Ignore php log file

.gitignore

@@ -1,3 +1,5 @@
 php/composer*
 php/psalm.xml
 php/vendor
+
+php.log

php/get.php

@@ -1,7 +1,10 @@
 <?php
+include_once __DIR__ . "/logging.php";
+
 define("ROOT_URL", "http://localhost/");
-define("IMG_DIR", "/var/www/localhost/img/");
-define("IMG_URL", "img/");
+define("ROOT_DIR", "/var/www/localhost/");
+define("IMG_DIR", "img/");
+define("THUMBNAIL_DIR", __DIR__ . "../thumbnails");
 
 main();
 
@@ -10,24 +13,32 @@ function main(): void {
 	$array = [];
 
 	$category = $data["category"];
-  $directory = IMG_DIR.$category;
-  if (!is_dir($directory)) return;
+	$directory = ROOT_DIR.IMG_DIR.$category;
+
+	if (!is_dir($directory)) goto encode;
 	foreach (scandir($directory) as $file) {
 		if ($file === ".") continue;
 		if ($category === "" && $file === "..") continue;
 
 		if ($category != "") $file = $category.'/'.$file;
-    $is_dir = is_dir(IMG_DIR.$file);
+		$is_dir = is_dir(ROOT_DIR.IMG_DIR.$file);
 		if (!$is_dir && !is_valid_file_type($file)) continue;
 
 		$file_item = [];
 		$file_item["is_dir"] = $is_dir;
-    $file_item["url"] = ROOT_URL.IMG_URL.$file;
+		$file_item["url"] = ROOT_URL.IMG_DIR.$file;
+		$file_item["thumbnail_url"] = create_thumbnail($file);
 		array_push($array, $file_item);
 	}
+
+	encode:
 	echo json_encode($array);
 }
 
+function create_thumbnail(string $file): string {
+	return ROOT_URL.IMG_DIR.$file;
+}
+
 function is_valid_file_type(string $filename): bool {
 	$file_extensions = [
 		// Image extensions

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);
+}
+?>