Symfony Profiler

<?php
/**
* Contao Open Source CMS
*
* Copyright (c) 2005-2019 Leo Feyer
*
* @copyright Tim Gatzky 2019, Premium-Contao-Themes
* @author Tim Gatzky <info@tim-gatzky.de>
* @package pct_seo_helper
* @link https://contao.org, https://www.premium-contao-themes.com
* @license http://www.gnu.org/licenses/lgpl-3.0.html LGPL
*/
/**
* Namespace
*/
namespace PCT\SEO;
/**
* Class file
* ContaoCallbacks
*/
class ContaoCallbacks
{
/**
* Add the 'loading' attribute to <img> elements
* @param object
*/
public function parseFrontendTemplateCallback($strBuffer, $strTemplate)
{
$strLoading = \Contao\Config::get('pct_seo_image_loading');
if( empty($strLoading) === true )
{
return $strBuffer;
}
// find images
if( preg_match_all('/(<img[^>]+>)/i', $strBuffer, $arrMatches) )
{
foreach( $arrMatches as $match )
{
if( empty($match) === true )
{
continue;
}
$image = $match[0];
// skip images already processed or containing an loading attribute
if( in_array($image,$GLOBALS['PCT_SEO']['processedImages'] ?? array() ) == true || strpos($image,'loading=') !== false )
{
continue;
}
// insert loading attribute
$new_image = str_replace('<img','<img loading="'.$strLoading.'"',$image);
// replace in html string
$strBuffer = str_replace($image,$new_image,$strBuffer);
// mark as being processed
$GLOBALS['PCT_SEO']['processedImages'][] = $image;
$GLOBALS['PCT_SEO']['processedImages'][] = $new_image;
}
}
return $strBuffer;
}
/**
* Add variables to fe_page Template
* @param mixed $objTemplate
* @return void
*/
public function parseTemplateCallback($objTemplate)
{
if ( \strpos($objTemplate->getName(), 'fe_page') === false )
{
$GLOBALS['PCT_SEO']['FE_PAGE_PROCESSED'] = true;
return;
}
global $objPage;
if( strlen($objPage->pct_structured_data) > 0 )
{
$objTemplate->pct_structured_data = \Contao\StringUtil::decodeEntities($objPage->pct_structured_data);
}
// HTTP1/2
if( empty(\Contao\Config::get('pct_seo_protocol')) === false )
{
// add a template variable
$objTemplate->seo_protocol = \PCT\SEO::getProtocol(); // http1, http2
}
// SEO scripte single src files
$objTemplate->seo_scripts_files = array();
// if ThemeDesigner is active, place all SEO SCRIPT FILES in TL_JAVASCRIPT
if( (boolean)\Contao\Config::get('pct_themedesigner_hidden') === false && isset($GLOBALS['SEO_SCRIPTS_FILE']) && !empty($GLOBALS['SEO_SCRIPTS_FILE']) )
{
$tmp = \array_unique( \array_filter($GLOBALS['SEO_SCRIPTS_FILE']) );
foreach($tmp as $k => $file)
{
#$GLOBALS['TL_JQUERY'][] = '<script src="'.$file.'"></script>';
$GLOBALS['TL_JAVASCRIPT'][] = $file;
}
unset($GLOBALS['SEO_SCRIPTS_FILE']);
}
if( isset($GLOBALS['SEO_SCRIPTS_FILE']) && !empty($GLOBALS['SEO_SCRIPTS_FILE']) )
{
$tmp = \array_unique( \array_filter($GLOBALS['SEO_SCRIPTS_FILE']) );
if( empty($GLOBALS['SEO_SCRIPTS_FILE']) === false )
{
foreach($tmp as $k => $file)
{
$arr = parse_url($file);
if( isset($arr['path']) && !empty($arr['path']) )
{
$file = $arr['path'];
}
$file = str_replace(array('|static','|print','|async'), '', $file);
$tmp[$k] = $file;
}
$objTemplate->seo_scripts_files = $tmp;
unset($tmp);
}
}
}
/**
* Find comment section in templates to extract
* @param mixed $objTemplate
* @return void
*/
public function collectScriptSections($strBuffer, $strTemplate)
{
$arrMatches = array();
$preg = preg_match_all('/SEO-SCRIPT-START(.*?)SEO-SCRIPT-STOP/s', $strBuffer,$arrMatches);
if( !$preg )
{
return $strBuffer;
}
$block_start = '';
$block_stop = '';
foreach($arrMatches[1] as $match)
{
$match = ltrim(ltrim($match),'-->');
$match = rtrim(rtrim($match),'<!--');
// add to end of body
$GLOBALS['TL_BODY'][] = $match;
// remove script from source code
$strBuffer = str_replace(array($block_start,$block_stop,$match), '', $strBuffer);
}
return $strBuffer;
}
/**
* Add page record information directly to the fe_page template
* @param object
* @param object
*/
public function generatePageCallback($objPage, $objLayout, $objPageRegular)
{
// HTTP1/2
if( empty(\Contao\Config::get('pct_seo_protocol')) === false )
{
$strProtocol = \PCT\SEO::getProtocol(); // http1, http2
$version = str_replace(array('http','https'),'',$strProtocol);
// http1.x
if( version_compare($version,'2','<') )
{
// add |static
if( !empty($GLOBALS['TL_JAVASCRIPT']) && !\is_array($GLOBALS['TL_JAVASCRIPT']) )
{
$GLOBALS['TL_JAVASCRIPT'] = array_unique($GLOBALS['TL_JAVASCRIPT']);
foreach( $GLOBALS['TL_JAVASCRIPT'] as $i => $v )
{
if( strpos($v,'|static') === false && file_exists(TL_ROOT.'/'.$v) )
{
$GLOBALS['TL_JAVASCRIPT'][$i] = $v.'|static';
}
}
}
if( !empty($GLOBALS['TL_CSS']) && !\is_array($GLOBALS['TL_CSS']) )
{
$GLOBALS['TL_CSS'] = array_unique($GLOBALS['TL_CSS']);
foreach( $GLOBALS['TL_CSS'] as $i => $v )
{
if( strpos($v,'|static') === false && file_exists(TL_ROOT.'/'.$v) )
{
$GLOBALS['TL_CSS'][$i] = $v.'|static';
}
}
}
}
// http2.x
else if( version_compare($version,'2','>=') )
{
// strip |static
if( !empty($GLOBALS['TL_JAVASCRIPT']) && !\is_array($GLOBALS['TL_JAVASCRIPT']) )
{
foreach( $GLOBALS['TL_JAVASCRIPT'] as $i => $v )
{
$GLOBALS['TL_JAVASCRIPT'][$i] = str_replace('|static','',$v);
}
}
if( !empty($GLOBALS['TL_CSS']) && !\is_array($GLOBALS['TL_CSS']) )
{
$GLOBALS['TL_CSS'] = array_unique($GLOBALS['TL_CSS']);
foreach( $GLOBALS['TL_CSS'] as $i => $v )
{
$GLOBALS['TL_CSS'][$i] = str_replace('|static','',$v);
}
}
}
}
}
}

system/modules/pct_seo_helper/PCT/SEO/ContaoCallbacks.php line 76