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<?php |
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namespace Ddeboer\DataImport\ValueConverter; |
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use \Ddeboer\DataImport\Exception\UnexpectedValueException; |
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/** |
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* Convert an date string into another date string |
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* Eg. You want to change the format of a string OR |
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* If no output specified, return DateTime instance |
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* |
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* @author David de Boer <[email protected]> |
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*/ |
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class DateTimeValueConverter |
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{ |
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/** |
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* Date time format |
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* |
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* @var string |
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* |
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* @see http://php.net/manual/en/datetime.createfromformat.php |
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*/ |
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protected $inputFormat; |
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/** |
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* Date time format |
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* |
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* @var string |
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* |
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* @see http://php.net/manual/en/datetime.createfromformat.php |
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*/ |
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protected $outputFormat; |
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/** |
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* @param string $inputFormat |
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* @param string $outputFormat |
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*/ |
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public function __construct($inputFormat = null, $outputFormat = null) |
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{ |
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$this->inputFormat = $inputFormat; |
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$this->outputFormat = $outputFormat; |
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} |
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/** |
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* Convert string to date time object then convert back to a string |
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* using specified format |
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* |
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* If no output format specified then return |
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* the \DateTime instance |
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* |
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* @param mixed $input |
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* @return \DateTime|string |
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* @throws UnexpectedValueException |
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*/ |
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public function __invoke($input) |
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{ |
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if (!$input) { |
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return; |
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} |
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if ($this->inputFormat) { |
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$date = \DateTime::createFromFormat($this->inputFormat, $input); |
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if (false === $date) { |
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throw new UnexpectedValueException( |
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$input . ' is not a valid date/time according to format ' . $this->inputFormat |
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); |
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} |
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} else { |
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$date = new \DateTime($input); |
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} |
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if ($this->outputFormat) { |
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return $date->format($this->outputFormat); |
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} |
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//if no output format specified we just return the \DateTime instance |
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return $date; |
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} |
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} |
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ddeboer /
data-import
