include/lib/swiftmailer/preferences.php
<?php
/****************************************************************************/
/* */
/* YOU MAY WISH TO MODIFY OR REMOVE THE FOLLOWING LINES WHICH SET DEFAULTS */
/* */
/****************************************************************************/
$preferences = Swift_Preferences::getInstance();
// Sets the default charset so that setCharset() is not needed elsewhere
$preferences->setCharset('utf-8');
// Without these lines the default caching mechanism is "array" but this uses a lot of memory.
// If possible, use a disk cache to enable attaching large attachments etc.
// You can override the default temporary directory by setting the TMPDIR environment variable.
// The @ operator in front of is_writable calls is to avoid PHP warnings
// when using open_basedir
$tmp = getenv('TMPDIR');
if ($tmp && @is_writable($tmp)) {
$preferences
->setTempDir($tmp)
->setCacheType('disk');
} elseif (function_exists('sys_get_temp_dir') && @is_writable(sys_get_temp_dir())) {
$preferences
->setTempDir(sys_get_temp_dir())
->setCacheType('disk');
}
// this should only be done when Swiftmailer won't use the native QP content encoder
// see mime_deps.php
if (version_compare(phpversion(), '5.4.7', '<')) {
$preferences->setQPDotEscape(false);
}