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651 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Author: Mikołaj `iClyde` Chodorowski |
| 5 | * Contact: kontakt@iclyde.pl |
| 6 | * Package: Backup Migration – WP Plugin |
| 7 | */ |
| 8 | |
| 9 | // Namespace |
| 10 | namespace BMI\Plugin\Database; |
| 11 | |
| 12 | // Use |
| 13 | use BMI\Plugin\BMI_Logger AS Logger; |
| 14 | use BMI\Plugin\Progress\BMI_ZipProgress AS Progress; |
| 15 | use BMI\Plugin\Dashboard AS Dashboard; |
| 16 | use BMI\Plugin\Staging\BMI_Staging as Staging; |
| 17 | |
| 18 | // Exit on direct access |
| 19 | if (!defined('ABSPATH')) exit; |
| 20 | |
| 21 | // echo "Memory usage at the beginning: " . (memory_get_usage() / 1024 / 1024) . " MB \n"; |
| 22 | // function bmi_find_wordpress_base_path() { |
| 23 | // |
| 24 | // $dir = dirname(__FILE__); |
| 25 | // $previous = null; |
| 26 | // |
| 27 | // do { |
| 28 | // |
| 29 | // if (file_exists($dir . '/wp-config.php')) return $dir; |
| 30 | // if ($previous == $dir) break; |
| 31 | // $previous = $dir; |
| 32 | // |
| 33 | // } while ($dir = dirname($dir)); |
| 34 | // |
| 35 | // return null; |
| 36 | // |
| 37 | // } |
| 38 | // |
| 39 | // define('BASE_PATH', bmi_find_wordpress_base_path() . '/'); |
| 40 | // define('WP_USE_THEMES', false); |
| 41 | // |
| 42 | // // Use WP Globals and load WordPress |
| 43 | // global $wp, $wp_query, $wp_the_query, $wp_rewrite, $wp_did_header; |
| 44 | // require_once BASE_PATH . 'wp-load.php'; |
| 45 | // echo "Memory usage after core load: " . (memory_get_usage() / 1024 / 1024) . " MB \n"; |
| 46 | // ini_set('memory_limit', '2M'); |
| 47 | |
| 48 | /** |
| 49 | * Database exporting |
| 50 | * Main Class, requires $wpdb |
| 51 | */ |
| 52 | class BMI_Database_Exporter { |
| 53 | |
| 54 | /** |
| 55 | * Private local variables |
| 56 | */ |
| 57 | private $total_tables = 0; |
| 58 | private $recipes = []; |
| 59 | private $tables_by_size = []; |
| 60 | public $total_queries = 0; |
| 61 | public $total_rows = 0; |
| 62 | public $total_size = 0; |
| 63 | public $files = []; |
| 64 | |
| 65 | public $wpdb; |
| 66 | public $logger; |
| 67 | public $storage; |
| 68 | public $percentage; |
| 69 | public $max_rows; |
| 70 | public $max_query_size; |
| 71 | public $table_prefix; |
| 72 | public $init_start; |
| 73 | public $isPostRevisionsExcluded = false; |
| 74 | |
| 75 | /** |
| 76 | * __construct - Initialization and logger resolver |
| 77 | * |
| 78 | * @return self |
| 79 | */ |
| 80 | function __construct($storage, &$logger, $batcher = false, $backupStart = false) { |
| 81 | |
| 82 | /** |
| 83 | * WP Global Database variable |
| 84 | */ |
| 85 | global $wpdb; |
| 86 | $this->wpdb = &$wpdb; |
| 87 | |
| 88 | /** |
| 89 | * Logger of BMI core |
| 90 | */ |
| 91 | $this->logger = &$logger; |
| 92 | |
| 93 | /** |
| 94 | * Storage directory |
| 95 | */ |
| 96 | // $this->storage = trailingslashit(__DIR__) . 'data'; |
| 97 | $this->storage = $storage; |
| 98 | |
| 99 | /** |
| 100 | * Percentage escape to replace |
| 101 | * This way we know what the randomized string is |
| 102 | */ |
| 103 | $this->percentage = trim($this->wpdb->prepare('%s', '%'), "'"); |
| 104 | |
| 105 | /** |
| 106 | * Max rows to pass each query |
| 107 | */ |
| 108 | $this->max_rows = BMI_DB_MAX_ROWS_PER_QUERY; |
| 109 | |
| 110 | /** |
| 111 | * Max size in bytes of single query export/import |
| 112 | */ |
| 113 | $this->max_query_size = 1 * 1024 * 1024; |
| 114 | |
| 115 | $this->table_prefix = time(); |
| 116 | if ($backupStart && $backupStart !== false && is_numeric($backupStart)) { |
| 117 | $this->table_prefix = $backupStart; |
| 118 | } |
| 119 | $this->init_start = microtime(true); |
| 120 | if ($batcher === false || $batcher === 0) { |
| 121 | $this->logger->log("Memory usage after initialization: " . number_format(memory_get_usage() / 1024 / 1024, 2) . " MB", 'INFO'); |
| 122 | } |
| 123 | |
| 124 | $isSmartExclusion =defined("BMI_BACKUP_PRO") && BMI_BACKUP_PRO && Dashboard\bmi_get_config('SMART:EXCLUSION:ENABLED') == 'true' ? true : false; |
| 125 | $this->isPostRevisionsExcluded = $isSmartExclusion &&(Dashboard\bmi_get_config('SMART:EXCLUSION:PREVISIONS') == 'true' ? true : false); |
| 126 | |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * export - Export initializer |
| 131 | * |
| 132 | * @return filename/filenames |
| 133 | */ |
| 134 | public function export($batchingStep = false, $indexEnded = 0) { |
| 135 | |
| 136 | // Table names |
| 137 | $this->get_table_names_and_sizes($batchingStep); |
| 138 | if ($batchingStep === false || $batchingStep === 0) { |
| 139 | $this->logger->log("Scan found $this->total_tables tables ($this->total_rows rows), estimated total size: $this->total_size MB.", 'INFO'); |
| 140 | $this->logger->log("Memory usage after getting table names: " . number_format(memory_get_usage() / 1024 / 1024, 2) . " MB ", 'INFO'); |
| 141 | } |
| 142 | |
| 143 | // Recipes |
| 144 | if ($batchingStep === false || $batchingStep === 0) { |
| 145 | $this->logger->log("Getting table recipes...", 'INFO'); |
| 146 | $this->table_recipes(); |
| 147 | $this->logger->log("Table recipes have been exported.", 'INFO'); |
| 148 | $this->logger->log("Memory usage after loading recipes: " . number_format(memory_get_usage() / 1024 / 1024, 2) . " MB ", 'INFO'); |
| 149 | } |
| 150 | |
| 151 | // Save Recipes |
| 152 | if ($batchingStep === false || $batchingStep === 0) { |
| 153 | $this->logger->log("Saving recipes...", 'INFO'); |
| 154 | $this->save_recipes(); |
| 155 | $this->logger->log("Recipes saved.", 'INFO'); |
| 156 | $this->logger->log("Memory usage after recipe off-load: " . number_format(memory_get_usage() / 1024 / 1024, 2) . " MB", 'INFO'); |
| 157 | } |
| 158 | |
| 159 | // Tables data |
| 160 | if ($batchingStep === false || $batchingStep === 0) { |
| 161 | $this->logger->log("Exporting table data...", 'INFO'); |
| 162 | } |
| 163 | $finishedAt = $this->get_tables_data($batchingStep, $indexEnded); |
| 164 | if ($batchingStep === false || $finishedAt['dumpCompleted'] === true) { |
| 165 | $this->logger->log("Table data exported.", 'INFO'); |
| 166 | $this->logger->log("Memory usage after data export: " . number_format(memory_get_usage() / 1024 / 1024, 2) . " MB", 'INFO'); |
| 167 | } |
| 168 | |
| 169 | if ($batchingStep === false) { |
| 170 | $end = number_format(microtime(true) - $this->init_start, 4); |
| 171 | $this->logger->log("Entire process took: $end s", 'INFO'); |
| 172 | } |
| 173 | |
| 174 | return $finishedAt; |
| 175 | |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * getPrefixesOfStagingSitesTables - Gets database prefixes of staging sites |
| 180 | * |
| 181 | * @return {array} of prefixes (can be empty) |
| 182 | */ |
| 183 | private function getPrefixesOfStagingSitesTables() { |
| 184 | |
| 185 | global $table_prefix; |
| 186 | |
| 187 | require_once BMI_INCLUDES . '/staging/controller.php'; |
| 188 | $staging = new Staging('..ajax..'); |
| 189 | $stagingSites = $staging->getStagingSites(true); |
| 190 | $prefixes = []; |
| 191 | |
| 192 | foreach ($stagingSites as $name => $data) { |
| 193 | if (!isset($data['db_prefix'])) continue; |
| 194 | if (!$data['db_prefix']) continue; |
| 195 | if (trim(strtolower($data['db_prefix'])) == '') continue; |
| 196 | if (trim(strtolower($data['db_prefix'])) == trim(strtolower($table_prefix))) continue; |
| 197 | if (isset($data['db_prefix'])) $prefixes[] = $data['db_prefix']; |
| 198 | } |
| 199 | |
| 200 | return $prefixes; |
| 201 | |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * checkIfTableIsPartOfStaging - Compares table prefix with staging site prefixes |
| 206 | * |
| 207 | * @return {bool} true/false |
| 208 | */ |
| 209 | private function checkIfTableIsPartOfStaging(&$stagingSitePrefixes, $table) { |
| 210 | |
| 211 | for ($i = 0; $i < sizeof($stagingSitePrefixes); ++$i) { |
| 212 | $prefix = $stagingSitePrefixes[$i]; |
| 213 | if (substr($table, 0, strlen($prefix)) == $prefix) return true; |
| 214 | } |
| 215 | |
| 216 | return false; |
| 217 | |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * get_table_names_and_sizes - Gets table names and sizes |
| 222 | * |
| 223 | * @return {array} associative array table_name => [size => its size in MB, rows => rows count] |
| 224 | */ |
| 225 | private function get_table_names_and_sizes($batchingStep) { |
| 226 | |
| 227 | $tables = $this->wpdb->get_results('SHOW TABLES'); |
| 228 | $shouldExcludeTables = Dashboard\bmi_get_config('BACKUP:DATABASE:EXCLUDE'); |
| 229 | $stagingPrefixes = $this->getPrefixesOfStagingSitesTables(); |
| 230 | |
| 231 | $excludedTables = []; |
| 232 | $excludedTables = Dashboard\bmi_get_config('BACKUP:DATABASE:EXCLUDE:LIST'); |
| 233 | if (!is_array($excludedTables) || empty($excludedTables)) $excludedTables = []; |
| 234 | |
| 235 | foreach ($tables as $table_index => $table_object) { |
| 236 | foreach ($table_object as $database_name => $table_name) { |
| 237 | |
| 238 | if (in_array($table_name, $excludedTables) && $shouldExcludeTables == 'true') { |
| 239 | $str = __('Excluding %s table from backup (due to exclusion rules).', 'backup-backup'); |
| 240 | $str = str_replace('%s', $table_name, $str); |
| 241 | if ($batchingStep === false || intval($batchingStep) === 0) $this->logger->log($str, 'INFO'); |
| 242 | continue; |
| 243 | } |
| 244 | |
| 245 | if ($this->checkIfTableIsPartOfStaging($stagingPrefixes, $table_name)) { |
| 246 | $str = __('Excluding %s table from backup (as it is part of staging site).', 'backup-backup'); |
| 247 | $str = str_replace('%s', $table_name, $str); |
| 248 | if ($batchingStep === false || intval($batchingStep) === 0) $this->logger->log($str, 'INFO'); |
| 249 | continue; |
| 250 | } |
| 251 | |
| 252 | $query = "SELECT table_name AS `table`, round(((data_length + index_length) / 1024 / 1024), 2) AS `size`, "; |
| 253 | $query .= "(SELECT COUNT(*) FROM `$table_name`) AS `rows`"; |
| 254 | $query .= "FROM information_schema.TABLES "; |
| 255 | $query .= "WHERE table_schema = %s AND table_name = %s"; |
| 256 | |
| 257 | if ($this->isPostRevisionsExcluded && ($table_name == $this->wpdb->posts || $table_name == $this->wpdb->postmeta) && has_filter('bmip_smart_exclusion_post_revisions_count')) { |
| 258 | $query = apply_filters('bmip_smart_exclusion_post_revisions_count', $query, $table_name); |
| 259 | } |
| 260 | |
| 261 | $results = $this->wpdb->get_results($this->wpdb->prepare($query, DB_NAME, $table_name)); |
| 262 | |
| 263 | if (!is_object($results[0])) { |
| 264 | if ($batchingStep === false || intval($batchingStep) === 0) { |
| 265 | $this->logger->log("Could not get info about: $table_name (#01)", 'WARN'); |
| 266 | } |
| 267 | continue; |
| 268 | } |
| 269 | |
| 270 | $table_name_returned = trim($results[0]->table); |
| 271 | if ($table_name != $table_name_returned || strlen(trim($table_name)) <= 0) { |
| 272 | if ($batchingStep === false || intval($batchingStep) === 0) { |
| 273 | $this->logger->log("Could not get info about: $table_name (#02)", 'WARN'); |
| 274 | } |
| 275 | continue; |
| 276 | } |
| 277 | |
| 278 | $this->tables_by_size[$table_name_returned] = array( |
| 279 | 'size' => floatval($results[0]->size), |
| 280 | 'rows' => intval($results[0]->rows) |
| 281 | ); |
| 282 | |
| 283 | $this->total_size += floatval($results[0]->size); |
| 284 | $this->total_rows += intval($results[0]->rows); |
| 285 | $this->total_tables++; |
| 286 | |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | return $this->tables_by_size; |
| 291 | |
| 292 | } |
| 293 | |
| 294 | /** |
| 295 | * table_recipes - Gets CREATION recipe of each table |
| 296 | * |
| 297 | * @return {array} - Creation recipes for each table_name => recipe |
| 298 | */ |
| 299 | private function table_recipes() { |
| 300 | |
| 301 | foreach ($this->tables_by_size as $table_name => $table_object) { |
| 302 | |
| 303 | $query = "SHOW CREATE TABLE $table_name"; |
| 304 | $result = $this->wpdb->get_results($query); |
| 305 | foreach ($result as $index => $result_object) { |
| 306 | foreach ($result_object as $column_name => $column_value) { |
| 307 | |
| 308 | if ($column_value == $table_name) continue; |
| 309 | else { |
| 310 | |
| 311 | $column_value = str_replace("`" . $table_name . "`", "`" . $this->table_prefix . '_' . $table_name . "`", $column_value); |
| 312 | |
| 313 | $recipe = 'CREATE TABLE IF NOT EXISTS '; |
| 314 | $recipe .= substr($column_value, 13); |
| 315 | $recipe = str_replace("\n ", "", $recipe); |
| 316 | $recipe = str_replace("\n", "", $recipe); |
| 317 | |
| 318 | $this->recipes[$table_name] = $recipe; |
| 319 | |
| 320 | } |
| 321 | |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | } |
| 326 | |
| 327 | return $this->recipes; |
| 328 | |
| 329 | } |
| 330 | |
| 331 | /** |
| 332 | * save_recipes - Save recipes and off-load the memory |
| 333 | * |
| 334 | * @return {void} |
| 335 | */ |
| 336 | private function save_recipes() { |
| 337 | |
| 338 | $time_prefix = $this->table_prefix; |
| 339 | foreach ($this->recipes as $table_name => $table_recipe) { |
| 340 | |
| 341 | $this->total_queries += 3; |
| 342 | $recipe = "/* CUSTOM VARS START */\n"; |
| 343 | $recipe .= "/* REAL_TABLE_NAME: `$table_name`; */\n"; |
| 344 | $recipe .= "/* PRE_TABLE_NAME: `$time_prefix" . "_" . "$table_name`; */\n"; |
| 345 | $recipe .= "/* CUSTOM VARS END */\n\n"; |
| 346 | |
| 347 | $recipe .= $table_recipe . ";\n"; |
| 348 | |
| 349 | $this->total_rows++; |
| 350 | $location = $this->file_name($table_name); |
| 351 | $file = fopen($location, 'w'); |
| 352 | fwrite($file, $recipe); |
| 353 | |
| 354 | fclose($file); |
| 355 | unset($file); |
| 356 | |
| 357 | $this->files[] = $location; |
| 358 | unset($location); |
| 359 | |
| 360 | } |
| 361 | |
| 362 | unset($this->recipes); |
| 363 | |
| 364 | } |
| 365 | |
| 366 | private function getArraySize(&$a, $baseSize = 0) { |
| 367 | |
| 368 | $maxSize = $this->max_query_size; |
| 369 | $totalSize = 0 + $baseSize; |
| 370 | $i = 0; |
| 371 | $reachedLimit = false; |
| 372 | |
| 373 | foreach ($a as $k => $v) { |
| 374 | if (is_object($v) || is_array($v)) { |
| 375 | $subSize = $this->getArraySize($v); |
| 376 | $size = $subSize['size']; |
| 377 | if (($totalSize + $size) > $maxSize && $totalSize != 0) { |
| 378 | $reachedLimit = true; |
| 379 | break; |
| 380 | } else { |
| 381 | $totalSize += $size; |
| 382 | $i++; |
| 383 | } |
| 384 | } else if (strval($v)) { |
| 385 | $totalSize += strlen($v); |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | return [ |
| 390 | 'size' => $totalSize, |
| 391 | 'index' => $i, |
| 392 | 'limit' => $reachedLimit |
| 393 | ]; |
| 394 | |
| 395 | } |
| 396 | |
| 397 | /** |
| 398 | * get_tables_data - Table data getter |
| 399 | * |
| 400 | * @return {int} Total rows count |
| 401 | */ |
| 402 | private function get_tables_data($batchingStep = false, $indexEnded = 0) { |
| 403 | |
| 404 | $finishedAt = 0; |
| 405 | $currentTableIndex = 0; |
| 406 | $dumpCompleted = true; |
| 407 | |
| 408 | foreach ($this->tables_by_size as $table_name => $table_object) { |
| 409 | |
| 410 | $emptyTable = false; |
| 411 | $currentTableIndex = $currentTableIndex + 1; |
| 412 | |
| 413 | if ($batchingStep !== false) { |
| 414 | if (intval($currentTableIndex - 1) !== intval($batchingStep)) { |
| 415 | continue; |
| 416 | } else { |
| 417 | $dumpCompleted = false; |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | $start_time = microtime(true); |
| 422 | if ($batchingStep === false || intval($indexEnded) === 0) { |
| 423 | $this->logger->log("Getting data of table: " . $table_name . " (" . $currentTableIndex . "/" . $this->total_tables . ", " . number_format($table_object['size'], 2) . " MB)", 'STEP'); |
| 424 | } |
| 425 | $rows = intval($table_object['rows']); |
| 426 | |
| 427 | $this->wpdb->query("SET foreign_key_checks = 0;"); |
| 428 | |
| 429 | $currentBufferSize = 0; |
| 430 | $bufferResult = []; |
| 431 | |
| 432 | $i = 0; |
| 433 | if ($batchingStep !== false) $i = $indexEnded; |
| 434 | |
| 435 | if (intval($table_object['rows']) > 0) { |
| 436 | for (;$i < $rows;) { |
| 437 | |
| 438 | $query = $this->wpdb->prepare("SELECT * FROM `$table_name` LIMIT %d, $this->max_rows", $i); |
| 439 | if ($this->isPostRevisionsExcluded && ($table_name == $this->wpdb->posts || $table_name == $this->wpdb->postmeta) && has_filter('bmip_smart_exclusion_post_revisions')) { |
| 440 | $query = apply_filters('bmip_smart_exclusion_post_revisions', $query, $table_name, $i, $this->max_rows); |
| 441 | } |
| 442 | $result = $this->wpdb->get_results($query); |
| 443 | |
| 444 | $valuesSize = $this->getArraySize($result, $currentBufferSize); |
| 445 | $rowsAmount = sizeof($result); |
| 446 | $valuesBytesSize = $valuesSize['size'] - $currentBufferSize; |
| 447 | $valuesMaxRow = $valuesSize['index']; |
| 448 | $valuesLimit = $valuesSize['limit']; |
| 449 | |
| 450 | if ($valuesMaxRow < $rowsAmount && $valuesMaxRow != 0) $result = array_slice($result, 0, $valuesMaxRow); |
| 451 | |
| 452 | $i += $valuesMaxRow; |
| 453 | $currentBufferSize += $valuesBytesSize; |
| 454 | $finishedAt = $i; |
| 455 | |
| 456 | if ($valuesMaxRow != 0) $bufferResult = array_merge($bufferResult, $result); |
| 457 | |
| 458 | if ($currentBufferSize >= $this->max_query_size || $i >= $rows || $valuesLimit == true) { |
| 459 | |
| 460 | $currentBufferSize = 0; |
| 461 | $this->save_data($bufferResult, $table_name); |
| 462 | unset($bufferResult); |
| 463 | $bufferResult = []; |
| 464 | |
| 465 | if ($batchingStep !== false) break; |
| 466 | |
| 467 | } |
| 468 | |
| 469 | unset($result); |
| 470 | |
| 471 | } |
| 472 | |
| 473 | $percentg = 100; |
| 474 | if (intval($table_object['rows']) !== 0 && is_numeric(intval($table_object['rows']))) { |
| 475 | |
| 476 | $percentg = number_format(($i / intval($table_object['rows']) * 100), 2); |
| 477 | |
| 478 | } |
| 479 | |
| 480 | if ($i >= $rows && $batchingStep !== false) { |
| 481 | |
| 482 | $batchingStep = $batchingStep + 1; |
| 483 | $finishedAt = 0; |
| 484 | |
| 485 | $this->logger->log("Milestone of table " . $table_name . ": " . $i . "/" . $table_object['rows'] . " rows (" . $percentg . "%, " . number_format((microtime(true) - $start_time), 5) . "s)", 'INFO'); |
| 486 | $this->logger->log("Table export for: " . $table_name . " finished", 'SUCCESS'); |
| 487 | |
| 488 | } else if ($batchingStep !== false) { |
| 489 | |
| 490 | $this->logger->log("Milestone of table " . $table_name . ": " . $i . "/" . $table_object['rows'] . " rows (" . $percentg . "%, " . number_format((microtime(true) - $start_time), 5) . "s)", 'INFO'); |
| 491 | |
| 492 | } |
| 493 | |
| 494 | $this->wpdb->query("SET foreign_key_checks = 1;"); |
| 495 | |
| 496 | if ($batchingStep === false) { |
| 497 | |
| 498 | $this->logger->log("Table export for: " . $table_name . " finished (" . number_format((microtime(true) - $start_time), 5) . "s)", 'SUCCESS'); |
| 499 | |
| 500 | } |
| 501 | |
| 502 | unset($start_time); |
| 503 | |
| 504 | } else { |
| 505 | |
| 506 | $this->logger->log("Table " . $table_name . " is empty, saving only recipe.", 'INFO'); |
| 507 | $emptyTable = true; |
| 508 | |
| 509 | if ($batchingStep !== false) { |
| 510 | |
| 511 | $batchingStep = $batchingStep + 1; |
| 512 | $finishedAt = 0; |
| 513 | |
| 514 | } |
| 515 | |
| 516 | } |
| 517 | |
| 518 | if ($batchingStep !== false && $emptyTable === false) break; |
| 519 | |
| 520 | } |
| 521 | |
| 522 | return [ |
| 523 | 'finishedQuery' => $finishedAt, |
| 524 | 'batchingStep' => $batchingStep, |
| 525 | 'dumpCompleted' => $dumpCompleted |
| 526 | ]; |
| 527 | |
| 528 | } |
| 529 | |
| 530 | /** |
| 531 | * save_data - Saves table data/row as query |
| 532 | * |
| 533 | * @param {wpdb object} &$result Database query result |
| 534 | * @param {string} &$table_name Table name |
| 535 | * @return {void} |
| 536 | */ |
| 537 | private function save_data(&$result, &$table_name) { |
| 538 | |
| 539 | $columns_schema_added = false; |
| 540 | $file = fopen($this->file_name($table_name), 'a+'); |
| 541 | |
| 542 | $this->total_queries++; |
| 543 | $query = "INSERT INTO `" . $this->table_prefix . "_" . $table_name . "` "; |
| 544 | |
| 545 | foreach ($result as $index => $result_object) { |
| 546 | |
| 547 | $data_in_order = array(); |
| 548 | $format_in_order = array(); |
| 549 | $columns_in_order = array(); |
| 550 | |
| 551 | foreach ($result_object as $column_name => $value) { |
| 552 | |
| 553 | $data_in_order[] = $value; |
| 554 | $columns_in_order[] = "`$column_name`"; |
| 555 | |
| 556 | if (is_numeric($value)) { |
| 557 | |
| 558 | if (is_float($value + 0)) $format_in_order[] = '%f'; |
| 559 | else $format_in_order[] = '%d'; |
| 560 | |
| 561 | } else if (gettype($value) == 'NULL') { |
| 562 | |
| 563 | $format_in_order[] = '%null'; |
| 564 | |
| 565 | } else $format_in_order[] = '%s'; |
| 566 | |
| 567 | } |
| 568 | |
| 569 | if ($columns_schema_added === false) { |
| 570 | |
| 571 | $query .= "(" . implode(', ', $columns_in_order) . ") VALUES ("; |
| 572 | $columns_schema_added = true; |
| 573 | |
| 574 | } else { |
| 575 | |
| 576 | $query = "),("; |
| 577 | |
| 578 | } |
| 579 | |
| 580 | $columns = sizeof($columns_in_order); |
| 581 | unset($columns_in_order); |
| 582 | |
| 583 | // $query .= "/* VALUES START */\n"; |
| 584 | for ($i = 0; $i < $columns; ++$i) { |
| 585 | |
| 586 | if ($format_in_order[$i] == '%f') { |
| 587 | |
| 588 | $floatresult = floatval($data_in_order[$i]); |
| 589 | if (!is_infinite($floatresult) && is_numeric($floatresult)) { |
| 590 | $query .= $floatresult; |
| 591 | } else { |
| 592 | if (defined('PHP_FLOAT_MAX')) $query .= PHP_INT_MAX; |
| 593 | else $query .= PHP_FLOAT_MAX; |
| 594 | } |
| 595 | |
| 596 | } elseif ($format_in_order[$i] == '%d') { |
| 597 | |
| 598 | $intresult = intval($data_in_order[$i]); |
| 599 | if (!is_infinite($intresult) && is_numeric($intresult)) { |
| 600 | $query .= $intresult; |
| 601 | } else { |
| 602 | $query .= PHP_INT_MAX; |
| 603 | } |
| 604 | |
| 605 | } elseif ($format_in_order[$i] == '%null') { |
| 606 | |
| 607 | $query .= 'NULL'; |
| 608 | |
| 609 | } else { |
| 610 | |
| 611 | $query .= $this->wpdb->prepare("%s", $data_in_order[$i]); |
| 612 | $query = str_replace($this->percentage, '%', $query); |
| 613 | |
| 614 | } |
| 615 | |
| 616 | if ($i < ($columns - 1)) $query .= ","; |
| 617 | |
| 618 | } |
| 619 | |
| 620 | unset($data_in_order); |
| 621 | unset($format_in_order); |
| 622 | unset($columns_in_order); |
| 623 | |
| 624 | fwrite($file, $query); |
| 625 | |
| 626 | } |
| 627 | |
| 628 | // fwrite($file, ");\n/* QUERY END */\n\n"); |
| 629 | fwrite($file, ");\n"); |
| 630 | fclose($file); |
| 631 | unset($file); |
| 632 | |
| 633 | } |
| 634 | |
| 635 | /** |
| 636 | * file_name - Replaces table name to file name friendly format |
| 637 | * |
| 638 | * @param {string} $table_name Table name |
| 639 | * @return {string} Friendly format for file |
| 640 | */ |
| 641 | private function file_name($table_name) { |
| 642 | |
| 643 | $friendly_name = preg_replace("/[^A-Za-z0-9_-]/", '', $table_name); |
| 644 | $friendly_name = trailingslashit($this->storage) . $friendly_name . '.sql'; |
| 645 | |
| 646 | return $friendly_name; |
| 647 | |
| 648 | } |
| 649 | |
| 650 | } |
| 651 |