| 1 |
<?php |
| 2 |
/** |
| 3 |
* Plus WebP |
| 4 |
* |
| 5 |
* @package Plus WebP |
| 6 |
* @subpackage PlusWebp Main function |
| 7 |
/* Copyright (c) 2019- Katsushi Kawamori (email : dodesyoswift312@gmail.com) |
| 8 |
This program is free software; you can redistribute it and/or modify |
| 9 |
it under the terms of the GNU General Public License as published by |
| 10 |
the Free Software Foundation; version 2 of the License. |
| 11 |
|
| 12 |
This program is distributed in the hope that it will be useful, |
| 13 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
GNU General Public License for more details. |
| 16 |
|
| 17 |
You should have received a copy of the GNU General Public License |
| 18 |
along with this program; if not, write to the Free Software |
| 19 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 |
*/ |
| 21 |
|
| 22 |
$pluswebp = new PlusWebp(); |
| 23 |
|
| 24 |
/** ================================================== |
| 25 |
* Class Main function |
| 26 |
* |
| 27 |
* @since 1.00 |
| 28 |
*/ |
| 29 |
class PlusWebp { |
| 30 |
|
| 31 |
/** ================================================== |
| 32 |
* Dir |
| 33 |
* |
| 34 |
* @var $upload_dir DIR. |
| 35 |
*/ |
| 36 |
private $upload_dir; |
| 37 |
/** ================================================== |
| 38 |
* Dir |
| 39 |
* |
| 40 |
* @var $upload_url URL. |
| 41 |
*/ |
| 42 |
private $upload_url; |
| 43 |
/** ================================================== |
| 44 |
* Dir |
| 45 |
* |
| 46 |
* @var $upload_path PATH. |
| 47 |
*/ |
| 48 |
private $upload_path; |
| 49 |
|
| 50 |
/** ================================================== |
| 51 |
* Construct |
| 52 |
* |
| 53 |
* @since 1.00 |
| 54 |
*/ |
| 55 |
public function __construct() { |
| 56 |
|
| 57 |
list($this->upload_dir, $this->upload_url, $this->upload_path) = $this->upload_dir_url_path(); |
| 58 |
|
| 59 |
add_filter( 'wp_generate_attachment_metadata', array( $this, 'generate_webp' ), 10, 2 ); |
| 60 |
|
| 61 |
} |
| 62 |
|
| 63 |
/** ================================================== |
| 64 |
* Webp generate |
| 65 |
* |
| 66 |
* @param array $metadata metadata. |
| 67 |
* @param int $attachment_id ID. |
| 68 |
* @return array $metadata metadata. |
| 69 |
* @since 1.00 |
| 70 |
*/ |
| 71 |
public function generate_webp( $metadata, $attachment_id ) { |
| 72 |
|
| 73 |
$pluswebp_settings = get_option( 'pluswebp' ); |
| 74 |
$replace = $pluswebp_settings['replace']; |
| 75 |
|
| 76 |
$mime_type = get_post_mime_type( $attachment_id ); |
| 77 |
if ( 'image/jpeg' === $mime_type || 'image/png' === $mime_type || 'image/bmp' === $mime_type || 'image/gif' === $mime_type ) { |
| 78 |
$metadata_webp = $metadata; |
| 79 |
$file_webp = $this->change_ext( $metadata['file'], 'webp' ); |
| 80 |
$metadata_webp['file'] = $file_webp; |
| 81 |
foreach ( (array) $metadata['sizes'] as $key => $value ) { |
| 82 |
$file_thumb = $value['file']; |
| 83 |
$file_thumb_webp = $this->change_ext( $file_thumb, 'webp' ); |
| 84 |
$path = $this->upload_dir . '/' . dirname( $file_webp ) . '/'; |
| 85 |
$url = $this->upload_url . '/' . dirname( $file_webp ) . '/'; |
| 86 |
$ret = $this->create_webp( $path . $file_thumb, $mime_type, $path . $file_thumb_webp ); |
| 87 |
if ( $ret ) { |
| 88 |
$metadata_webp['sizes'][ $key ]['file'] = $file_thumb_webp; |
| 89 |
$metadata_webp['sizes'][ $key ]['mime-type'] = 'image/webp'; |
| 90 |
if ( $replace ) { |
| 91 |
unlink( $path . $file_thumb ); |
| 92 |
$this->change_db( $url . $file_thumb, $url . $file_thumb_webp ); |
| 93 |
} |
| 94 |
} |
| 95 |
} |
| 96 |
|
| 97 |
$ret = $this->create_webp( $this->upload_dir . '/' . $metadata['file'], $mime_type, $this->upload_dir . '/' . $file_webp ); |
| 98 |
if ( $ret ) { |
| 99 |
if ( $replace ) { |
| 100 |
$up_post = array( |
| 101 |
'ID' => $attachment_id, |
| 102 |
'guid' => $this->upload_url . '/' . $file_webp, |
| 103 |
'post_mime_type' => 'image/webp', |
| 104 |
); |
| 105 |
wp_update_post( $up_post ); |
| 106 |
update_post_meta( $attachment_id, '_wp_attached_file', $file_webp ); |
| 107 |
update_post_meta( $attachment_id, '_wp_attachment_metadata', $metadata_webp ); |
| 108 |
unlink( $this->upload_dir . '/' . $metadata['file'] ); |
| 109 |
$this->change_db( $this->upload_url . '/' . $metadata['file'], $this->upload_url . '/' . $file_webp ); |
| 110 |
} else { |
| 111 |
$post = get_post( $attachment_id ); |
| 112 |
$title = get_the_title( $post ); |
| 113 |
$attachment = array( |
| 114 |
'guid' => $this->upload_url . '/' . $file_webp, |
| 115 |
'post_mime_type' => 'image/webp', |
| 116 |
'post_title' => $title, |
| 117 |
'post_content' => '', |
| 118 |
'post_status' => 'inherit', |
| 119 |
); |
| 120 |
$attach_id = wp_insert_attachment( $attachment, $this->upload_dir . '/' . $file_webp ); |
| 121 |
wp_update_attachment_metadata( $attach_id, $metadata_webp ); |
| 122 |
|
| 123 |
$author = get_userdata( $post->post_author ); |
| 124 |
$userid = $author->ID; |
| 125 |
$postdate = get_the_date( 'Y-m-d H:i:s', $attachment_id ); |
| 126 |
$postdategmt = get_gmt_from_date( $postdate ); |
| 127 |
$up_post = array( |
| 128 |
'ID' => $attach_id, |
| 129 |
'post_author' => $userid, |
| 130 |
'post_date' => $postdate, |
| 131 |
'post_date_gmt' => $postdategmt, |
| 132 |
'post_modified' => $postdate, |
| 133 |
'post_modified_gmt' => $postdategmt, |
| 134 |
); |
| 135 |
wp_update_post( $up_post ); |
| 136 |
} |
| 137 |
} |
| 138 |
} |
| 139 |
|
| 140 |
return $metadata; |
| 141 |
|
| 142 |
} |
| 143 |
|
| 144 |
/** ================================================== |
| 145 |
* Webp create |
| 146 |
* |
| 147 |
* @param string $filename input filename for pictures. |
| 148 |
* @param string $mime_type mimetype. |
| 149 |
* @param string $filename_webp output filename for webp. |
| 150 |
* @return bool $ret create bool. |
| 151 |
* @since 1.00 |
| 152 |
*/ |
| 153 |
private function create_webp( $filename, $mime_type, $filename_webp ) { |
| 154 |
|
| 155 |
if ( ! file_exists( $filename ) ) { |
| 156 |
return false; |
| 157 |
} |
| 158 |
if ( file_exists( $filename_webp ) ) { |
| 159 |
return false; |
| 160 |
} |
| 161 |
|
| 162 |
$ret = false; |
| 163 |
switch ( $mime_type ) { |
| 164 |
case 'image/jpeg': |
| 165 |
$src = imagecreatefromjpeg( $filename ); |
| 166 |
break; |
| 167 |
case 'image/png': |
| 168 |
$src = imagecreatefrompng( $filename ); |
| 169 |
break; |
| 170 |
case 'image/bmp': |
| 171 |
$src = imagecreatefrombmp( $filename ); |
| 172 |
break; |
| 173 |
case 'image/gif': |
| 174 |
$src = imagecreatefromgif( $filename ); |
| 175 |
break; |
| 176 |
} |
| 177 |
|
| 178 |
$pluswebp_settings = get_option( 'pluswebp' ); |
| 179 |
@set_time_limit( 60 ); |
| 180 |
|
| 181 |
$img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); |
| 182 |
imagefill( $img, 0, 0, imagecolorallocate( $img, 255, 255, 255 ) ); |
| 183 |
imagealphablending( $img, true ); |
| 184 |
imagecopy( $img, $src, 0, 0, 0, 0, imagesx( $src ), imagesy( $src ) ); |
| 185 |
imagedestroy( $src ); |
| 186 |
$ret = imagewebp( $img, $filename_webp, $pluswebp_settings['quality'] ); |
| 187 |
imagedestroy( $img ); |
| 188 |
|
| 189 |
return $ret; |
| 190 |
|
| 191 |
} |
| 192 |
|
| 193 |
/** ================================================== |
| 194 |
* Change ext |
| 195 |
* |
| 196 |
* @param string $before_file_name before_file_name. |
| 197 |
* @param string $ext ext. |
| 198 |
* @return array $after_file_name after_file_name. |
| 199 |
* @since 1.00 |
| 200 |
*/ |
| 201 |
private function change_ext( $before_file_name, $ext ) { |
| 202 |
|
| 203 |
$exts = explode( '.', wp_basename( $before_file_name ) ); |
| 204 |
$file_ext = '.' . end( $exts ); |
| 205 |
$after_file_name = rtrim( $before_file_name, $file_ext ) . '.' . $ext; |
| 206 |
|
| 207 |
return $after_file_name; |
| 208 |
|
| 209 |
} |
| 210 |
|
| 211 |
/** ================================================== |
| 212 |
* Change DB |
| 213 |
* |
| 214 |
* @param string $before_url before_url. |
| 215 |
* @param string $after_url after_url. |
| 216 |
* @since 1.00 |
| 217 |
*/ |
| 218 |
private function change_db( $before_url, $after_url ) { |
| 219 |
|
| 220 |
global $wpdb; |
| 221 |
|
| 222 |
// Replace. |
| 223 |
$sql = $wpdb->prepare( |
| 224 |
"UPDATE `$wpdb->posts` SET post_content = replace(post_content, %s, %s)", |
| 225 |
$before_url, |
| 226 |
$after_url |
| 227 |
); |
| 228 |
$wpdb->query( $sql ); |
| 229 |
|
| 230 |
} |
| 231 |
|
| 232 |
/** ================================================== |
| 233 |
* Upload Path |
| 234 |
* |
| 235 |
* @return array $upload_dir,$upload_url,$upload_path uploadpath. |
| 236 |
* @since 1.00 |
| 237 |
*/ |
| 238 |
public function upload_dir_url_path() { |
| 239 |
|
| 240 |
$wp_uploads = wp_upload_dir(); |
| 241 |
|
| 242 |
$relation_path_true = strpos( $wp_uploads['baseurl'], '../' ); |
| 243 |
if ( $relation_path_true > 0 ) { |
| 244 |
$relationalpath = substr( $wp_uploads['baseurl'], $relation_path_true ); |
| 245 |
$basepath = substr( $wp_uploads['baseurl'], 0, $relation_path_true ); |
| 246 |
$upload_url = $this->realurl( $basepath, $relationalpath ); |
| 247 |
$upload_dir = wp_normalize_path( realpath( $wp_uploads['basedir'] ) ); |
| 248 |
} else { |
| 249 |
$upload_url = $wp_uploads['baseurl']; |
| 250 |
$upload_dir = wp_normalize_path( $wp_uploads['basedir'] ); |
| 251 |
} |
| 252 |
|
| 253 |
if ( is_ssl() ) { |
| 254 |
$upload_url = str_replace( 'http:', 'https:', $upload_url ); |
| 255 |
} |
| 256 |
|
| 257 |
if ( $relation_path_true > 0 ) { |
| 258 |
$upload_path = $relationalpath; |
| 259 |
} else { |
| 260 |
$upload_path = str_replace( site_url( '/' ), '', $upload_url ); |
| 261 |
} |
| 262 |
|
| 263 |
$upload_dir = untrailingslashit( $upload_dir ); |
| 264 |
$upload_url = untrailingslashit( $upload_url ); |
| 265 |
$upload_path = untrailingslashit( $upload_path ); |
| 266 |
|
| 267 |
return array( $upload_dir, $upload_url, $upload_path ); |
| 268 |
|
| 269 |
} |
| 270 |
|
| 271 |
} |
| 272 |
|
| 273 |
|
| 274 |
|
