Better commenting

config/config.php

@@ -1,4 +1,16 @@
 <?php
+/**
+ * Easy Min
+ *
+ * Simple minification for better website performance
+ *
+ * @author		Timothy J. Warren
+ * @copyright	Copyright (c) 2012
+ * @link 		https://github.com/aviat4ion/Easy-Min
+ * @license		http://philsturgeon.co.uk/code/dbad-license
+ */
+
+// --------------------------------------------------------------------------
 
 /*
 |--------------------------------------------------------------------------

config/css_groups.php

@@ -1,4 +1,20 @@
 <?php
+/**
+ * Easy Min
+ *
+ * Simple minification for better website performance
+ *
+ * @author		Timothy J. Warren
+ * @copyright	Copyright (c) 2012
+ * @link 		https://github.com/aviat4ion/Easy-Min
+ * @license		http://philsturgeon.co.uk/code/dbad-license
+ */
+
+// --------------------------------------------------------------------------
+
+/**
+ * This is the config array for css files to concatenate and minify
+ */
 return array(
 	/*-----
 			Css				
@@ -13,3 +29,4 @@ return array(
 		),
 	*/
 );
+// End of css_groups.php

config/js_groups.php

@@ -1,11 +1,29 @@
 <?php
-	return array(	
+/**
+ * Easy Min
+ *
+ * Simple minification for better website performance
+ *
+ * @author		Timothy J. Warren
+ * @copyright	Copyright (c) 2012
+ * @link 		https://github.com/aviat4ion/Easy-Min
+ * @license		http://philsturgeon.co.uk/code/dbad-license
+ */
+
+// --------------------------------------------------------------------------
+
+/**
+ * This is the config array for javascript files to concatenate and minify
+ */
+return array(	
 	/*
 		For each group create an array like so
 		
 		'my_group' => array(
-				'path/to/css/file1.css',
+			'path/to/js/file1.js',
-				'path/to/css/file2.css'
+			'path/to/js/file2.js'
 		),
 	*/
-	);
+);
+
+// End of js_groups.php

css.php

@@ -1,4 +1,17 @@
 <?php
+/**
+ * Easy Min
+ *
+ * Simple minification for better website performance
+ *
+ * @author		Timothy J. Warren
+ * @copyright	Copyright (c) 2012
+ * @link 		https://github.com/aviat4ion/Easy-Min
+ * @license		http://philsturgeon.co.uk/code/dbad-license
+ */
+
+// --------------------------------------------------------------------------
+
 //Get config files
 require('./config/config.php');
 
@@ -37,6 +50,8 @@ function compress($buffer) {
     return $buffer;
 }
 
+// --------------------------------------------------------------------------
+
 //Creative rewriting
 $pi = $_SERVER['PATH_INFO'];
 $pia = explode('/', $pi);
@@ -54,9 +69,12 @@ while($i < $pia_len)
 	$i = $j + 1;
 };
 
+// --------------------------------------------------------------------------
+
 $css = '';
 $modified = array();
 
+// Get all the css files, and concatenate them together
 if(isset($groups[$_GET['g']]))
 {
 	foreach($groups[$_GET['g']] as $file)
@@ -67,24 +85,28 @@ if(isset($groups[$_GET['g']]))
 	}
 }
 
-//Add this page too
+//Add this page for last modified check
 $modified[] = filemtime($this_file);
 
 //Get the latest modified date
 rsort($modified);
 $last_modified = $modified[0];
 
-if(!isset($_GET['debug']))
+// If not in debug mode, minify the css
+if( ! isset($_GET['debug']))
 {
 	$css = compress($css);
 }
 
+// Correct paths that have changed due to concatenation
+// based on rules in the config file
 $css = strtr($css, $path_from, $path_to);
 
 $requested_time=(isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) 
 	? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) 
 	: time();
 
+// Send 304 when not modified for faster response
 if($last_modified === $requested_time)
 {
 	header("HTTP/1.1 304 Not Modified");

js.php

@@ -1,4 +1,17 @@
 <?php
+/**
+ * Easy Min
+ *
+ * Simple minification for better website performance
+ *
+ * @author		Timothy J. Warren
+ * @copyright	Copyright (c) 2012
+ * @link 		https://github.com/aviat4ion/Easy-Min
+ * @license		http://philsturgeon.co.uk/code/dbad-license
+ */
+
+// --------------------------------------------------------------------------
+
 //Get config files
 require('./config/config.php');
 
@@ -73,6 +86,8 @@ while($i < $pia_len)
 	$i = $j + 1;
 };
 
+// --------------------------------------------------------------------------
+
 $js = '';
 $modified = array();
 
@@ -138,10 +153,12 @@ if($cache_modified < $last_modified)
 		die("Cache file was not created. Make sure you have the correct folder permissions.");
 	}
 }
+// If debug is set, just concatenate
 else if(isset($_GET['debug']))
 {
 	$js = get_files();
 }
+// Otherwise, send the cached file
 else
 {
 	$js = file_get_contents($cache_file);
@@ -153,6 +170,7 @@ else
 //making file size smaller and transfer rate quicker
 ob_start("ob_gzhandler");
 
+// Set important caching headers
 header("Content-Type: application/javascript; charset=utf8");
 header("Cache-control: public, max-age=691200, must-revalidate");
 header("Last-Modified: ".gmdate('D, d M Y H:i:s', $last_modified)." GMT");