initial commit

Author: Nate Nasteff

minify.php

@@ -0,0 +1,82 @@
+#!/usr/bin/php
+<?php # minify.php - Nate Nasteff 2020
+
+// A simple CSS minifier to be run from the command line.
+
+// If no args are received from CL or help is requested..
+
+if ($argc != 2 || in_array($argv[1], array('--help', '-help', '-h', '-?'))) { 
+  
+?>
+
+CSS command-line minifier.
+Takes an argument of .css file and outputs 
+the minified CSS into a .min.css file, retaining 
+the original name.
+
+    Usage:
+    minify <foo.css>
+
+<?php    
+} 
+
+else {
+  // Define needles for stripping newlines and spaces
+
+  $needles = ["\n", " "];
+
+  // Define regex patterns to strip comments
+
+  $regex = array(
+    "`^([\t\s]+)`ism"=>'',
+    "`^\/\*(.+?)\*\/`ism"=>"",
+    "`([\n\A;]+)\/\*(.+?)\*\/`ism"=>"$1",
+    "`([\n\A;\s]+)//(.+?)[\n\r]`ism"=>"$1\n",
+    "`(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+`ism"=>"\n"
+    );
+
+  // Check that the file name is valid, and assign contents to css_str
+
+  if (file_exists($argv[1])){
+
+    $css_str = file_get_contents($argv[1]);
+
+    // Remove comments, strip whitespaces / newlines
+
+    $css_str = preg_replace(array_keys($regex), $regex, $css_str);
+    $css_str = str_replace($needles, "", $css_str);
+
+    // Strip trailing semicolons at the end of css definitions
+
+    $css_str = str_replace(";}", "}", $css_str);
+
+    // Update filename
+
+    $minified_filename = str_replace(".css", ".min.css", $argv[1]);
+
+    // Attempt to save the new minified CSS
+    try {
+      file_put_contents($minified_filename, $css_str);
+      } 
+    
+    catch (Exception $e) {
+      echo $e->getMessage();
+      }
+
+    echo "Minified CSS file written to" . $minified_filename ."\n";
+}
+
+// Make sure file is actually a valid CSS file..
+
+else if (!strpos($argv[1], '.css')) {
+  echo "Not a valid CSS file!";
+}
+
+// If no file is found / incorrect filename..
+
+else {
+  echo "File not found or incorrect filename!";
+}
+
+}
+?>

test.css

@@ -0,0 +1,20 @@
+html {
+    padding: 0;
+    margin: 0;
+    width: 100%;
+    height: 100%;
+}
+
+/* Adding some comments */
+
+html {
+    padding: 0;
+    margin: 0;
+    width: 100%;
+    height: 100%;
+}
+
+a {
+    padding: 0;
+    content: '/* Test */';
+}