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✏️ Editing: MchMinifier.php

<?php
/**
 * Copyright (c) 2016 Ultra Community (http://www.ultracommunity.com)
 */

namespace InvisibleReCaptcha\MchLib\Utils;

final class MchMinifier
{
	public static function getMinifiedCss($strCss)
	{
		$replace = array(
				"#/\*.*?\*/#s" => '',  // Strip C style comments.
				"#\s\s+#"      => ' ', // Strip excess whitespace.
		);

$strCss = \preg_replace(array_keys($replace), $replace, $strCss);

$replace = array(
				": "  => ":",
				"; "  => ";",
				" {"  => "{",
				" }"  => "}",
				", "  => ",",
				"{ "  => "{",
				";}"  => "}", // Strip optional semicolons.
				",\n" => ",", // Don't wrap multiple selectors.
				"\n}" => "}", // Don't wrap closing braces.
				"} "  => "}\n", // Put each rule on it's own line.
				"\n"  => "", // Strip \n
		);

return  \str_replace(array_keys($replace), $replace, $strCss);

}
}

//class MchMinifier
//{
//	private $scripts = array();
//	private $styles = array();
//	private $js;
//	private $css;

//	public function add($source, $type="")
//	{ //first division
//		if ($source) {
//			if (is_array($source)) {
//				foreach ($source as $item) {
//					$this->divide($item, $type);
//				}
//			} elseif (is_string($source)) {
//				$this->divide($source, $type);
//			} else {
//				throw new Exception('Source file must be either an array or a string!');
//			}
//		} else {
//			throw new Exception('Source file can\'t be empty!');
//		}
//	}
//
//	private function divide($source, $type) { //divides given sources into arrays
//		if (substr($source, -3) == "css" || $type == "css") {
//			$this->styles[] = $this->validate($source);
//		} else {
//			$this->scripts[] = $this->validate($source);
//		}
//	}
//	private function validate($source) { //validates source - must be a path or an URL
//		$source = trim($source);
//		if (mb_ereg("[\\^?*:;{}]+", $source) && !filter_var($source, FILTER_VALIDATE_URL)) {
//			throw new Exception('Source is neither URL nor file!');
//		} else {
//			return $source;
//		}
//	}

//	private function minify()
//	{
//		$this->minifyCSS();
//		$this->minifyJS();
//	}
//
//	private function minifyCSS() {
//		$replace = array(
//			"#/\*.*?\*/#s" => "",  // Strip C style comments.
//			"#\s\s+#"      => " ", // Strip excess whitespace.
//		);
//		$css = preg_replace(array_keys($replace), $replace, $this->css);
//		$replace = array(
//			": "  => ":",
//			"; "  => ";",
//			" {"  => "{",
//			" }"  => "}",
//			", "  => ",",
//			"{ "  => "{",
//			";}"  => "}", // Strip optional semicolons.
//			",\n" => ",", // Don't wrap multiple selectors.
//			"\n}" => "}", // Don't wrap closing braces.
//			"} "  => "}\n", // Put each rule on it's own line.
//			"\n"  => "", // Strip \n
//		);
//
//		$css = str_replace(array_keys($replace), $replace, $css);
//		return $this->css = $css;
//	}
//
//	private function minifyJS() {   // JavaScript compressor by John Elliot <jj5@jj5.net>
//		$replace = array(
//			'#\'([^\n\']*?)/\*([^\n\']*)\'#' => "'\1/'+\'\'+'*\2'", // remove comments from ' strings
//			'#\"([^\n\"]*?)/\*([^\n\"]*)\"#' => '"\1/"+\'\'+"*\2"', // remove comments from " strings
//			'#/\*.*?\*/#s'            => "",      // strip C style comments
//			'#[\r\n]+#'               => "\n",    // remove blank lines and \r's
//			'#\n([ \t]*//.*?\n)*#s'   => "\n",    // strip line comments (whole line only)
//			'#([^\\])//([^\'"\n]*)\n#s' => "\\1\n",
//			// strip line comments
//			// (that aren't possibly in strings or regex's)
//			'#\n\s+#'                 => "\n",    // strip excess whitespace
//			'#\s+\n#'                 => "\n",    // strip excess whitespace
//			'#(//[^\n]*\n)#s'         => "\\1\n", // extra line feed after any comments left
//			// (important given later replacements)
//			'#/([\'"])\+\'\'\+([\'"])\*#' => "/*" // restore comments in strings
//		);
//		$script = preg_replace(array_keys($replace), $replace, $this->js);
//		$replace = array(
//			"&&\n" => "&&",
//			"||\n" => "||",
//			"(\n"  => "(",
//			")\n"  => ")",
//			"[\n"  => "[",
//			"]\n"  => "]",
//			"+\n"  => "+",
//			",\n"  => ",",
//			"?\n"  => "?",
//			":\n"  => ":",
//			";\n"  => ";",
//			"{\n"  => "{",
//			//  "}\n"  => "}", (because I forget to put semicolons after function assignments)
//			"\n]"  => "]",
//			"\n)"  => ")",
//			"\n}"  => "}",
//			"\n\n" => "\n"
//		);
//		$script = str_replace(array_keys($replace), $replace, $script);
//		return $this->js = $script;
//	}
//
//	private function compile($minify) {   // save content from all files in one string
//		foreach ($this->styles as $style) {
//			$this->css .= file_get_contents($style);
//		}
//		foreach ($this->scripts as $script) {
//			$this->js .= file_get_contents($script);
//		}
//		if ($minify)
//			$this->minify();
//	}
//	public function render($minify=true, $version="") {  // final rendering
//		$this->compile($minify);
//		if ($version) {
//			$version = "-".$version;
//		}
//		fwrite(fopen("cache/style$version.css", "w"), $this->css);
//		fwrite(fopen("cache/script$version.js", "w"), $this->js);
//		echo "<link href='cache/style$version.css' rel='stylesheet'><script type='text/javascript' src='cache/script$version.js'></script>";
//	}
//	public function clear() {  // delete all files inside cache folder
//		$files = glob('cache/*'); // get all file names
//		foreach($files as $file){
//			if(is_file($file))
//				unlink($file); // delete file
//		}
//	}
//}

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