' ); private $original_content = ''; private $show_original_content = 0; private $do_process = false; private $forcexhtml = false; private $internal_exclude_tag = 'breeze-wp-comments-exclude'; public function read( $options ) { $this_path_url = $this->get_cache_file_url( '' ); if ( false === breeze_is_process_locked( $this_path_url ) ) { $this->do_process = breeze_lock_cache_process( $this_path_url ); } else { $this->original_content = $this->content; return true; } // Remove the HTML comments? $this->keepcomments = (bool) $options['keepcomments']; // filter to force xhtml $this->forcexhtml = (bool) apply_filters( 'breeze_filter_html_forcexhtml', false ); // filter to add strings to be excluded from HTML minification $excludeHTML = apply_filters( 'breeze_filter_html_exclude', '' ); if ( $excludeHTML !== '' ) { $exclHTMLArr = array_filter( array_map( 'trim', explode( ',', $excludeHTML ) ) ); $this->exclude = array_merge( $exclHTMLArr, $this->exclude ); } // Nothing else for HTML return true; } //Joins and optimizes CSS public function minify() { if ( false === $this->do_process ) { return true; } $noptimizeHTML = apply_filters( 'breeze_filter_html_noptimize', false, $this->content ); if ( $noptimizeHTML ) { return false; } if ( class_exists( 'Minify_HTML' ) ) { // wrap the to-be-excluded strings in noptimize tags foreach ( $this->exclude as $exclString ) { $this->content = $this->wrap_html_exclusion_in_noptimize( $this->content, $exclString ); } // noptimize me $this->content = $this->hide_noptimize( $this->content ); // Minify html $options = array( 'keepComments' => $this->keepcomments ); if ( $this->forcexhtml ) { $options['xhtml'] = true; } if ( method_exists( 'Minify_HTML', 'minify' ) ) { $tmp_content = Minify_HTML::minify( $this->content, $options ); if ( ! empty( $tmp_content ) ) { $this->content = $tmp_content; unset( $tmp_content ); } } // restore noptimize $this->content = $this->restore_noptimize( $this->content ); $this->content = $this->cleanup_internal_html_exclusion_wrappers( $this->content ); // remove the noptimize-wrapper from around the excluded strings foreach ( $this->exclude as $exclString ) { $replString = '' . $exclString . ''; if ( strpos( $this->content, $replString ) !== false ) { $this->content = str_replace( $replString, $exclString, $this->content ); } } return true; } // Didn't minify :( return false; } /** * Wrap excluded content in noptimize comments. * * For default WP comments markers, we wrap the complete block to keep that * section unchanged while minifying the rest of the document. * * @param string $content The HTML content. * @param string $exclude_string Exclusion marker. * @return string */ private function wrap_html_exclusion_in_noptimize( $content, $exclude_string ) { $marker_pattern = $this->build_exclusion_marker_pattern( $exclude_string ); if ( ! preg_match( '#' . $marker_pattern . '#i', $content ) ) { return $content; } $already_wrapped_pattern = '#[\s\S]*?' . $marker_pattern . '[\s\S]*?#i'; if ( preg_match( $already_wrapped_pattern, $content ) ) { return $content; } $block_patterns = array( '#]*' . $marker_pattern . '[^>]*>[\s\S]*?#i', '#<(?:div|section|article|aside)\b[^>]*' . $marker_pattern . '[^>]*>[\s\S]*?#i', '#<(?:ol|ul)\b[^>]*' . $marker_pattern . '[^>]*>[\s\S]*?#i', ); foreach ( $block_patterns as $pattern ) { $updated_content = preg_replace_callback( $pattern, function ( $matches ) { $matched_block = $matches[0]; if ( false !== strpos( $matched_block, '' ) ) { return $matched_block; } return '' . $matched_block . ''; }, $content ); if ( null !== $updated_content && $updated_content !== $content ) { return $updated_content; } } return $content; } /** * Build a regex-safe exclusion marker pattern. * * Standalone marker words should not match inside larger words, e.g. * "comments" should not match "comments-list". * * @param string $exclude_string Exclusion marker. * @return string */ private function build_exclusion_marker_pattern( $exclude_string ) { if ( strpos( $exclude_string, '=' ) !== false || strpos( $exclude_string, '"' ) !== false || strpos( $exclude_string, "'" ) !== false ) { return preg_quote( $exclude_string, '#' ); } return '(?\s*([\s\S]*?)\s*#i'; $updated_content = preg_replace( $pattern, '$1', $content ); if ( null !== $updated_content ) { return $updated_content; } return $content; } // Does nothing public function cache() { //No cache for HTML return true; } //Returns the content public function getcontent() { if ( ! empty( $this->show_original_content ) ) { return $this->original_content; } if ( true === $this->do_process ) { $this_path_url = $this->get_cache_file_url( '' ); breeze_unlock_process( $this_path_url ); return $this->content; } else { return $this->original_content; } //return $this->content; } }