Writer.php
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<?php
namespace Hranicka\Csv;
class Writer
{
/** @var string */
private $filePath;
/** @var array */
private $data;
/** @var bool */
private $hasHeaderRow;
/** @var string */
private $delimiter;
/** @var string */
private $enclosure;
/** @var resource */
private $handler;
/**
* @param string $filePath CSV file path
* @param array $data
* @param bool $hasHeaderRow Is the first row header?
*/
public function __construct($filePath, array $data, $hasHeaderRow = TRUE)
{
$this->filePath = $filePath;
$this->data = $data;
$this->hasHeaderRow = $hasHeaderRow;
$this->setup();
}
/**
* @param string $delimiter
* @param string $enclosure
* @return $this
*/
public function setup($delimiter = ',', $enclosure = '"')
{
$this->delimiter = $delimiter;
$this->enclosure = $enclosure;
return $this;
}
/**
* @return array
* @throws InvalidFileException
*/
public function write()
{
$this->openHandler();
$line = 0;
$keys = NULL;
foreach ($this->data as $row) {
$line++;
if ($this->hasHeaderRow) {
if ($keys === NULL) {
$keys = array_keys($row);
$this->writeRow($keys);
}
$values = array_values($row);
if (count($keys) !== count($values)) {
throw new InvalidFileException("Invalid columns detected on line #$line.");
}
}
$this->writeRow(array_values($row));
}
$this->closeHandler();
}
private function openHandler()
{
$this->handler = fopen($this->filePath, 'w');
if ($this->handler === FALSE) {
throw new InvalidFileException('Cannot open the file.');
}
}
private function closeHandler()
{
fclose($this->handler);
$this->handler = NULL;
}
/**
* @param array $data
* @return int
*/
private function writeRow(array $data)
{
return fputcsv($this->handler, $this->convertTypes($data), $this->delimiter, $this->enclosure);
}
/**
* @param array $data
* @return array
*/
private function convertTypes(array $data)
{
foreach ($data as & $value) {
if (is_array($value)) {
$value = json_encode($value);
}
$value = (string)$value;
}
return $data;
}
}