201 lines
8.6 KiB
PHP
201 lines
8.6 KiB
PHP
<?php
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namespace Modules\EcommerceFinance\Services;
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use Illuminate\Http\UploadedFile;
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use Illuminate\Validation\ValidationException;
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use PhpOffice\PhpSpreadsheet\IOFactory;
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use PhpOffice\PhpSpreadsheet\Spreadsheet;
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use PhpOffice\PhpSpreadsheet\Style\Alignment;
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use PhpOffice\PhpSpreadsheet\Style\Border;
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use PhpOffice\PhpSpreadsheet\Style\Fill;
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use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
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use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
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use Symfony\Component\HttpFoundation\StreamedResponse;
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use Throwable;
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/** 读取和生成「是否包邮厂家」导入文件。 */
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class SupplierFreeShippingWorkbook
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{
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public const SUPPLIER_CODE_HEADER = '供应商代码';
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public const FIELD_HEADER = '是否包邮厂家';
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/**
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* 返回供应商代码 => 是否包邮厂家。空白或“-”表示否。
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*
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* @return array<string,bool>
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*/
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public function read(UploadedFile $file): array
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{
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try {
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$reader = IOFactory::createReader(match (mb_strtolower($file->getClientOriginalExtension())) {
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'xlsx' => 'Xlsx',
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'xls' => 'Xls',
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'csv' => 'Csv',
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default => throw new \RuntimeException('Unsupported workbook format.'),
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});
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$book = $reader->load($file->getRealPath());
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} catch (Throwable) {
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throw ValidationException::withMessages([
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'import' => '无法读取导入文件，请确认文件未损坏且格式为 xlsx、xls 或 csv。',
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]);
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}
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try {
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[$sheet, $headerRow, $codeColumn, $fieldColumn] = $this->locateColumns($book);
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$highestRow = $sheet->getHighestDataRow();
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if ($highestRow > 5001) {
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throw ValidationException::withMessages(['import' => '单次最多导入 5,000 条供应商记录，请拆分文件后重试。']);
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}
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$records = [];
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$lineByCode = [];
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for ($row = $headerRow + 1; $row <= $highestRow; $row++) {
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$code = $this->text($sheet, $codeColumn, $row);
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if (str_starts_with($code, "'")) {
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$code = substr($code, 1);
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}
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$field = $this->text($sheet, $fieldColumn, $row);
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if ($code === '' && $field === '') {
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continue;
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}
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if ($code === '') {
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throw ValidationException::withMessages(['import' => "第 {$row} 行供应商代码为空。"]);
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}
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if (mb_strlen($code) > 191) {
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throw ValidationException::withMessages(['import' => "第 {$row} 行供应商代码超过 191 个字符。"]);
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}
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$codeKey = mb_strtolower($code);
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if (isset($lineByCode[$codeKey])) {
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throw ValidationException::withMessages([
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'import' => "第 {$row} 行供应商代码“{$code}”与第 {$lineByCode[$codeKey]} 行重复。",
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]);
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}
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$records[$code] = $this->parseFlag($field, $row);
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$lineByCode[$codeKey] = $row;
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}
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if ($records === []) {
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throw ValidationException::withMessages(['import' => '表格中没有可导入的供应商记录。']);
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}
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return $records;
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} finally {
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$book->disconnectWorksheets();
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}
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}
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public function template(): StreamedResponse
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{
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return response()->streamDownload(function (): void {
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$book = new Spreadsheet();
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$sheet = $book->getActiveSheet();
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$sheet->setTitle('是否包邮厂家');
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$sheet->fromArray([self::SUPPLIER_CODE_HEADER, '供应商名称', self::FIELD_HEADER], null, 'A1');
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$sheet->getStyle('A1:C1')->applyFromArray([
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'font' => ['bold' => true, 'color' => ['rgb' => 'FFFFFF']],
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'fill' => ['fillType' => Fill::FILL_SOLID, 'startColor' => ['rgb' => '856632']],
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'alignment' => ['horizontal' => Alignment::HORIZONTAL_CENTER],
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'borders' => ['allBorders' => ['borderStyle' => Border::BORDER_THIN, 'color' => ['rgb' => 'D8D2C7']]],
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]);
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$sheet->getRowDimension(1)->setRowHeight(24);
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$sheet->freezePane('A2');
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$sheet->setAutoFilter('A1:C1');
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foreach (['A' => 22, 'B' => 34, 'C' => 20] as $column => $width) {
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$sheet->getColumnDimension($column)->setWidth($width);
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}
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$sheet->getStyle('A2:A5001')->getNumberFormat()->setFormatCode('@');
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$instructions = $book->createSheet();
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$instructions->setTitle('填写说明');
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$instructions->fromArray([
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['项目', '说明'],
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[self::SUPPLIER_CODE_HEADER, '必填。请填写供应商管理页面中的供应商代码，按代码精确关联。'],
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[self::FIELD_HEADER, '填写“包邮”表示是包邮厂家；空白或“-”表示不是包邮厂家。'],
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['兼容导出表', '也可以使用本页面导出的文件，在此列补充后直接导入。'],
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['覆盖规则', '同一供应商再次导入会更新该字段；其他列不会修改。'],
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], null, 'A1');
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$instructions->getStyle('A1:B1')->applyFromArray([
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'font' => ['bold' => true, 'color' => ['rgb' => 'FFFFFF']],
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'fill' => ['fillType' => Fill::FILL_SOLID, 'startColor' => ['rgb' => '856632']],
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]);
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$instructions->getColumnDimension('A')->setWidth(22);
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$instructions->getColumnDimension('B')->setWidth(76);
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$instructions->getStyle('A1:B5')->getAlignment()->setVertical(Alignment::VERTICAL_CENTER)->setWrapText(true);
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foreach (range(1, 5) as $row) {
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$instructions->getRowDimension($row)->setRowHeight($row === 1 ? 24 : 34);
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}
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$book->setActiveSheetIndex(0);
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(new Xlsx($book))->save('php://output');
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$book->disconnectWorksheets();
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}, '供应商是否包邮厂家_导入模板_' . now()->format('Ymd') . '.xlsx', [
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'Content-Type' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
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'Cache-Control' => 'private, no-store',
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]);
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}
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/** @return array{0:Worksheet,1:int,2:int,3:int} */
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private function locateColumns(Spreadsheet $book): array
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{
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$best = null;
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foreach ($book->getWorksheetIterator() as $sheet) {
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$rows = $sheet->toArray(null, false, false, false);
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foreach (array_slice($rows, 0, 20, true) as $rowIndex => $row) {
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$headers = [];
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foreach ($row as $columnIndex => $value) {
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$header = $this->header($value);
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if ($header !== '') {
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$headers[$header] = $columnIndex + 1;
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}
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}
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if (isset($headers[self::SUPPLIER_CODE_HEADER], $headers[self::FIELD_HEADER])) {
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$candidate = [$sheet, $rowIndex + 1, $headers[self::SUPPLIER_CODE_HEADER], $headers[self::FIELD_HEADER]];
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$best = $candidate;
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break 2;
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}
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}
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}
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if ($best === null) {
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throw ValidationException::withMessages([
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'import' => '缺少表头：需要“供应商代码”和“是否包邮厂家”两列。',
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]);
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}
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return $best;
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}
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private function parseFlag(string $value, int $row): bool
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{
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$normalized = mb_strtolower(preg_replace('/[\s\x{FEFF}]+/u', '', $value));
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if (in_array($normalized, ['', '-', '否', '不是', '0', 'false', 'no'], true)) {
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return false;
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}
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if (in_array($normalized, ['包邮', '是', '是包邮厂家', '1', 'true', 'yes'], true)) {
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return true;
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}
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throw ValidationException::withMessages([
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'import' => "第 {$row} 行“是否包邮厂家”只能填写“包邮”，或留空表示否。",
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]);
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}
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private function text(Worksheet $sheet, int $column, int $row): string
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{
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$cell = $sheet->getCell([$column, $row]);
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if ($cell->getDataType() === 'f') {
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throw ValidationException::withMessages(['import' => "第 {$row} 行含公式，请填写实际值。"]);
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}
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return trim((string) $cell->getFormattedValue());
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}
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private function header(mixed $value): string
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{
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return str_replace([' ', ' ', "\n", "\r", "\t", "\x{FEFF}"], '', trim((string) $value));
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}
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}
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