| protected _writeStream ( array $data, array $options = [] ) : resource | ||
| $data | array | The data to write. Either a stream resource or a string. |
| $options | array | Additional options: - error: (boolean) Catch errors when writing to the stream. Throw an ErrorException if an error is found. DEFAULT: false - filter: (array) Filter(s) to apply to the string. Keys are the filter names, values are filter params. - fp: (resource) Use this stream instead of creating a new one. |
| return | resource | The stream resource. |
protected function _writeStream($data, $options = array())
{
if (empty($options['fp'])) {
$fp = fopen('php://temp/maxmemory:' . self::$memoryLimit, 'r+');
} else {
$fp = $options['fp'];
fseek($fp, 0, SEEK_END);
}
if (!is_array($data)) {
$data = array($data);
}
$append_filter = array();
if (!empty($options['filter'])) {
foreach ($options['filter'] as $key => $val) {
$append_filter[] = stream_filter_append($fp, $key, STREAM_FILTER_WRITE, $val);
}
}
if (!empty($options['error'])) {
set_error_handler(function ($errno, $errstr) {
throw new ErrorException($errstr, $errno);
});
$error = null;
}
try {
reset($data);
while (list(, $d) = each($data)) {
if (is_resource($d)) {
rewind($d);
while (!feof($d)) {
fwrite($fp, fread($d, 8192));
}
} elseif (is_string($d)) {
$len = strlen($d);
$i = 0;
while ($i < $len) {
fwrite($fp, substr($d, $i, 8192));
$i += 8192;
}
}
}
} catch (ErrorException $e) {
$error = $e;
}
foreach ($append_filter as $val) {
stream_filter_remove($val);
}
if (!empty($options['error'])) {
restore_error_handler();
if ($error) {
throw $error;
}
}
return $fp;
}