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<?php |
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namespace BestServedCold\PhalueObjects\Format\String; |
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use BestServedCold\PhalueObjects\Contract\VOArrayable; |
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use BestServedCold\PhalueObjects\VOArray; |
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/** |
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* Class Csv |
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* |
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* @package BestServedCold\PhalueObjects\Format |
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*/ |
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class Csv extends AbstractString implements VOArrayable |
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{ |
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/** |
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* @param array $array |
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* @param string $delimiter |
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* @param string $enclosure |
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* @param string $escape |
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* @return static |
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*/ |
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public static function fromArray( |
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array $array, |
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$delimiter = ',', |
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$enclosure = '"', |
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$escape = '\\' |
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) { |
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return new static(self::hack($array, $delimiter, $enclosure, $escape)); |
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} |
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/** |
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* @param VOArray $voArray |
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* @param string $delimiter |
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* @param string $enclosure |
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* @param string $escape |
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* @return static |
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*/ |
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public static function fromVOArray( |
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VOArray $voArray, |
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$delimiter = ',', |
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$enclosure = '"', |
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$escape = '\\' |
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) { |
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return static::fromArray($voArray->getValue(), $delimiter, $enclosure, $escape); |
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} |
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/** |
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* @param string $delimiter |
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* @param string $enclosure |
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* @param string $escape |
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* @return array |
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*/ |
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public function toArray($delimiter = ",", $enclosure = '"', $escape = "\\") |
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{ |
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$lines = explode("\n", $this->getValue()); |
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return is_array($lines) && count($lines) > 1 |
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? array_map($this->iterateCallback($delimiter, $enclosure, $escape), array_filter($lines)) |
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: str_getcsv($this->getValue(), $delimiter, $enclosure, $escape); |
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} |
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/** |
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* Move this out into the VOClosure namespace. |
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* |
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* @param $delimiter |
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* @param $enclosure |
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* @param $escape |
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* @return \Closure |
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*/ |
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private function iterateCallback($delimiter, $enclosure, $escape) |
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{ |
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return function ($row) use ($delimiter, $enclosure, $escape) { |
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return Csv::fromString($row)->toArray($delimiter, $enclosure, $escape); |
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}; |
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} |
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/** |
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* Hack |
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* |
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* PHP does not have a function to convert an array to CSV, however, fputcsv() does. |
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* We do this in memory using a file handle. It's not pretty, but it works. |
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* |
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* I'm planning on abstracting this out into the File namespace in the near future. |
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* |
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* @param array $array |
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* @param string $delimiter |
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* @param string $enclosure |
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* @param string $escape |
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* @return string |
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*/ |
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private static function hack(array $array, $delimiter, $enclosure, $escape) |
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{ |
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$handle = fopen('php://temp', 'r+'); |
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VOArray::fromArray($array)->isMultiDim() |
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? self::hackWrite($handle, $array, $delimiter, $enclosure, $escape) |
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: fputcsv($handle, $array, $delimiter, $enclosure, $escape); |
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rewind($handle); |
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return self::hackRead($handle); |
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} |
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/** |
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* @param $handle |
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* @param array $array |
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* @param $delimiter |
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* @param $enclosure |
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* @param $escape |
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*/ |
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private static function hackWrite($handle, array $array, $delimiter, $enclosure, $escape) |
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{ |
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foreach ($array as $line) { |
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fputcsv($handle, $line, $delimiter, $enclosure, $escape); |
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} |
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} |
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/** |
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* @param $handle |
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* @param string $contents |
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* @return string |
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*/ |
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private static function hackRead($handle, $contents = '') |
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{ |
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while (!feof($handle)) { |
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$contents .= fread($handle, 8192); |
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} |
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fclose($handle); |
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return $contents; |
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} |
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} |
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nark3d /
PhalueObjects
