/
ToUpper.php
65 lines (54 loc) · 1.32 KB
/
ToUpper.php
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<?php
namespace DMS\Filter\Rules;
use DMS\Filter\Exception\FilterException;
/**
* ToUpper Rule
*
* @package DMS
* @subpackage Filter
*
* @Annotation
*/
class ToUpper extends Rule
{
/**
* Encoding to be used
*
* @var string
*/
public $encoding = null;
/**
* {@inheritDoc}
*/
public function applyFilter($value)
{
if ($this->useEncoding()) {
return mb_strtoupper((string) $value, $this->encoding);
}
return strtoupper((string) $value);
}
/**
* Verify is encoding is set and if we have the proper
* function to use it
*
* @return boolean
*/
public function useEncoding()
{
if ($this->encoding === null) {
return false;
}
if (!function_exists('mb_strtoupper')) {
throw new FilterException(
'mbstring is required to use ToLower with an encoding.');
}
$this->encoding = (string) $this->encoding;
$encodings = array_map('strtolower', mb_list_encodings());
if (!in_array(strtolower($this->encoding), $encodings)) {
throw new FilterException(
"mbstring does not support the '".$this->encoding."' encoding"
);
}
return true;
}
}