foreach ($this->additionalMailHeader as $name => $values) {
if (is_array($values)) {
foreach ($values as $value) {
- $headerString .= $name . ': ' . $value . '\n';
+ $headerString .= "$name: $value\n";
}
} else {
- $headerString .= $name . ': ' . $values . '\n';
+ $headerString .= "$name: $values\n";
}
}
return $headerString;