/* Convert images to webp */ add_filter( 'wp_handle_upload', 'wpturbo_handle_upload_convert_to_webp' ); function wpturbo_handle_upload_convert_to_webp( $upload ) { if ( $upload['type'] == 'image/jpeg' || $upload['type'] == 'image/png' || $upload['type'] == 'image/gif' ) { $file_path = $upload['file']; /* Check if ImageMagick or GD is available */ if ( extension_loaded( 'imagick' ) || extension_loaded( 'gd' ) ) { $image_editor = wp_get_image_editor( $file_path ); if ( ! is_wp_error( $image_editor ) ) { $file_info = pathinfo( $file_path ); $dirname   = $file_info['dirname']; $filename  = $file_info['filename']; /* Create a new file path for the WebP image */ $new_file_path = $dirname . '/' . $filename . '.webp'; /* Attempt to save the image in WebP format */ $saved_image = $image_editor->save( $new_file_path, 'image/webp' ); if ( ! is_wp_error( $saved_image ) && file_exists( $saved_image['path'] ) ) { /* Success: replace the uploaded image with the WebP image */ $upload['file'] = $saved_image['path']; $upload['url']  = str_replace( basename( $upload['url'] ), basename( $saved_image['path'] ), $upload['url'] ); $upload['type'] = 'image/webp'; /* Optionally remove the original image */ @unlink( $file_path ); } } } } return $upload; } 
/* Minify files in wordpress */ class FLHM_HTML_Compression { protected $flhm_compress_css = true; protected $flhm_compress_js = true; protected $flhm_info_comment = true; protected $flhm_remove_comments = true; protected $html; public function __construct($html) { if (!empty($html)) { $this->flhm_parseHTML($html); } } public function __toString() { return $this->html; } protected function flhm_bottomComment($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 '.$compressed.' bytes-->'; } protected function flhm_minifyHTML($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; $html = ''; foreach ($matches as $token) { $tag = (isset($token['tag'])) ? strtolower($token['tag']) : null; $content = $token[0]; if (is_null($tag)) { if ( !empty($token['script']) ) { $strip = $this->flhm_compress_js; } else if ( !empty($token['style']) ) { $strip = $this->flhm_compress_css; } else if ($content == '<!--wp-html-compression no compression-->') { $overriding = !$overriding; continue; } else if ($this->flhm_remove_comments) { if (!$overriding && $raw_tag != 'textarea') { $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; $content = preg_replace('/(\s+)(\w++(?<!\baction|\balt|\bcontent|\bsrc)="")/', '$1', $content); $content = str_replace(' />', '/>', $content); } } } if ($strip) { $content = $this->flhm_removeWhiteSpace($content); } $html .= $content; } return $html; } public function flhm_parseHTML($html) { $this->html = $this->flhm_minifyHTML($html); if ($this->flhm_info_comment) { $this->html .= "\n" . $this->flhm_bottomComment($html, $this->html); } } protected function flhm_removeWhiteSpace($str) { $str = str_replace("\t", ' ', $str); $str = str_replace("\n",  '', $str); $str = str_replace("\r",  '', $str); $str = str_replace("// The customizer requires postMessage and CORS (if the site is cross domain).",'',$str); while (stristr($str, '  ')) { $str = str_replace('  ', ' ', $str); } return $str; } } function flhm_wp_html_compression_finish($html) { return new FLHM_HTML_Compression($html); } function flhm_wp_html_compression_start() { ob_start('flhm_wp_html_compression_finish'); } add_action('get_header', 'flhm_wp_html_compression_start');