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<?php |
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declare(strict_types=1); |
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/** |
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* BEdita, API-first content management framework |
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* Copyright 2023 Atlas Srl, Chialab Srl |
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* |
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* This file is part of BEdita: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* See LICENSE.LGPL or <http://gnu.org/licenses/lgpl-3.0.html> for more details. |
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*/ |
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namespace BEdita\ImportTools\Utility; |
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use Cake\Core\InstanceConfigTrait; |
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/** |
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* Trait for share Csv stuff. |
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* |
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* This provides `readCsv` method to progressively read a csv file line by line. |
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* |
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* Usage example: |
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* ```php |
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* use BEdita\ImportTools\Utility\CsvTrait; |
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* |
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* class MyImporter |
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* { |
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* use CsvTrait; |
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* |
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* public function import(string $filename): void |
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* { |
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* foreach ($this->readCsv($filename) as $obj) { |
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* // process $obj |
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* } |
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* } |
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* } |
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* ``` |
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*/ |
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trait CsvTrait |
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{ |
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use InstanceConfigTrait; |
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use FileTrait; |
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/** |
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* Progressively read a CSV file, line by line |
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* |
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* @param string $path Path to CSV file |
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* @param bool $assoc If `true` uses first CSV row as column names, thus yielding associative arrays. Otherwise, all rows are yielded and columns are indexed by their positions. |
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* @return \Generator<array<array-key, string>> |
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*/ |
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protected function readCsv(string $path, bool $assoc = true): \Generator |
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{ |
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$delimiter = $this->getConfig('csv.delimiter', ','); |
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$enclosure = $this->getConfig('csv.enclosure', '"'); |
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$escape = $this->getConfig('csv.escape', '\\'); |
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[$fh, $close] = static::readFileStream($path); |
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try { |
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flock($fh, LOCK_SH); |
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$header = $assoc ? fgetcsv($fh, 0, $delimiter, $enclosure, $escape) : null; |
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$i = 0; |
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while (($row = fgetcsv($fh, 0, $delimiter, $enclosure, $escape)) !== false) { |
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yield $i++ => $header !== null ? array_combine($header, $row) : $row; |
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} |
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} finally { |
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$close(); |
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} |
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} |
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} |
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bedita /
import-tools
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