rss-bridge/formats/JsonFormat.php

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<?php
/**
* Json
* Builds a JSON string from $this->items and return it to browser.
*/
class JsonFormat extends FormatAbstract {
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public function stringify(){
$items = $this->getItems();
$toReturn = json_encode($items, JSON_PRETTY_PRINT);
// Remove invalid non-UTF8 characters
ini_set('mbstring.substitute_character', 'none');
$toReturn = mb_convert_encoding($toReturn, $this->getCharset(), 'UTF-8');
return $toReturn;
}
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public function display(){
$this
->setContentType('application/json; charset=' . $this->getCharset())
->callContentType();
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return parent::display();
}
}