WordPress

Script Compres HTML Pada WordPress

Untuk mencompres file HTML seperti CSS, JS pada WordPress kamu dapat menggunakan script ini dengan mudah. Kamu cukup menambah script ini pada file function.php yang terdapat pada penyuting tema kamu semoga bermanfaat.

Berikut adalah script mencompres file HTML yang dapat kamu terapkan.

class WP_HTML_Compression
{
// Settings
protected $compress_css = true;
protected $compress_js = true;
protected $info_comment = true;
protected $remove_comments = true;

// Variables
protected $html;
public function __construct($html)
{
if (!empty($html))
{
$this->parseHTML($html);
}
}
public function __toString()
{
return $this->html;
}
protected function bottomComment($raw, $compressed)
{
$raw = strlen($raw);
$compressed = strlen($compressed);

$savings = ($raw-$compressed) / $raw * 100;

$savings = round($savings, 2);

return '<!--HTML compressed, size saved '.$savings.'%. From '.$raw.' bytes, now '.$compressed.' bytes-->';
}
protected function minifyHTML($html)
{
$pattern = '/<(?<script>script).*?<\/script\s*>|<(?<style>style).*?<\/style\s*>|<!(?<comment>--).*?-->|<(?<tag>[\/\w.:-]*)(?:".*?"|\'.*?\'|[^\'">]+)*>|(?<text>((<[^!\/\w.:-])?[^<]*)+)|/si';
	preg_match_all($pattern, $html, $matches, PREG_SET_ORDER);
	$overriding = false;
	$raw_tag = false;
	// Variable reused for output
	$html = '';
	foreach ($matches as $token)
	{
		$tag = (isset($token['tag'])) ? strtolower($token['tag']) : null;
		
		$content = $token[0];
		
		if (is_null($tag))
		{
			if ( !empty($token['script']) )
			{
				$strip = $this->compress_js;
			}
			else if ( !empty($token['style']) )
			{
				$strip = $this->compress_css;
			}
			else if ($content == '<!--wp-html-compression no compression-->')
			{
				$overriding = !$overriding;
				
				// Don't print the comment
				continue;
			}
			else if ($this->remove_comments)
			{
				if (!$overriding && $raw_tag != 'textarea')
				{
					// Remove any HTML comments, except MSIE conditional comments
					$content = preg_replace('/<!--(?!\s*(?:\[if [^\]]+]|<!|>))(?:(?!-->).)*-->/s', '', $content);
				}
			}
		}
		else
		{
			if ($tag == 'pre' || $tag == 'textarea')
			{
				$raw_tag = $tag;
			}
			else if ($tag == '/pre' || $tag == '/textarea')
			{
				$raw_tag = false;
			}
			else
			{
				if ($raw_tag || $overriding)
				{
					$strip = false;
				}
				else
				{
					$strip = true;
					
					// Remove any empty attributes, except:
					// action, alt, content, src
					$content = preg_replace('/(\s+)(\w++(?<!\baction|\balt|\bcontent|\bsrc)="")/', '$1', $content);
					
					// Remove any space before the end of self-closing XHTML tags
					// JavaScript excluded
					$content = str_replace(' />', '/>', $content);
				}
			}
		}
		
		if ($strip)
		{
			$content = $this->removeWhiteSpace($content);
		}
		
		$html .= $content;
	}
	
	return $html;
}

public function parseHTML($html)
{
	$this->html = $this->minifyHTML($html);
	
	if ($this->info_comment)
	{
		$this->html .= "\n" . $this->bottomComment($html, $this->html);
	}
}

protected function removeWhiteSpace($str)
{
	$str = str_replace("\t", ' ', $str);
	$str = str_replace("\n",  '', $str);
	$str = str_replace("\r",  '', $str);
	
	while (stristr($str, '  '))
	{
		$str = str_replace('  ', ' ', $str);
	}
	
	return $str;
}
}

function wp_html_compression_finish($html)
{
    return new WP_HTML_Compression($html);
}

function wp_html_compression_start()
{
    ob_start('wp_html_compression_finish');
}
add_action('get_header', 'wp_html_compression_start');
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