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<?php |
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/** |
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* This file is part of the League.csv library |
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* |
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* @license http://opensource.org/licenses/MIT |
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* @link https://github.com/thephpleague/csv/ |
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* @version 9.0.0 |
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* @package League.csv |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace League\Csv; |
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use Countable; |
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use DomDocument; |
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use Generator; |
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use Iterator; |
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use IteratorAggregate; |
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use JsonSerializable; |
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/** |
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* A class to manage extracting and filtering a CSV |
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* |
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* @package League.csv |
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* @since 3.0.0 |
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* |
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*/ |
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class Reader extends AbstractCsv implements JsonSerializable, Countable, IteratorAggregate |
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{ |
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/** |
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* @inheritdoc |
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*/ |
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protected $stream_filter_mode = STREAM_FILTER_READ; |
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/** |
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* Returns a collection of selected records |
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* |
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* @param Statement|null $stmt |
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* |
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* @return RecordSet |
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*/ |
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public function select(Statement $stmt = null): RecordSet |
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{ |
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$stmt = $stmt ?: new Statement(); |
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return $stmt->process($this); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function count(): int |
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{ |
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return $this->select()->count(); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getIterator(): Iterator |
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{ |
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return $this->select()->getIterator(); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function jsonSerialize() |
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{ |
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return $this->select()->jsonSerialize(); |
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} |
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/** |
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* Returns a HTML table representation of the CSV Table |
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* |
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* @param string $class_attr optional classname |
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* |
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* @return string |
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*/ |
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public function toHTML(string $class_attr = 'table-csv-data'): string |
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{ |
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return $this->select()->toHTML($class_attr); |
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} |
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/** |
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* Transforms a CSV into a XML |
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* |
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* @param string $root_name XML root node name |
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* @param string $row_name XML row node name |
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* @param string $cell_name XML cell node name |
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* |
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* @return DomDocument |
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*/ |
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public function toXML(string $root_name = 'csv', string $row_name = 'row', string $cell_name = 'cell'): DomDocument |
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{ |
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return $this->select()->toXML($root_name, $row_name, $cell_name); |
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} |
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/** |
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* Returns a sequential array of all CSV lines |
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* |
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* @return array |
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*/ |
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public function fetchAll(): array |
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{ |
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return $this->select()->fetchAll(); |
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} |
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/** |
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* Returns a single row from the CSV |
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* |
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* By default if no offset is provided the first row of the CSV is selected |
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* |
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* @param int $offset the CSV row offset |
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* |
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* @return array |
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*/ |
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public function fetchOne(int $offset = 0): array |
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{ |
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return $this->select()->fetchOne($offset); |
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} |
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/** |
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* Returns the next value from a single CSV column |
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* |
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* By default if no column index is provided the first column of the CSV is selected |
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* |
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* @param string|int $column_index CSV column index |
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* |
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* @return Iterator |
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*/ |
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public function fetchColumn($column_index = 0): Iterator |
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{ |
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return $this->select()->fetchColumn($column_index); |
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} |
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/** |
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* Fetches the next key-value pairs from a result set (first |
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* column is the key, second column is the value). |
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* |
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* By default if no column index is provided: |
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* - the first CSV column is used to provide the keys |
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* - the second CSV column is used to provide the value |
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* |
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* @param string|int $offset_index The column index to serve as offset |
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* @param string|int $value_index The column index to serve as value |
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* |
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* @return Generator |
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*/ |
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public function fetchPairs($offset_index = 0, $value_index = 1) |
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{ |
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return $this->select()->fetchPairs($offset_index, $value_index); |
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} |
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} |
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thephpleague /
csv
