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<?php
class StudipResponse extends Trails\Response
{
/**
* Outputs this response to the client using "echo" and "header".
*
* This extension allows the body to be a callable and handles generators
* by outputting the chunks yielded by the generator.
*/
public function output()
{
if (isset($this->status)) {
$this->send_header(
"{$_SERVER['SERVER_PROTOCOL']} {$this->status} {$this->reason}",
true,
$this->status
);
}
// Send headers
foreach ($this->headers as $k => $v) {
$this->send_header("{$k}: {$v}");
}
// Determine output
if (is_callable($this->body)) {
$output = call_user_func($this->body);
} else {
$output = $this->body;
}
if ($output instanceof Generator) {
// Clear output buffer
while (ob_get_level()) {
ob_end_clean();
}
// Ensure generator will run to the end
$abort = ignore_user_abort(true);
// Output chunks yielded by generator
foreach ($output as $chunk) {
if (!connection_aborted()) {
echo $chunk;
flush();
}
}
// Reset user abort to previous state
ignore_user_abort($abort);
} else {
echo $output;
}
}
}
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