From f644890e3abdd1b0ea2009750ea451907d1c914b Mon Sep 17 00:00:00 2001
From: Sheldon Lee <sheldon@sheldonlee.com>
Date: Sun, 12 Nov 2023 22:45:19 +0800
Subject: [PATCH] Add logging functions

---
 php/logging.php | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 php/logging.php

diff --git a/php/logging.php b/php/logging.php
new file mode 100644
index 0000000..0edd625
--- /dev/null
+++ b/php/logging.php
@@ -0,0 +1,29 @@
+<?php
+//define("DEBUG", null);
+define("LOG_FILE", __DIR__ . "/../php.log");
+define("PREFIX_ERROR", "Error: ");
+
+function log_print($string)
+{
+	if(defined("DEBUG") && !defined("NO_ECHO")) {
+		echo $string . "<br>";
+		return;
+	}
+
+	$handle = fopen(LOG_FILE, "a");
+	if (!$handle) { 
+		echo "Unable to open file.<br>";
+		return;
+	}
+	
+	if (!fwrite($handle, $string . "\n")) {
+		echo "Unable to write to file.<br>";
+	}
+	fclose($handle);
+}
+
+function log_error($string)
+{
+	log_print(PREFIX_ERROR . $string);
+}
+?>