/**
* Defined by Zend\Filter\FilterInterface
*
* Does a lowercase on the content of the given file
*
* @param string|array $value Full path of file to change or $_FILES data array
* @return string|array The given $value
* @throws Exception\RuntimeException
* @throws Exception\InvalidArgumentException
*/
public function filter($value)
{
// An uploaded file? Retrieve the 'tmp_name'
$isFileUpload = is_array($value) && isset($value['tmp_name']);
if ($isFileUpload) {
$uploadData = $value;
$value = $value['tmp_name'];
}
if (!file_exists($value)) {
throw new Exception\InvalidArgumentException("File '{$value}' not found");
}
if (!is_writable($value)) {
throw new Exception\InvalidArgumentException("File '{$value}' is not writable");
}
$content = file_get_contents($value);
if (!$content) {
throw new Exception\RuntimeException("Problem while reading file '{$value}'");
}
$content = parent::filter($content);
$result = file_put_contents($value, $content);
if (!$result) {
throw new Exception\RuntimeException("Problem while writing file '{$value}'");
}
if ($isFileUpload) {
return $uploadData;
}
return $value;
}
/**
* Defined by Zend\Filter\FilterInterface
*
* Does a lowercase on the content of the given file
*
* @param string $value Full path of file to change
* @return string The given $value
* @throws Exception\RuntimeException
* @throws Exception\InvalidArgumentException
*/
public function filter($value)
{
if (!file_exists($value)) {
throw new Exception\InvalidArgumentException("File '{$value}' not found");
}
if (!is_writable($value)) {
throw new Exception\InvalidArgumentException("File '{$value}' is not writable");
}
$content = file_get_contents($value);
if (!$content) {
throw new Exception\RuntimeException("Problem while reading file '{$value}'");
}
$content = parent::filter($content);
$result = file_put_contents($value, $content);
if (!$result) {
throw new Exception\RuntimeException("Problem while writing file '{$value}'");
}
return $value;
}
/**
* Defined by Zend_Filter_Interface
*
* Does a lowercase on the content of the given file
*
* @param string $value Full path of file to change
* @return string The given $value
* @throws \Zend\Filter\Exception
*/
public function __invoke($value)
{
if (!file_exists($value)) {
throw new Filter\Exception("File '{$value}' not found");
}
if (!is_writable($value)) {
throw new Filter\Exception("File '{$value}' is not writable");
}
$content = file_get_contents($value);
if (!$content) {
throw new Filter\Exception("Problem while reading file '{$value}'");
}
$content = parent::__invoke($content);
$result = file_put_contents($value, $content);
if (!$result) {
throw new Filter\Exception("Problem while writing file '{$value}'");
}
return $value;
}
/**
* @dataProvider returnUnfilteredDataProvider
* @return void
*/
public function testReturnUnfiltered($input)
{
$this->assertEquals($input, $this->_filter->filter($input));
}
