COOKIE['DokuWiki'] ?? 'null', /* DokuWiki session ID */
+	$_GET['t'] ?? null /* client time */
+);
+
+/* create the log line */
+$filename = 'logs/' . gmdate('Y-m-d') . ".tck"; /* use GMT date for filename */
+$line = gmdate('Y-m-d H:i:s'); /* use GMT time for log entries */
+foreach ($logArr as $val) {
+	$line .= "\t" . $val;
+};
+
+/* write the log line to the file */
+$tickfile = fopen($filename, "a");
+if (!$tickfile) {
+	http_response_code(500);
+	die("Error: Unable to open log file. Please check file permissions.");
+}
+if (fwrite($tickfile, $line . "\n") === false) {
+	http_response_code(500);
+	fclose($tickfile);
+	die("Error: Could not write to log file.");
+}
+fclose($tickfile);
+
+/* Send "Accepted" header */
+http_response_code(202);
+echo "OK";