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<?php |
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/** |
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* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2015 Daniel Popiniuc |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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* |
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*/ |
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namespace danielgp\common_lib; |
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/** |
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* usefull functions to get quick results |
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* |
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* @author Daniel Popiniuc |
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*/ |
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trait CommonBasic |
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{ |
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/** |
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* Moves files into another folder |
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* |
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* @param type $sourcePath |
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* @param type $targetPath |
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* @return type |
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*/ |
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protected function moveFilesIntoTargetFolder($sourcePath, $targetPath) |
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{ |
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$filesystem = new \Symfony\Component\Filesystem\Filesystem(); |
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$filesystem->mirror($sourcePath, $targetPath); |
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$finder = new \Symfony\Component\Finder\Finder(); |
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$iterator = $finder->files()->ignoreUnreadableDirs(true)->followLinks()->in($sourcePath); |
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$sFiles = []; |
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foreach ($iterator as $file) { |
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$relativePathFile = str_replace($sourcePath, '', $file->getRealPath()); |
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if (!file_exists($targetPath . $relativePathFile)) { |
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$sFiles[$relativePathFile] = $targetPath . $relativePathFile; |
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} |
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} |
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return $this->setArrayToJson($sFiles); |
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} |
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protected function removeFilesDecision($inputArray) |
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{ |
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$proceedWithDeletion = false; |
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if (is_array($inputArray)) { |
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if (!isset($inputArray['path'])) { |
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return '`path` has not been provided'; |
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} elseif (!isset($inputArray['dateRule'])) { |
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return '`dateRule` has not been provided'; |
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} |
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$proceedWithDeletion = true; |
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} |
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return $proceedWithDeletion; |
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} |
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/** |
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* Remove files older than given rule |
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* (both Access time and Modified time will be checked |
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* and only if both matches removal will take place) |
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* |
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* @param array $inputArray |
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* @return string |
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*/ |
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protected function removeFilesOlderThanGivenRule($inputArray) |
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{ |
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$aFiles = $this->retrieveFilesOlderThanGivenRule($inputArray); |
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if (is_null($aFiles)) { |
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return $aFiles; |
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} |
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$filesystem = new \Symfony\Component\Filesystem\Filesystem(); |
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$filesystem->remove($aFiles); |
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return $this->setArrayToJson($aFiles); |
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} |
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protected function retrieveFilesOlderThanGivenRule($inputArray) |
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{ |
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$proceedWithRetrieving = $this->removeFilesDecision($inputArray); |
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if ($proceedWithRetrieving) { |
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$finder = new \Symfony\Component\Finder\Finder(); |
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$iterator = $finder->files()->ignoreUnreadableDirs(true)->followLinks()->in($inputArray['path']); |
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$aFiles = null; |
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foreach ($iterator as $file) { |
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if ($file->getATime() < strtotime($inputArray['dateRule'])) { |
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$aFiles[] = $file->getRealPath(); |
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} |
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} |
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return $aFiles; |
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} |
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return null; |
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} |
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/** |
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* Replace space with break line for each key element |
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* |
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* @param array $aElements |
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* @return array |
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*/ |
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protected function setArrayToArrayKbr(array $aElements) |
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{ |
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$aReturn = []; |
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foreach ($aElements as $key => $value) { |
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$aReturn[str_replace(' ', '<br/>', $key)] = $value; |
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} |
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return $aReturn; |
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} |
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/** |
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* Converts a single-child array into an parent-child one |
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* |
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* @param type $inArray |
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* @return type |
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*/ |
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protected function setArrayValuesAsKey(array $inArray) |
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{ |
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$outArray = array_combine($inArray, $inArray); |
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ksort($outArray); |
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return $outArray; |
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} |
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/** |
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* Converts an array into JSON string |
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* |
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* @param array $inArray |
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* @return string |
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*/ |
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protected function setArrayToJson(array $inArray) |
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{ |
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$rtrn = utf8_encode(json_encode($inArray, JSON_FORCE_OBJECT | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT)); |
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$jsonError = $this->setJsonErrorInPlainEnglish(); |
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if (is_null($jsonError)) { |
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return $rtrn; |
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} else { |
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return $jsonError; |
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} |
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} |
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/** |
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* Provides a list of all known JSON errors and their description |
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* |
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* @return type |
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*/ |
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protected function setJsonErrorInPlainEnglish() |
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{ |
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$knownErrors = [ |
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JSON_ERROR_NONE => null, |
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JSON_ERROR_DEPTH => 'Maximum stack depth exceeded', |
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JSON_ERROR_STATE_MISMATCH => 'Underflow or the modes mismatch', |
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JSON_ERROR_CTRL_CHAR => 'Unexpected control character found', |
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JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON', |
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JSON_ERROR_UTF8 => 'Malformed UTF-8 characters, possibly incorrectly encoded', |
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]; |
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$currentError = json_last_error(); |
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$sReturn = null; |
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if (in_array($currentError, $knownErrors)) { |
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$sReturn = $knownErrors[$currentError]; |
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} |
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return $sReturn; |
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} |
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} |
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This check looks for function or method calls that always return null and whose return value is assigned to a variable.
The method
getObject()
can return nothing but null, so it makes no sense to assign that value to a variable.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.