| 1 |
<?php |
| 2 |
|
| 3 |
if (!defined('WPO_VERSION')) die('No direct access allowed'); |
| 4 |
|
| 5 |
/** |
| 6 |
* This class invokes optimiazations. The optimizations themselves live in the 'optimizations' sub-directory of the plugin. The proper way to obtain access to the instance is via WP_Optimize()->get_optimizer() |
| 7 |
*/ |
| 8 |
class WP_Optimizer { |
| 9 |
|
| 10 |
public function get_retain_info() { |
| 11 |
|
| 12 |
$options = WP_Optimize()->get_options(); |
| 13 |
|
| 14 |
$retain_enabled = $options->get_option('retention-enabled', 'false'); |
| 15 |
$retain_period = (($retain_enabled) ? $options->get_option('retention-period', '2') : null); |
| 16 |
|
| 17 |
return array($retain_enabled, $retain_period); |
| 18 |
} |
| 19 |
|
| 20 |
public function get_optimizations_list() { |
| 21 |
|
| 22 |
$optimizations = array(); |
| 23 |
|
| 24 |
$optimizations_dir = WPO_PLUGIN_MAIN_PATH.'/optimizations'; |
| 25 |
|
| 26 |
if ($dh = opendir($optimizations_dir)) { |
| 27 |
while (($file = readdir($dh)) !== false) { |
| 28 |
if ('.' == $file || '..' == $file || '.php' != substr($file, -4, 4) || !is_file($optimizations_dir.'/'.$file) || 'inactive-' == substr($file, 0, 9)) continue; |
| 29 |
$optimizations[] = substr($file, 0, (strlen($file) - 4)); |
| 30 |
} |
| 31 |
closedir($dh); |
| 32 |
} |
| 33 |
|
| 34 |
return apply_filters('wp_optimize_get_optimizations_list', $optimizations); |
| 35 |
|
| 36 |
} |
| 37 |
|
| 38 |
/** |
| 39 |
* Currently, there is only one sort rule (so, the parameter's value is ignored) |
| 40 |
* |
| 41 |
* @param array $optimizations An array of optimizations (i.e. WP_Optimization instances). |
| 42 |
* @param string $sort_on Specify sort. |
| 43 |
* @param string $sort_rule Sort Rule. |
| 44 |
* @return array |
| 45 |
*/ |
| 46 |
public function sort_optimizations($optimizations, $sort_on = 'ui_sort_order', $sort_rule = 'traditional') { |
| 47 |
if ('run_sort_order' == $sort_on) { |
| 48 |
uasort($optimizations, array($this, 'sort_optimizations_run_traditional')); |
| 49 |
} else { |
| 50 |
uasort($optimizations, array($this, 'sort_optimizations_ui_traditional')); |
| 51 |
} |
| 52 |
return $optimizations; |
| 53 |
} |
| 54 |
|
| 55 |
public function sort_optimizations_ui_traditional($a, $b) { |
| 56 |
return $this->sort_optimizations_traditional($a, $b, 'ui_sort_order'); |
| 57 |
} |
| 58 |
|
| 59 |
public function sort_optimizations_run_traditional($a, $b) { |
| 60 |
return $this->sort_optimizations_traditional($a, $b, 'run_sort_order'); |
| 61 |
} |
| 62 |
|
| 63 |
public function sort_optimizations_traditional($a, $b, $sort_on = 'ui_sort_order') { |
| 64 |
|
| 65 |
if (!is_a($a, 'WP_Optimization')) return (!is_a($b, 'WP_Optimization')) ? 0 : 1; |
| 66 |
if (!is_a($b, 'WP_Optimization')) return -1; |
| 67 |
|
| 68 |
$sort_order_a = empty($a->$sort_on) ? 0 : $a->$sort_on; |
| 69 |
$sort_order_b = empty($b->$sort_on) ? 0 : $b->$sort_on; |
| 70 |
|
| 71 |
if ($sort_order_a == $sort_order_b) return 0; |
| 72 |
|
| 73 |
return ($sort_order_a < $sort_order_b) ? (-1) : 1; |
| 74 |
|
| 75 |
} |
| 76 |
|
| 77 |
/** |
| 78 |
* This method returns an array of available optimizations. |
| 79 |
* Each array key is an optimization ID, and the value is an object, |
| 80 |
* as returned by get_optimization() |
| 81 |
* |
| 82 |
* @return [array] array of optimizations |
| 83 |
*/ |
| 84 |
public function get_optimizations() { |
| 85 |
|
| 86 |
$optimizations = $this->get_optimizations_list(); |
| 87 |
|
| 88 |
$optimization_objects = array(); |
| 89 |
|
| 90 |
foreach ($optimizations as $optimization) { |
| 91 |
$optimization_objects[$optimization] = $this->get_optimization($optimization); |
| 92 |
} |
| 93 |
|
| 94 |
return apply_filters('wp_optimize_get_optimizations', $optimization_objects); |
| 95 |
|
| 96 |
} |
| 97 |
|
| 98 |
/** |
| 99 |
* This method returns an object for a specific optimization. |
| 100 |
* |
| 101 |
* @param string $which_optimization An optimization ID. |
| 102 |
* @param array $data An array of anny options $data. |
| 103 |
* @return array WP_Error Will return the optimization, or a WP_Error object if it was not found. |
| 104 |
*/ |
| 105 |
public function get_optimization($which_optimization, $data = array()) { |
| 106 |
|
| 107 |
$optimization_class = apply_filters('wp_optimize_optimization_class', 'WP_Optimization_'.$which_optimization); |
| 108 |
|
| 109 |
if (!class_exists('WP_Optimization')) include_once(WPO_PLUGIN_MAIN_PATH.'/includes/class-wp-optimization.php'); |
| 110 |
|
| 111 |
if (!class_exists($optimization_class)) { |
| 112 |
$optimization_file = WPO_PLUGIN_MAIN_PATH.'/optimizations/'.$which_optimization.'.php'; |
| 113 |
$class_file = apply_filters('wp_optimize_optimization_class_file', $optimization_file); |
| 114 |
if (!preg_match('/^[a-z]+$/', $which_optimization) || !file_exists($class_file)) { |
| 115 |
return new WP_Error('no_such_optimization', __('No such optimization', 'wp-optimize'), $which_optimization); |
| 116 |
} |
| 117 |
|
| 118 |
include_once($class_file); |
| 119 |
|
| 120 |
if (!class_exists($optimization_class)) { |
| 121 |
return new WP_Error('no_such_optimization', __('No such optimization', 'wp-optimize'), $which_optimization); |
| 122 |
} |
| 123 |
} |
| 124 |
|
| 125 |
// set sites option for Multisite cron job. |
| 126 |
if (defined('DOING_CRON') && DOING_CRON && is_multisite()) { |
| 127 |
$options = WP_Optimize()->get_options(); |
| 128 |
$data['optimization_sites'] = $options->get_option('wpo-sites-cron', array('all')); |
| 129 |
} |
| 130 |
|
| 131 |
$optimization = new $optimization_class($data); |
| 132 |
|
| 133 |
return $optimization; |
| 134 |
|
| 135 |
} |
| 136 |
|
| 137 |
/** |
| 138 |
* The method to call to perform an optimization. |
| 139 |
* |
| 140 |
* @param string|object $which_optimization An optimization ID, or a WP_Optimization object. |
| 141 |
* @return array Array of results from the optimization. |
| 142 |
*/ |
| 143 |
public function do_optimization($which_optimization) { |
| 144 |
|
| 145 |
$optimization = (is_object($which_optimization) && is_a($which_optimization, 'WP_Optimization')) ? $which_optimization : $this->get_optimization($which_optimization); |
| 146 |
|
| 147 |
if (is_wp_error($optimization)) { |
| 148 |
WP_Optimize()->log('Error occurred. Unknown optimization.'); |
| 149 |
return $optimization; |
| 150 |
} |
| 151 |
|
| 152 |
$this->change_time_limit(); |
| 153 |
|
| 154 |
$optimization->init(); |
| 155 |
|
| 156 |
if (apply_filters('wp_optimize_do_optimization', true, $which_optimization, $optimization)) { |
| 157 |
|
| 158 |
$optimization->before_optimize(); |
| 159 |
|
| 160 |
if ($optimization->run_multisite) { |
| 161 |
foreach ($optimization->blogs_ids as $blog_id) { |
| 162 |
$optimization->switch_to_blog($blog_id); |
| 163 |
$optimization->optimize(); |
| 164 |
$optimization->restore_current_blog(); |
| 165 |
} |
| 166 |
} else { |
| 167 |
$optimization->optimize(); |
| 168 |
} |
| 169 |
|
| 170 |
$optimization->after_optimize(); |
| 171 |
|
| 172 |
} |
| 173 |
|
| 174 |
do_action('wp_optimize_after_optimization', $which_optimization, $optimization); |
| 175 |
|
| 176 |
$results = $optimization->get_results(); |
| 177 |
|
| 178 |
return $results; |
| 179 |
} |
| 180 |
|
| 181 |
/** |
| 182 |
* The method to call to get information about an optimization. |
| 183 |
* As with do_optimization, it is somewhat modelled after the template interface |
| 184 |
* |
| 185 |
* @param string|object $which_optimization An optimization ID, or a WP_Optimization object. |
| 186 |
* @return array returns the optimization information |
| 187 |
*/ |
| 188 |
public function get_optimization_info($which_optimization) { |
| 189 |
|
| 190 |
$optimization = (is_object($which_optimization) && is_a($which_optimization, 'WP_Optimization')) ? $which_optimization : $this->get_optimization($which_optimization); |
| 191 |
|
| 192 |
if (is_wp_error($optimization)) return $optimization; |
| 193 |
|
| 194 |
$this->change_time_limit(); |
| 195 |
|
| 196 |
$optimization->before_get_info(); |
| 197 |
|
| 198 |
if ($optimization->run_multisite) { |
| 199 |
foreach ($optimization->blogs_ids as $blog_id) { |
| 200 |
$optimization->switch_to_blog($blog_id); |
| 201 |
$optimization->get_info(); |
| 202 |
$optimization->restore_current_blog(); |
| 203 |
} |
| 204 |
} else { |
| 205 |
$optimization->get_info(); |
| 206 |
} |
| 207 |
|
| 208 |
$optimization->after_get_info(); |
| 209 |
|
| 210 |
return $optimization->get_results(); |
| 211 |
} |
| 212 |
|
| 213 |
/** |
| 214 |
* THis runs the list of optimizations. |
| 215 |
* |
| 216 |
* @param array $optimization_options Whether to do an optimization depends on what keys are set (legacy - can be changed hopefully). |
| 217 |
* @param string $which_option Specify which option. |
| 218 |
* @return array Returns an array of result objects. |
| 219 |
*/ |
| 220 |
public function do_optimizations($optimization_options, $which_option = 'dom') { |
| 221 |
|
| 222 |
$results = array(); |
| 223 |
|
| 224 |
if (empty($optimization_options)) return $results; |
| 225 |
|
| 226 |
$optimizations = $this->sort_optimizations($this->get_optimizations(), 'run_sort_order'); |
| 227 |
|
| 228 |
foreach ($optimizations as $optimization_id => $optimization) { |
| 229 |
$option_id = call_user_func(array($optimization, 'get_'.$which_option.'_id')); |
| 230 |
|
| 231 |
if (isset($optimization_options[$option_id])) { |
| 232 |
// if options saved as a string then compare with string (for support different versions) |
| 233 |
if (is_string($optimization_options[$option_id]) && 'false' === $optimization_options[$option_id]) continue; |
| 234 |
|
| 235 |
if ('auto' == $which_option && empty($optimization->available_for_auto)) continue; |
| 236 |
|
| 237 |
$this->change_time_limit(); |
| 238 |
|
| 239 |
$results[$optimization_id] = $this->do_optimization($optimization); |
| 240 |
} |
| 241 |
} |
| 242 |
|
| 243 |
// Run action after all optimizations completed. |
| 244 |
do_action('wp_optimize_after_optimizations'); |
| 245 |
|
| 246 |
return $results; |
| 247 |
|
| 248 |
} |
| 249 |
|
| 250 |
public function get_table_prefix($allow_override = false) { |
| 251 |
$wpdb = $GLOBALS['wpdb']; |
| 252 |
if (is_multisite() && !defined('MULTISITE')) { |
| 253 |
// In this case (which should only be possible on installs upgraded from pre WP 3.0 WPMU), $wpdb->get_blog_prefix() cannot be made to return the right thing. $wpdb->base_prefix is not explicitly marked as public, so we prefer to use get_blog_prefix if we can, for future compatibility. |
| 254 |
$prefix = $wpdb->base_prefix; |
| 255 |
} else { |
| 256 |
$prefix = $wpdb->get_blog_prefix(0); |
| 257 |
} |
| 258 |
return ($allow_override) ? apply_filters('wp_optimize_get_table_prefix', $prefix) : $prefix; |
| 259 |
} |
| 260 |
|
| 261 |
/** |
| 262 |
* Returns information about database tables. |
| 263 |
* |
| 264 |
* @return mixed |
| 265 |
*/ |
| 266 |
public function get_tables() { |
| 267 |
static $tables_info = null; |
| 268 |
|
| 269 |
if (null !== $tables_info) return $tables_info; |
| 270 |
|
| 271 |
$table_status = WP_Optimize()->get_db_info()->get_show_table_status(); |
| 272 |
|
| 273 |
// Filter on the site's DB prefix (was not done in releases up to 1.9.1). |
| 274 |
$table_prefix = $this->get_table_prefix(); |
| 275 |
|
| 276 |
if (is_array($table_status)) { |
| 277 |
foreach ($table_status as $index => $table) { |
| 278 |
$table_name = $table->Name; |
| 279 |
|
| 280 |
$include_table = (0 === stripos($table_name, $table_prefix)); |
| 281 |
|
| 282 |
$include_table = apply_filters('wp_optimize_get_tables_include_table', $include_table, $table_name, $table_prefix); |
| 283 |
|
| 284 |
if (!$include_table) { |
| 285 |
unset($table_status[$index]); |
| 286 |
continue; |
| 287 |
} |
| 288 |
|
| 289 |
$table_status[$index]->Engine = WP_Optimize()->get_db_info()->get_table_type($table_name); |
| 290 |
|
| 291 |
$table_status[$index]->is_optimizable = WP_Optimize()->get_db_info()->is_table_optimizable($table_name); |
| 292 |
$table_status[$index]->is_type_supported = WP_Optimize()->get_db_info()->is_table_type_optimize_supported($table_name); |
| 293 |
// add information about corrupted tables. |
| 294 |
$table_status[$index]->is_needing_repair = WP_Optimize()->get_db_info()->is_table_needing_repair($table_name); |
| 295 |
// add information about using table by any of installed plugins. |
| 296 |
$table_status[$index]->plugin = WP_Optimize()->get_db_info()->get_table_plugin($table_name); |
| 297 |
$table_status[$index]->is_using = WP_Optimize()->get_db_info()->is_table_using_by_plugin($table_name); |
| 298 |
// if table belongs to any plugin then add plugins status. |
| 299 |
if ($table_status[$index]->plugin) { |
| 300 |
$table_status[$index]->plugin_status = WP_Optimize()->get_db_info()->get_plugin_status($table_status[$index]->plugin); |
| 301 |
} |
| 302 |
} |
| 303 |
} |
| 304 |
|
| 305 |
$tables_info = apply_filters('wp_optimize_get_tables', $table_status); |
| 306 |
return $tables_info; |
| 307 |
} |
| 308 |
|
| 309 |
/** |
| 310 |
* Returns information about single table by table name. |
| 311 |
* |
| 312 |
* @param String $table_name table name |
| 313 |
* @return Object|Boolean table information object. |
| 314 |
*/ |
| 315 |
public function get_table($table_name) { |
| 316 |
|
| 317 |
$db_info = WP_Optimize()->get_db_info(); |
| 318 |
|
| 319 |
$table = $db_info->get_table_status($table_name); |
| 320 |
|
| 321 |
if (false === $table) return false; |
| 322 |
|
| 323 |
$table->is_optimizable = $db_info->is_table_optimizable($table_name); |
| 324 |
$table->is_type_supported = $db_info->is_table_type_optimize_supported($table_name); |
| 325 |
$table->is_needing_repair = $db_info->is_table_needing_repair($table_name); |
| 326 |
|
| 327 |
// add information about using table by any of installed plugins. |
| 328 |
$table->plugin = $db_info->get_table_plugin($table_name); |
| 329 |
$table->is_using = $db_info->is_table_using_by_plugin($table_name); |
| 330 |
// if table belongs to any plugin then add plugins status. |
| 331 |
if ($table->plugin) { |
| 332 |
$table->plugin_status = $db_info->get_plugin_status($table->plugin); |
| 333 |
} |
| 334 |
|
| 335 |
$table = apply_filters('wp_optimize_get_table', $table); |
| 336 |
return $table; |
| 337 |
} |
| 338 |
|
| 339 |
/** |
| 340 |
* This function grabs a list of tables |
| 341 |
* and information regarding each table and returns |
| 342 |
* the results to optimizations-table.php and optimizationstable.php |
| 343 |
* |
| 344 |
* @return Array - an array of data such as table list, innodb info and data free |
| 345 |
*/ |
| 346 |
public function get_table_information() { |
| 347 |
// Get table information. |
| 348 |
$tablesstatus = $this->get_tables(); |
| 349 |
|
| 350 |
// Set defaults. |
| 351 |
$table_information = array(); |
| 352 |
$table_information['total_gain'] = 0; |
| 353 |
$table_information['inno_db_tables'] = 0; |
| 354 |
$table_information['non_inno_db_tables'] = 0; |
| 355 |
$table_information['table_list'] = ''; |
| 356 |
$table_information['is_optimizable'] = true; |
| 357 |
|
| 358 |
// Make a list of tables to optimize. |
| 359 |
foreach ($tablesstatus as $each_table) { |
| 360 |
$table_information['table_list'] .= $each_table->Name.'|'; |
| 361 |
|
| 362 |
// check if table type supported. |
| 363 |
if (!$each_table->is_type_supported) continue; |
| 364 |
|
| 365 |
// check if table is optimizable. |
| 366 |
if (!$each_table->is_optimizable) { |
| 367 |
$table_information['is_optimizable'] = false; |
| 368 |
} |
| 369 |
|
| 370 |
// calculate total gain value. |
| 371 |
$table_information['total_gain'] += $each_table->Data_free; |
| 372 |
|
| 373 |
// count InnoDB tables. |
| 374 |
if ('InnoDB' == $each_table->Engine) { |
| 375 |
$table_information['inno_db_tables']++; |
| 376 |
} else { |
| 377 |
$table_information['non_inno_db_tables']++; |
| 378 |
} |
| 379 |
} |
| 380 |
return $table_information; |
| 381 |
} |
| 382 |
|
| 383 |
/** |
| 384 |
* What sort of linkback to enable or disable: valid values are 'trackbacks' or 'comments', and whether to enable or disable. |
| 385 |
* |
| 386 |
* @param string $type Specify the type of linkbacks. |
| 387 |
* @param boolean $enable If it is enabled or disabled. |
| 388 |
*/ |
| 389 |
public function enable_linkbacks($type, $enable = true) { |
| 390 |
|
| 391 |
$wpdb = $GLOBALS['wpdb']; |
| 392 |
|
| 393 |
$new_status = $enable ? 'open' : 'closed'; |
| 394 |
|
| 395 |
switch ($type) { |
| 396 |
case "trackbacks": |
| 397 |
$thissql = "UPDATE `".$wpdb->posts."` SET ping_status='".$new_status."' WHERE post_status = 'publish' AND post_type = 'post';"; |
| 398 |
$trackbacks = $wpdb->query($thissql); |
| 399 |
break; |
| 400 |
|
| 401 |
case "comments": |
| 402 |
$thissql = "UPDATE `".$wpdb->posts."` SET comment_status='".$new_status."' WHERE post_status = 'publish' AND post_type = 'post';"; |
| 403 |
$comments = $wpdb->query($thissql); |
| 404 |
break; |
| 405 |
|
| 406 |
default: |
| 407 |
break; |
| 408 |
} |
| 409 |
|
| 410 |
} |
| 411 |
|
| 412 |
/** |
| 413 |
* This function will return total database size and a possible gain of db in KB. |
| 414 |
* |
| 415 |
* @return string total db size gained. |
| 416 |
*/ |
| 417 |
public function get_current_db_size() { |
| 418 |
|
| 419 |
$wp_optimize = WP_Optimize(); |
| 420 |
|
| 421 |
$wpdb = $GLOBALS['wpdb']; |
| 422 |
$total_gain = 0; |
| 423 |
$total_size = 0; |
| 424 |
$no = 0; |
| 425 |
$row_usage = 0; |
| 426 |
$data_usage = 0; |
| 427 |
$index_usage = 0; |
| 428 |
$overhead_usage = 0; |
| 429 |
|
| 430 |
$tablesstatus = $this->get_tables(); |
| 431 |
|
| 432 |
foreach ($tablesstatus as $tablestatus) { |
| 433 |
$row_usage += $tablestatus->Rows; |
| 434 |
$data_usage += $tablestatus->Data_length; |
| 435 |
$index_usage += $tablestatus->Index_length; |
| 436 |
|
| 437 |
if ('InnoDB' != $tablestatus->Engine) { |
| 438 |
$overhead_usage += $tablestatus->Data_free; |
| 439 |
$total_gain += $tablestatus->Data_free; |
| 440 |
} |
| 441 |
} |
| 442 |
|
| 443 |
$total_size = ($data_usage + $index_usage); |
| 444 |
return array($wp_optimize->format_size($total_size), $wp_optimize->format_size($total_gain)); |
| 445 |
} |
| 446 |
|
| 447 |
/** |
| 448 |
* This function will return total saved data in KB. |
| 449 |
* |
| 450 |
* @param string $current How big the data is. |
| 451 |
* @return string Returns new total value. |
| 452 |
*/ |
| 453 |
public function update_total_cleaned($current) { |
| 454 |
|
| 455 |
$options = WP_Optimize()->get_options(); |
| 456 |
|
| 457 |
$previously_saved = floatval($options->get_option('total-cleaned', '0')); |
| 458 |
$converted_current = floatval($current); |
| 459 |
|
| 460 |
$total_now = strval($previously_saved + $converted_current); |
| 461 |
|
| 462 |
$options->update_option('total-cleaned', $total_now); |
| 463 |
|
| 464 |
return $total_now; |
| 465 |
} |
| 466 |
|
| 467 |
|
| 468 |
public function trackback_comment_actions($options) { |
| 469 |
|
| 470 |
$output = array(); |
| 471 |
|
| 472 |
if (isset($options['comments'])) { |
| 473 |
if (!$options['comments']) { |
| 474 |
$this->enable_linkbacks('comments', false); |
| 475 |
$output[] = __('Comments have now been disabled on all current and previously published posts.', 'wp-optimize'); |
| 476 |
} else { |
| 477 |
$this->enable_linkbacks('comments'); |
| 478 |
$output[] = __('Comments have now been enabled on all current and previously published posts.', 'wp-optimize'); |
| 479 |
} |
| 480 |
} |
| 481 |
|
| 482 |
if (isset($options['trackbacks'])) { |
| 483 |
if (!$options['trackbacks']) { |
| 484 |
$this->enable_linkbacks('trackbacks', false); |
| 485 |
$output[] = __('Trackbacks have now been disabled on all current and previously published posts.', 'wp-optimize'); |
| 486 |
} else { |
| 487 |
$this->enable_linkbacks('trackbacks'); |
| 488 |
$output[] = __('Trackbacks have now been enabled on all current and previously published posts.', 'wp-optimize'); |
| 489 |
} |
| 490 |
} |
| 491 |
|
| 492 |
return array('output' => $output); |
| 493 |
} |
| 494 |
|
| 495 |
/** |
| 496 |
* Try to change PHP script time limit. |
| 497 |
*/ |
| 498 |
private function change_time_limit() { |
| 499 |
$time_limit = (defined('WP_OPTIMIZE_SET_TIME_LIMIT') && WP_OPTIMIZE_SET_TIME_LIMIT > 15) ? WP_OPTIMIZE_SET_TIME_LIMIT : 1800; |
| 500 |
|
| 501 |
// Try to reduce the chances of PHP self-terminating via reaching max_execution_time. |
| 502 |
// @codingStandardsIgnoreLine |
| 503 |
@set_time_limit($time_limit); |
| 504 |
} |
| 505 |
} |
| 506 |
|
