| 1 | <?php |
| 2 | /* |
| 3 | +--------------------------------------------------------------------+ |
| 4 | | CiviCRM version 4.7 | |
| 5 | +--------------------------------------------------------------------+ |
| 6 | | Copyright CiviCRM LLC (c) 2004-2018 | |
| 7 | +--------------------------------------------------------------------+ |
| 8 | | This file is a part of CiviCRM. | |
| 9 | | | |
| 10 | | CiviCRM is free software; you can copy, modify, and distribute it | |
| 11 | | under the terms of the GNU Affero General Public License | |
| 12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | |
| 13 | | | |
| 14 | | CiviCRM is distributed in the hope that it will be useful, but | |
| 15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
| 17 | | See the GNU Affero General Public License for more details. | |
| 18 | | | |
| 19 | | You should have received a copy of the GNU Affero General Public | |
| 20 | | License and the CiviCRM Licensing Exception along | |
| 21 | | with this program; if not, contact CiviCRM LLC | |
| 22 | | at info[AT]civicrm[DOT]org. If you have questions about the | |
| 23 | | GNU Affero General Public License or the licensing of CiviCRM, | |
| 24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | |
| 25 | +--------------------------------------------------------------------+ |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * |
| 30 | * @package CRM |
| 31 | * @copyright CiviCRM LLC (c) 2004-2018 |
| 32 | * $Id$ |
| 33 | * |
| 34 | */ |
| 35 | class CRM_Logging_Differ { |
| 36 | private $db; |
| 37 | private $log_conn_id; |
| 38 | private $log_date; |
| 39 | private $interval; |
| 40 | |
| 41 | /** |
| 42 | * Class constructor. |
| 43 | * |
| 44 | * @param string $log_conn_id |
| 45 | * @param string $log_date |
| 46 | * @param string $interval |
| 47 | */ |
| 48 | public function __construct($log_conn_id, $log_date, $interval = '10 SECOND') { |
| 49 | $dsn = defined('CIVICRM_LOGGING_DSN') ? DB::parseDSN(CIVICRM_LOGGING_DSN) : DB::parseDSN(CIVICRM_DSN); |
| 50 | $this->db = $dsn['database']; |
| 51 | $this->log_conn_id = $log_conn_id; |
| 52 | $this->log_date = $log_date; |
| 53 | $this->interval = self::filterInterval($interval); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * @param $tables |
| 58 | * |
| 59 | * @return array |
| 60 | */ |
| 61 | public function diffsInTables($tables) { |
| 62 | $diffs = array(); |
| 63 | foreach ($tables as $table) { |
| 64 | $diff = $this->diffsInTable($table); |
| 65 | if (!empty($diff)) { |
| 66 | $diffs[$table] = $diff; |
| 67 | } |
| 68 | } |
| 69 | return $diffs; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * @param $table |
| 74 | * @param int $contactID |
| 75 | * |
| 76 | * @return array |
| 77 | */ |
| 78 | public function diffsInTable($table, $contactID = NULL) { |
| 79 | $diffs = array(); |
| 80 | |
| 81 | $params = array( |
| 82 | 1 => array($this->log_conn_id, 'String'), |
| 83 | ); |
| 84 | |
| 85 | $logging = new CRM_Logging_Schema(); |
| 86 | $addressCustomTables = $logging->entityCustomDataLogTables('Address'); |
| 87 | |
| 88 | $contactIdClause = $join = ''; |
| 89 | if ($contactID) { |
| 90 | $params[3] = array($contactID, 'Integer'); |
| 91 | switch ($table) { |
| 92 | case 'civicrm_contact': |
| 93 | $contactIdClause = "AND id = %3"; |
| 94 | break; |
| 95 | |
| 96 | case 'civicrm_note': |
| 97 | $contactIdClause = "AND (( entity_id = %3 AND entity_table = 'civicrm_contact' ) OR (entity_id IN (SELECT note.id FROM `{$this->db}`.log_civicrm_note note WHERE note.entity_id = %3 AND note.entity_table = 'civicrm_contact') AND entity_table = 'civicrm_note'))"; |
| 98 | break; |
| 99 | |
| 100 | case 'civicrm_entity_tag': |
| 101 | $contactIdClause = "AND entity_id = %3 AND entity_table = 'civicrm_contact'"; |
| 102 | break; |
| 103 | |
| 104 | case 'civicrm_relationship': |
| 105 | $contactIdClause = "AND (contact_id_a = %3 OR contact_id_b = %3)"; |
| 106 | break; |
| 107 | |
| 108 | case 'civicrm_activity': |
| 109 | $activityContacts = CRM_Activity_BAO_ActivityContact::buildOptions('record_type_id', 'validate'); |
| 110 | $sourceID = CRM_Utils_Array::key('Activity Source', $activityContacts); |
| 111 | $assigneeID = CRM_Utils_Array::key('Activity Assignees', $activityContacts); |
| 112 | $targetID = CRM_Utils_Array::key('Activity Targets', $activityContacts); |
| 113 | |
| 114 | $join = " |
| 115 | LEFT JOIN civicrm_activity_contact at ON at.activity_id = lt.id AND at.contact_id = %3 AND at.record_type_id = {$targetID} |
| 116 | LEFT JOIN civicrm_activity_contact aa ON aa.activity_id = lt.id AND aa.contact_id = %3 AND aa.record_type_id = {$assigneeID} |
| 117 | LEFT JOIN civicrm_activity_contact source ON source.activity_id = lt.id AND source.contact_id = %3 AND source.record_type_id = {$sourceID} "; |
| 118 | $contactIdClause = "AND (at.id IS NOT NULL OR aa.id IS NOT NULL OR source.id IS NOT NULL)"; |
| 119 | break; |
| 120 | |
| 121 | case 'civicrm_case': |
| 122 | $contactIdClause = "AND id = (select case_id FROM civicrm_case_contact WHERE contact_id = %3 LIMIT 1)"; |
| 123 | break; |
| 124 | |
| 125 | default: |
| 126 | if (array_key_exists($table, $addressCustomTables)) { |
| 127 | $join = "INNER JOIN `{$this->db}`.`log_civicrm_address` et ON et.id = lt.entity_id"; |
| 128 | $contactIdClause = "AND contact_id = %3"; |
| 129 | break; |
| 130 | } |
| 131 | |
| 132 | // allow tables to be extended by report hook query objects |
| 133 | list($contactIdClause, $join) = CRM_Report_BAO_Hook::singleton()->logDiffClause($this, $table); |
| 134 | |
| 135 | if (empty($contactIdClause)) { |
| 136 | $contactIdClause = "AND contact_id = %3"; |
| 137 | } |
| 138 | if (strpos($table, 'civicrm_value') !== FALSE) { |
| 139 | $contactIdClause = "AND entity_id = %3"; |
| 140 | } |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | $logDateClause = ''; |
| 145 | if ($this->log_date) { |
| 146 | $params[2] = array($this->log_date, 'String'); |
| 147 | $logDateClause = " |
| 148 | AND lt.log_date BETWEEN DATE_SUB(%2, INTERVAL {$this->interval}) AND DATE_ADD(%2, INTERVAL {$this->interval}) |
| 149 | "; |
| 150 | } |
| 151 | |
| 152 | // find ids in this table that were affected in the given connection (based on connection id and a ±10 s time period around the date) |
| 153 | $sql = " |
| 154 | SELECT DISTINCT lt.id FROM `{$this->db}`.`log_$table` lt |
| 155 | {$join} |
| 156 | WHERE lt.log_conn_id = %1 |
| 157 | $logDateClause |
| 158 | {$contactIdClause}"; |
| 159 | $dao = CRM_Core_DAO::executeQuery($sql, $params); |
| 160 | while ($dao->fetch()) { |
| 161 | $diffs = array_merge($diffs, $this->diffsInTableForId($table, $dao->id)); |
| 162 | } |
| 163 | |
| 164 | return $diffs; |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * @param $table |
| 169 | * @param int $id |
| 170 | * |
| 171 | * @return array |
| 172 | * @throws \CRM_Core_Exception |
| 173 | */ |
| 174 | private function diffsInTableForId($table, $id) { |
| 175 | $diffs = array(); |
| 176 | |
| 177 | $params = array( |
| 178 | 1 => array($this->log_conn_id, 'String'), |
| 179 | 3 => array($id, 'Integer'), |
| 180 | ); |
| 181 | |
| 182 | // look for all the changes in the given connection that happened less than {$this->interval} s later than log_date to the given id to catch multi-query changes |
| 183 | $logDateClause = ""; |
| 184 | if ($this->log_date && $this->interval) { |
| 185 | $logDateClause = " AND log_date >= %2 AND log_date < DATE_ADD(%2, INTERVAL {$this->interval})"; |
| 186 | $params[2] = array($this->log_date, 'String'); |
| 187 | } |
| 188 | |
| 189 | $changedSQL = "SELECT * FROM `{$this->db}`.`log_$table` WHERE log_conn_id = %1 $logDateClause AND id = %3 ORDER BY log_date DESC LIMIT 1"; |
| 190 | |
| 191 | $changedDAO = CRM_Core_DAO::executeQuery($changedSQL, $params); |
| 192 | while ($changedDAO->fetch()) { |
| 193 | if (empty($this->log_date) && !self::checkLogCanBeUsedWithNoLogDate($changedDAO->log_date)) { |
| 194 | throw new CRM_Core_Exception('The connection date must be passed in to disambiguate this logging entry per CRM-18193'); |
| 195 | } |
| 196 | $changed = $changedDAO->toArray(); |
| 197 | |
| 198 | // return early if nothing found |
| 199 | if (empty($changed)) { |
| 200 | continue; |
| 201 | } |
| 202 | |
| 203 | switch ($changed['log_action']) { |
| 204 | case 'Delete': |
| 205 | // the previous state is kept in the current state, current should keep the keys and clear the values |
| 206 | $original = $changed; |
| 207 | foreach ($changed as & $val) { |
| 208 | $val = NULL; |
| 209 | } |
| 210 | $changed['log_action'] = 'Delete'; |
| 211 | break; |
| 212 | |
| 213 | case 'Insert': |
| 214 | // the previous state does not exist |
| 215 | $original = array(); |
| 216 | break; |
| 217 | |
| 218 | case 'Update': |
| 219 | $params[2] = array($changedDAO->log_date, 'String'); |
| 220 | // look for the previous state (different log_conn_id) of the given id |
| 221 | $originalSQL = "SELECT * FROM `{$this->db}`.`log_$table` WHERE log_conn_id != %1 AND log_date < %2 AND id = %3 ORDER BY log_date DESC LIMIT 1"; |
| 222 | $original = $this->sqlToArray($originalSQL, $params); |
| 223 | if (empty($original)) { |
| 224 | // A blank original array is not possible for Update action, otherwise we 'll end up displaying all information |
| 225 | // in $changed variable as updated-info |
| 226 | $original = $changed; |
| 227 | } |
| 228 | |
| 229 | break; |
| 230 | } |
| 231 | |
| 232 | // populate $diffs with only the differences between $changed and $original |
| 233 | $skipped = array('log_action', 'log_conn_id', 'log_date', 'log_user_id'); |
| 234 | foreach (array_keys(array_diff_assoc($changed, $original)) as $diff) { |
| 235 | if (in_array($diff, $skipped)) { |
| 236 | continue; |
| 237 | } |
| 238 | |
| 239 | if (CRM_Utils_Array::value($diff, $original) === CRM_Utils_Array::value($diff, $changed)) { |
| 240 | continue; |
| 241 | } |
| 242 | |
| 243 | // hack: case_type_id column is a varchar with separator. For proper mapping to type labels, |
| 244 | // we need to make sure separators are trimmed |
| 245 | if ($diff == 'case_type_id') { |
| 246 | foreach (array('original', 'changed') as $var) { |
| 247 | if (!empty(${$var[$diff]})) { |
| 248 | $holder =& $$var; |
| 249 | $val = explode(CRM_Case_BAO_Case::VALUE_SEPARATOR, $holder[$diff]); |
| 250 | $holder[$diff] = CRM_Utils_Array::value(1, $val); |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | $diffs[] = array( |
| 256 | 'action' => $changed['log_action'], |
| 257 | 'id' => $id, |
| 258 | 'field' => $diff, |
| 259 | 'from' => CRM_Utils_Array::value($diff, $original), |
| 260 | 'to' => CRM_Utils_Array::value($diff, $changed), |
| 261 | 'table' => $table, |
| 262 | 'log_date' => $changed['log_date'], |
| 263 | 'log_conn_id' => $changed['log_conn_id'], |
| 264 | ); |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | return $diffs; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Get the titles & metadata option values for the table. |
| 273 | * |
| 274 | * For custom fields the titles may change so we use the ones as at the reference date. |
| 275 | * |
| 276 | * @param string $table |
| 277 | * @param string $referenceDate |
| 278 | * |
| 279 | * @return array |
| 280 | */ |
| 281 | public function titlesAndValuesForTable($table, $referenceDate) { |
| 282 | // static caches for subsequent calls with the same $table |
| 283 | static $titles = array(); |
| 284 | static $values = array(); |
| 285 | |
| 286 | if (!isset($titles[$table]) or !isset($values[$table])) { |
| 287 | if (($tableDAO = CRM_Core_DAO_AllCoreTables::getClassForTable($table)) != FALSE) { |
| 288 | // FIXME: these should be populated with pseudo constants as they |
| 289 | // were at the time of logging rather than their current values |
| 290 | // FIXME: Use *_BAO:buildOptions() method rather than pseudoconstants & fetch programmatically |
| 291 | $values[$table] = array( |
| 292 | 'contribution_page_id' => CRM_Contribute_PseudoConstant::contributionPage(), |
| 293 | 'contribution_status_id' => CRM_Contribute_PseudoConstant::contributionStatus(), |
| 294 | 'financial_type_id' => CRM_Contribute_PseudoConstant::financialType(), |
| 295 | 'country_id' => CRM_Core_PseudoConstant::country(), |
| 296 | 'gender_id' => CRM_Core_PseudoConstant::get('CRM_Contact_DAO_Contact', 'gender_id'), |
| 297 | 'location_type_id' => CRM_Core_PseudoConstant::get('CRM_Core_DAO_Address', 'location_type_id'), |
| 298 | 'payment_instrument_id' => CRM_Contribute_PseudoConstant::paymentInstrument(), |
| 299 | 'phone_type_id' => CRM_Core_PseudoConstant::get('CRM_Core_DAO_Phone', 'phone_type_id'), |
| 300 | 'preferred_communication_method' => CRM_Contact_BAO_Contact::buildOptions('preferred_communication_method'), |
| 301 | 'preferred_language' => CRM_Contact_BAO_Contact::buildOptions('preferred_language'), |
| 302 | 'prefix_id' => CRM_Contact_BAO_Contact::buildOptions('prefix_id'), |
| 303 | 'provider_id' => CRM_Core_PseudoConstant::get('CRM_Core_DAO_IM', 'provider_id'), |
| 304 | 'state_province_id' => CRM_Core_PseudoConstant::stateProvince(), |
| 305 | 'suffix_id' => CRM_Contact_BAO_Contact::buildOptions('suffix_id'), |
| 306 | 'website_type_id' => CRM_Core_PseudoConstant::get('CRM_Core_DAO_Website', 'website_type_id'), |
| 307 | 'activity_type_id' => CRM_Core_PseudoConstant::activityType(TRUE, TRUE, FALSE, 'label', TRUE), |
| 308 | 'case_type_id' => CRM_Case_PseudoConstant::caseType('title', FALSE), |
| 309 | 'priority_id' => CRM_Core_PseudoConstant::get('CRM_Activity_DAO_Activity', 'priority_id'), |
| 310 | ); |
| 311 | |
| 312 | // for columns that appear in more than 1 table |
| 313 | switch ($table) { |
| 314 | case 'civicrm_case': |
| 315 | $values[$table]['status_id'] = CRM_Case_PseudoConstant::caseStatus('label', FALSE); |
| 316 | break; |
| 317 | |
| 318 | case 'civicrm_activity': |
| 319 | $values[$table]['status_id'] = CRM_Core_PseudoConstant::activityStatus(); |
| 320 | break; |
| 321 | } |
| 322 | |
| 323 | $dao = new $tableDAO(); |
| 324 | foreach ($dao->fields() as $field) { |
| 325 | $titles[$table][$field['name']] = CRM_Utils_Array::value('title', $field); |
| 326 | |
| 327 | if ($field['type'] == CRM_Utils_Type::T_BOOLEAN) { |
| 328 | $values[$table][$field['name']] = array('0' => ts('false'), '1' => ts('true')); |
| 329 | } |
| 330 | } |
| 331 | } |
| 332 | elseif (substr($table, 0, 14) == 'civicrm_value_') { |
| 333 | list($titles[$table], $values[$table]) = $this->titlesAndValuesForCustomDataTable($table, $referenceDate); |
| 334 | } |
| 335 | else { |
| 336 | $titles[$table] = $values[$table] = array(); |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | return array($titles[$table], $values[$table]); |
| 341 | } |
| 342 | |
| 343 | /** |
| 344 | * @param $sql |
| 345 | * @param array $params |
| 346 | * |
| 347 | * @return mixed |
| 348 | */ |
| 349 | private function sqlToArray($sql, $params) { |
| 350 | $dao = CRM_Core_DAO::executeQuery($sql, $params); |
| 351 | $dao->fetch(); |
| 352 | return $dao->toArray(); |
| 353 | } |
| 354 | |
| 355 | /** |
| 356 | * Get the field titles & option group values for the custom table as at the reference date. |
| 357 | * |
| 358 | * @param string $table |
| 359 | * @param string $referenceDate |
| 360 | * |
| 361 | * @return array |
| 362 | */ |
| 363 | private function titlesAndValuesForCustomDataTable($table, $referenceDate) { |
| 364 | $titles = array(); |
| 365 | $values = array(); |
| 366 | |
| 367 | $params = array( |
| 368 | 1 => array($this->log_conn_id, 'String'), |
| 369 | 2 => array($referenceDate, 'String'), |
| 370 | 3 => array($table, 'String'), |
| 371 | ); |
| 372 | |
| 373 | $sql = "SELECT id, title FROM `{$this->db}`.log_civicrm_custom_group WHERE log_date <= %2 AND table_name = %3 ORDER BY log_date DESC LIMIT 1"; |
| 374 | $cgDao = CRM_Core_DAO::executeQuery($sql, $params); |
| 375 | $cgDao->fetch(); |
| 376 | |
| 377 | $params[3] = array($cgDao->id, 'Integer'); |
| 378 | $sql = " |
| 379 | SELECT column_name, data_type, label, name, option_group_id |
| 380 | FROM `{$this->db}`.log_civicrm_custom_field |
| 381 | WHERE log_date <= %2 |
| 382 | AND custom_group_id = %3 |
| 383 | ORDER BY log_date |
| 384 | "; |
| 385 | $cfDao = CRM_Core_DAO::executeQuery($sql, $params); |
| 386 | |
| 387 | while ($cfDao->fetch()) { |
| 388 | $titles[$cfDao->column_name] = "{$cgDao->title}: {$cfDao->label}"; |
| 389 | |
| 390 | switch ($cfDao->data_type) { |
| 391 | case 'Boolean': |
| 392 | $values[$cfDao->column_name] = array('0' => ts('false'), '1' => ts('true')); |
| 393 | break; |
| 394 | |
| 395 | case 'String': |
| 396 | $values[$cfDao->column_name] = array(); |
| 397 | if (!empty($cfDao->option_group_id)) { |
| 398 | $params[3] = array($cfDao->option_group_id, 'Integer'); |
| 399 | $sql = " |
| 400 | SELECT label, value |
| 401 | FROM `{$this->db}`.log_civicrm_option_value |
| 402 | WHERE log_date <= %2 |
| 403 | AND option_group_id = %3 |
| 404 | ORDER BY log_date |
| 405 | "; |
| 406 | $ovDao = CRM_Core_DAO::executeQuery($sql, $params); |
| 407 | while ($ovDao->fetch()) { |
| 408 | $values[$cfDao->column_name][$ovDao->value] = $ovDao->label; |
| 409 | } |
| 410 | } |
| 411 | break; |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | return array($titles, $values); |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * Get all changes made in the connection. |
| 420 | * |
| 421 | * @param array $tables |
| 422 | * Array of tables to inspect. |
| 423 | * |
| 424 | * @return array |
| 425 | */ |
| 426 | public function getAllChangesForConnection($tables) { |
| 427 | $params = array(1 => array($this->log_conn_id, 'String')); |
| 428 | foreach ($tables as $table) { |
| 429 | if (empty($sql)) { |
| 430 | $sql = " SELECT '{$table}' as table_name, id FROM {$this->db}.log_{$table} WHERE log_conn_id = %1"; |
| 431 | } |
| 432 | else { |
| 433 | $sql .= " UNION SELECT '{$table}' as table_name, id FROM {$this->db}.log_{$table} WHERE log_conn_id = %1"; |
| 434 | } |
| 435 | } |
| 436 | $diffs = array(); |
| 437 | $dao = CRM_Core_DAO::executeQuery($sql, $params); |
| 438 | while ($dao->fetch()) { |
| 439 | if (empty($this->log_date)) { |
| 440 | $this->log_date = CRM_Core_DAO::singleValueQuery("SELECT log_date FROM {$this->db}.log_{$table} WHERE log_conn_id = %1 LIMIT 1", $params); |
| 441 | } |
| 442 | $diffs = array_merge($diffs, $this->diffsInTableForId($dao->table_name, $dao->id)); |
| 443 | } |
| 444 | return $diffs; |
| 445 | } |
| 446 | |
| 447 | /** |
| 448 | * Check that the log record relates to a unique log id. |
| 449 | * |
| 450 | * If the record was recorded using the old non-unique style then the |
| 451 | * log_date |
| 452 | * MUST be set to get the (fairly accurate) list of changes. In this case the |
| 453 | * nasty 10 second interval rule is applied. |
| 454 | * |
| 455 | * See CRM-18193 for a discussion of unique log id. |
| 456 | * |
| 457 | * @param string $change_date |
| 458 | * |
| 459 | * @return bool |
| 460 | * @throws \CiviCRM_API3_Exception |
| 461 | */ |
| 462 | public static function checkLogCanBeUsedWithNoLogDate($change_date) { |
| 463 | |
| 464 | if (civicrm_api3('Setting', 'getvalue', array('name' => 'logging_all_tables_uniquid', 'group' => 'CiviCRM Preferences'))) { |
| 465 | return TRUE; |
| 466 | }; |
| 467 | $uniqueDate = civicrm_api3('Setting', 'getvalue', array( |
| 468 | 'name' => 'logging_uniqueid_date', |
| 469 | 'group' => 'CiviCRM Preferences', |
| 470 | )); |
| 471 | if (strtotime($uniqueDate) <= strtotime($change_date)) { |
| 472 | return TRUE; |
| 473 | } |
| 474 | else { |
| 475 | return FALSE; |
| 476 | } |
| 477 | |
| 478 | } |
| 479 | |
| 480 | /** |
| 481 | * Filter a MySQL interval expression. |
| 482 | * |
| 483 | * @param string $interval |
| 484 | * @return string |
| 485 | * Normalized version of $interval |
| 486 | * @throws \CRM_Core_Exception |
| 487 | * If the expression is invalid. |
| 488 | * @see https://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-add |
| 489 | */ |
| 490 | private static function filterInterval($interval) { |
| 491 | if (empty($interval)) { |
| 492 | return $interval; |
| 493 | } |
| 494 | |
| 495 | $units = array('MICROSECOND', 'SECOND', 'MINUTE', 'HOUR', 'DAY', 'WEEK', 'MONTH', 'QUARTER', 'YEAR'); |
| 496 | $interval = strtoupper($interval); |
| 497 | if (preg_match('/^([0-9]+) ([A-Z]+)$/', $interval, $matches)) { |
| 498 | if (in_array($matches[2], $units)) { |
| 499 | return $interval; |
| 500 | } |
| 501 | } |
| 502 | if (preg_match('/^\'([0-9: \.\-]+)\' ([A-Z]+)_([A-Z]+)$/', $interval, $matches)) { |
| 503 | if (in_array($matches[2], $units) && in_array($matches[3], $units)) { |
| 504 | return $interval; |
| 505 | } |
| 506 | } |
| 507 | throw new CRM_Core_Exception("Malformed interval"); |
| 508 | } |
| 509 | |
| 510 | } |