Update Composer, update everything
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Oliver Davies
parent
ea3e94409f
commit
dda5c284b6
19527 changed files with 1135420 additions and 351004 deletions
247
vendor/symfony/serializer/Encoder/CsvEncoder.php
vendored
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247
vendor/symfony/serializer/Encoder/CsvEncoder.php
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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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namespace Symfony\Component\Serializer\Encoder;
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use Symfony\Component\Serializer\Exception\InvalidArgumentException;
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/**
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* Encodes CSV data.
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*
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* @author Kévin Dunglas <dunglas@gmail.com>
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* @author Oliver Hoff <oliver@hofff.com>
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*/
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class CsvEncoder implements EncoderInterface, DecoderInterface
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{
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const FORMAT = 'csv';
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const DELIMITER_KEY = 'csv_delimiter';
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const ENCLOSURE_KEY = 'csv_enclosure';
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const ESCAPE_CHAR_KEY = 'csv_escape_char';
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const KEY_SEPARATOR_KEY = 'csv_key_separator';
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const HEADERS_KEY = 'csv_headers';
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private $delimiter;
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private $enclosure;
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private $escapeChar;
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private $keySeparator;
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/**
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* @param string $delimiter
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* @param string $enclosure
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* @param string $escapeChar
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* @param string $keySeparator
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*/
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public function __construct($delimiter = ',', $enclosure = '"', $escapeChar = '\\', $keySeparator = '.')
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{
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$this->delimiter = $delimiter;
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$this->enclosure = $enclosure;
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$this->escapeChar = $escapeChar;
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$this->keySeparator = $keySeparator;
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}
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/**
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* {@inheritdoc}
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*/
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public function encode($data, $format, array $context = array())
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{
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$handle = fopen('php://temp,', 'w+');
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if (!\is_array($data)) {
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$data = array(array($data));
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} elseif (empty($data)) {
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$data = array(array());
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} else {
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// Sequential arrays of arrays are considered as collections
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$i = 0;
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foreach ($data as $key => $value) {
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if ($i !== $key || !\is_array($value)) {
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$data = array($data);
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break;
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}
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++$i;
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}
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}
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list($delimiter, $enclosure, $escapeChar, $keySeparator, $headers) = $this->getCsvOptions($context);
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foreach ($data as &$value) {
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$flattened = array();
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$this->flatten($value, $flattened, $keySeparator);
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$value = $flattened;
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}
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unset($value);
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$headers = array_merge(array_values($headers), array_diff($this->extractHeaders($data), $headers));
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fputcsv($handle, $headers, $delimiter, $enclosure, $escapeChar);
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$headers = array_fill_keys($headers, '');
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foreach ($data as $row) {
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fputcsv($handle, array_replace($headers, $row), $delimiter, $enclosure, $escapeChar);
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}
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rewind($handle);
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$value = stream_get_contents($handle);
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fclose($handle);
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return $value;
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}
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/**
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* {@inheritdoc}
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*/
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public function supportsEncoding($format)
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{
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return self::FORMAT === $format;
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}
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/**
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* {@inheritdoc}
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*/
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public function decode($data, $format, array $context = array())
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{
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$handle = fopen('php://temp', 'r+');
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fwrite($handle, $data);
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rewind($handle);
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$headers = null;
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$nbHeaders = 0;
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$headerCount = array();
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$result = array();
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list($delimiter, $enclosure, $escapeChar, $keySeparator) = $this->getCsvOptions($context);
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while (false !== ($cols = fgetcsv($handle, 0, $delimiter, $enclosure, $escapeChar))) {
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$nbCols = \count($cols);
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if (null === $headers) {
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$nbHeaders = $nbCols;
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foreach ($cols as $col) {
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$header = explode($keySeparator, $col);
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$headers[] = $header;
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$headerCount[] = \count($header);
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}
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continue;
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}
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$item = array();
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for ($i = 0; ($i < $nbCols) && ($i < $nbHeaders); ++$i) {
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$depth = $headerCount[$i];
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$arr = &$item;
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for ($j = 0; $j < $depth; ++$j) {
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// Handle nested arrays
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if ($j === ($depth - 1)) {
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$arr[$headers[$i][$j]] = $cols[$i];
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continue;
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}
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if (!isset($arr[$headers[$i][$j]])) {
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$arr[$headers[$i][$j]] = array();
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}
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$arr = &$arr[$headers[$i][$j]];
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}
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}
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$result[] = $item;
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}
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fclose($handle);
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if (empty($result) || isset($result[1])) {
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return $result;
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}
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// If there is only one data line in the document, return it (the line), the result is not considered as a collection
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return $result[0];
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}
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/**
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* {@inheritdoc}
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*/
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public function supportsDecoding($format)
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{
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return self::FORMAT === $format;
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}
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/**
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* Flattens an array and generates keys including the path.
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*
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* @param array $array
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* @param array $result
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* @param string $keySeparator
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* @param string $parentKey
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*/
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private function flatten(array $array, array &$result, $keySeparator, $parentKey = '')
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{
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foreach ($array as $key => $value) {
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if (\is_array($value)) {
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$this->flatten($value, $result, $keySeparator, $parentKey.$key.$keySeparator);
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} else {
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$result[$parentKey.$key] = $value;
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}
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}
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}
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private function getCsvOptions(array $context)
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{
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$delimiter = isset($context[self::DELIMITER_KEY]) ? $context[self::DELIMITER_KEY] : $this->delimiter;
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$enclosure = isset($context[self::ENCLOSURE_KEY]) ? $context[self::ENCLOSURE_KEY] : $this->enclosure;
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$escapeChar = isset($context[self::ESCAPE_CHAR_KEY]) ? $context[self::ESCAPE_CHAR_KEY] : $this->escapeChar;
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$keySeparator = isset($context[self::KEY_SEPARATOR_KEY]) ? $context[self::KEY_SEPARATOR_KEY] : $this->keySeparator;
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$headers = isset($context[self::HEADERS_KEY]) ? $context[self::HEADERS_KEY] : array();
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if (!\is_array($headers)) {
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throw new InvalidArgumentException(sprintf('The "%s" context variable must be an array or null, given "%s".', self::HEADERS_KEY, \gettype($headers)));
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}
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return array($delimiter, $enclosure, $escapeChar, $keySeparator, $headers);
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}
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/**
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* @return string[]
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*/
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private function extractHeaders(array $data)
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{
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$headers = array();
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$flippedHeaders = array();
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foreach ($data as $row) {
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$previousHeader = null;
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foreach ($row as $header => $_) {
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if (isset($flippedHeaders[$header])) {
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$previousHeader = $header;
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continue;
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}
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if (null === $previousHeader) {
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$n = \count($headers);
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} else {
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$n = $flippedHeaders[$previousHeader] + 1;
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for ($j = \count($headers); $j > $n; --$j) {
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++$flippedHeaders[$headers[$j] = $headers[$j - 1]];
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}
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}
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$headers[$n] = $header;
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$flippedHeaders[$header] = $n;
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$previousHeader = $header;
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}
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}
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return $headers;
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}
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}
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