/**
* @param FormatterData $data
* @return mixed
*
* This method must use a FormatterData object and output
* a formatted value.
*/
public function encode(FormatterData $data)
{
$string = "";
/**
* Get the first row and delimiters lengths
*/
$firstRow = $data->getRow();
$delimiterLength = strlen($this->delimiter);
$lineReturnLength = strlen($this->lineReturn);
if ($firstRow === false) {
return "";
}
/**
* check if $this->order doesn't have non-existing rows
*/
$this->checkOrders($firstRow);
$rawKeys = array_keys($firstRow);
$keys = [];
foreach ($rawKeys as $key) {
$keys[$key] = $key;
}
$values = $data->getData();
array_unshift($values, $keys);
while (null !== ($row = array_shift($values))) {
/**
* First put the sorted ones
*/
foreach ($this->order as $order) {
$string .= $this->formatField($row[$order]);
unset($row[$order]);
}
/**
* Then place the fields,
* order by name
*/
ksort($row);
foreach ($keys as $key) {
if (array_key_exists($key, $row)) {
$string .= $this->formatField($row[$key]);
}
}
$string = substr($string, 0, -$delimiterLength) . $this->lineReturn;
}
return substr($string, 0, -$lineReturnLength);
}
public function testPopRow()
{
$data = new FormatterData();
$row = ["title" => "A super book", "author" => "Manu"];
$data->addRow($row);
$this->assertEquals($row, $data->popRow());
$this->assertFalse($data->getRow());
}