isSMTP();
//Enable SMTP debugging
// 0 = off (for production use)
// 1 = client messages
// 2 = client and server messages
$mail->SMTPDebug = 0;
//Set the hostname of the mail server
$mail->Host = 'mail.example.com';
//Set the SMTP port number - likely to be 25, 465 or 587
$mail->Port = 25;
//Whether to use SMTP authentication
$mail->SMTPAuth = true;
//Username to use for SMTP authentication
$mail->Username = 'yourname@example.com';
//Password to use for SMTP authentication
$mail->Password = 'yourpassword';
//Set who the message is to be sent from
$mail->setFrom('from@example.com', 'First Last');
//Set an alternative reply-to address
$mail->addReplyTo('replyto@example.com', 'First Last');
//Set who the message is to be sent to
$mail->addAddress($receiver);
//Set the subject line
$mail->Subject = 'Hi '.$receiver.'!';
//Read an HTML message body from an external file, convert referenced images to embedded,
//convert HTML into a basic plain-text alternative body
$mail->msgHTML(str_replace( 'This is a test of PHPMailer.
', 'Hi '.$receiver.'
', file_get_contents('contents.html')), __DIR__);
//Replace the plain text body with one created manually
$mail->AltBody = 'This is a plain-text message body for '.$receiver;
//Attach an image file
$mail->addAttachment('images/phpmailer_mini.png');
//Build the mail content
$mail->preSend();
unset($mail);
}
$cost = microtime(true) - $start;
echo $cost . " sec\n";
echo "Sending $receiver_count mails with only one PHPMailer instance: ";
$start = microtime(true);
{
//Create a new PHPMailer instance
$mail = new PHPMailer;
//Tell PHPMailer to use SMTP
$mail->isSMTP();
//Enable SMTP debugging
// 0 = off (for production use)
// 1 = client messages
// 2 = client and server messages
$mail->SMTPDebug = 0;
//Set the hostname of the mail server
$mail->Host = 'mail.example.com';
//Set the SMTP port number - likely to be 25, 465 or 587
$mail->Port = 25;
//Whether to use SMTP authentication
$mail->SMTPAuth = true;
//Username to use for SMTP authentication
$mail->Username = 'yourname@example.com';
//Password to use for SMTP authentication
$mail->Password = 'yourpassword';
//Set who the message is to be sent from
$mail->setFrom('from@example.com', 'First Last');
//Set an alternative reply-to address
$mail->addReplyTo('replyto@example.com', 'First Last');
//Attach an image file
$mail->addAttachment('images/phpmailer_mini.png');
foreach ($receiver_list as $receiver) {
//Reset addresses
$mail->clearAddresses();
//Set who the message is to be sent to
$mail->addAddress($receiver);
//Set the subject line
$mail->Subject = 'Hi '.$receiver.'!';
//Read an HTML message body from an external file, convert referenced images to embedded,
//convert HTML into a basic plain-text alternative body
$mail->msgHTML(str_replace( 'This is a test of PHPMailer.
', 'Hi '.$receiver.'
', file_get_contents('contents.html')), __DIR__);
//Replace the plain text body with one created manually
$mail->AltBody = 'This is a plain-text message body for '.$receiver;
//Build the mail content
$mail->preSend();
}
}
$cost = microtime(true) - $start;
echo $cost . " sec\n";
//
// ---
//
class MyCacheHelper implements Psr\SimpleCache\CacheInterface {
protected $cacheStore = [];
public function get($key, $default = null) {
if (array_key_exists($key, $this->cacheStore)) {
return $this->cacheStore[$key];
}
return $default;
}
public function set($key, $value, $ttl = null) {
$this->cacheStore[$key] = $value;
}
public function delete($key) {
usset($this->cacheStore[$key]);
}
public function clear() {
usset($this->cacheStore);
$this->cacheStore = [];
}
public function has($key) {
return array_key_exists($key, $this->cacheStore);
}
public function getMultiple($keys, $default = null) {
}
public function setMultiple($values, $ttl = null) {
}
public function deleteMultiple($keys) {
}
}
echo "Sending $receiver_count mails with creating a new PHPMailer instance and MIMECache: ";
$start = microtime(true);
//$cacheLookupTable = [];
$cacheLookupTable = new MyCacheHelper;
foreach ($receiver_list as $receiver) {
//Create a new PHPMailer instance
$mail = new PHPMailer;
//Tell PHPMailer to use SMTP
$mail->isSMTP();
//Enable SMTP debugging
// 0 = off (for production use)
// 1 = client messages
// 2 = client and server messages
$mail->SMTPDebug = 0;
//Set the hostname of the mail server
$mail->Host = 'mail.example.com';
//Set the SMTP port number - likely to be 25, 465 or 587
$mail->Port = 25;
//Whether to use SMTP authentication
$mail->SMTPAuth = true;
//Username to use for SMTP authentication
$mail->Username = 'yourname@example.com';
//Password to use for SMTP authentication
$mail->Password = 'yourpassword';
//Set who the message is to be sent from
$mail->setFrom('from@example.com', 'First Last');
//Set an alternative reply-to address
$mail->addReplyTo('replyto@example.com', 'First Last');
//Set who the message is to be sent to
$mail->addAddress($receiver);
//Set the subject line
$mail->Subject = 'Hi '.$receiver.'!';
//Read an HTML message body from an external file, convert referenced images to embedded,
//convert HTML into a basic plain-text alternative body
$mail->msgHTML(str_replace( 'This is a test of PHPMailer.
', 'Hi '.$receiver.'
', file_get_contents('contents.html')), __DIR__);
//Replace the plain text body with one created manually
$mail->AltBody = 'This is a plain-text message body for '.$receiver;
//Attach an image file
$mail->addAttachment('images/phpmailer_mini.png');
//Set Reduce MIME Encode Cache Store
$mail->MIMECache = &$cacheLookupTable;
//Build the mail content
$mail->preSend();
unset($mail);
}
$cost = microtime(true) - $start;
echo $cost . " sec\n";
//
// ---
//
echo "Sending $receiver_count mails with only one PHPMailer instance and MIMECache: ";
$start = microtime(true);
//$cacheLookupTable = [];
$cacheLookupTable = new MyCacheHelper;
{
//Create a new PHPMailer instance
$mail = new PHPMailer;
//Tell PHPMailer to use SMTP
$mail->isSMTP();
//Enable SMTP debugging
// 0 = off (for production use)
// 1 = client messages
// 2 = client and server messages
$mail->SMTPDebug = 0;
//Set the hostname of the mail server
$mail->Host = 'mail.example.com';
//Set the SMTP port number - likely to be 25, 465 or 587
$mail->Port = 25;
//Whether to use SMTP authentication
$mail->SMTPAuth = true;
//Username to use for SMTP authentication
$mail->Username = 'yourname@example.com';
//Password to use for SMTP authentication
$mail->Password = 'yourpassword';
//Set who the message is to be sent from
$mail->setFrom('from@example.com', 'First Last');
//Set an alternative reply-to address
$mail->addReplyTo('replyto@example.com', 'First Last');
//Attach an image file
$mail->addAttachment('images/phpmailer_mini.png');
//Set Reduce MIME Encode Cache Store
$mail->MIMECache = &$cacheLookupTable;
foreach ($receiver_list as $receiver) {
//Reset addresses
$mail->clearAddresses();
//Set who the message is to be sent to
$mail->addAddress($receiver);
//Set the subject line
$mail->Subject = 'Hi '.$receiver.'!';
//Read an HTML message body from an external file, convert referenced images to embedded,
//convert HTML into a basic plain-text alternative body
$mail->msgHTML(str_replace( 'This is a test of PHPMailer.
', 'Hi '.$receiver.'
', file_get_contents('contents.html')), __DIR__);
//Replace the plain text body with one created manually
$mail->AltBody = 'This is a plain-text message body for '.$receiver;
//Build the mail content
$mail->preSend();
}
}
$cost = microtime(true) - $start;
echo $cost . " sec\n";