A simple php script to Minify PHP files in PHP project using PHP shell command in terminal..

PHPMinify.php

<?php

/**
 * @author Abhinav Kulshreshtha 
 * @version 1.0
 * @copyright 2015-End_of_Time Abhinav Kulshreshtha
 * @license DO WHAT THE F**K YOU WANT TO PUBLIC LICENSE < http://www.wtfpl.net/ >
 *
 * @todo Looks Like I missed managing symlinks.
 */

$source = realpath('./Main/');
$target = realpath('.').'/target';

// Remove target directory if already exists. Makes testing easy
if (is_dir($target)) {
shell_exec('rm -rf '.$target);
}

// Sleep for few seconds to ensure Shell command works.
usleep(10000);

// Create Target Directory.
mkdir($target, 0755);


foreach (
// A lot of silly object encapsulation,  just because... 
  $iterator = new RecursiveIteratorIterator(  new RecursiveDirectoryIterator($source, RecursiveDirectoryIterator::SKIP_DOTS),  RecursiveIteratorIterator::SELF_FIRST) as $item) {
  
  if ($item->isDir()) {
    mkdir($target . DIRECTORY_SEPARATOR . $iterator->getSubPathName());
  } else {


	// some debugging codes  	
  	// var_dump($item->getPathName());
  	// var_dump($item->getExtension());
  	// var_dump($target . DIRECTORY_SEPARATOR . $iterator->getSubPathName());

  	$sourceFile = $item->getPathName();
  	$targetFile = $target . DIRECTORY_SEPARATOR . $iterator->getSubPathName();

  	// checking for php extensions
    if(strcasecmp($item->getExtension(), 'php')===0){
    	// Php files will be minified with the shell command. It is extreamly slow but works safe.
    	echo "Minifyinf php file using shell".PHP_EOL.'Source - $sourceFile'.PHP_EOL.'Target - $targetFile';
    	shell_exec("php -w ".$sourceFile.' > '. $targetFile);

    } else {
    	// all other non php files will be directly copied .
    	echo "Copying a ". $item->getExtension() ." file".PHP_EOL.'Source - $sourceFile'.PHP_EOL.'Target - $targetFile';
    	copy($item, $target . DIRECTORY_SEPARATOR . $iterator->getSubPathName());
    }
  	
  	echo PHP_EOL.'-------------------------'.PHP_EOL; // good looking messages on terminal.
  
    }
}