Send file as Email attachment using hook_mail_alter drupal 7 programmatically (example webform submit)

Hi guys,

In this tutorial we can see how we can send files as attachments in drupal 7 on webform submit using a hook_mail_alter 

1) For this we need Mime Mail module and webform module

2) Create a simple module and use hook_mail_alter like below, In my case "attach_web" is my module name

function attach_web_mail_alter(&$message) {
$f1 =array(
'filecontent' => file_get_contents("https://yourdomain.com/path/of/file/dummy.pdf"),
'filename' => "dummy.pdf",
'filemime' => 'application/pdf'
);
$message['params']['attachments'][] = $f1;
}

3) you can use existing variable under $message variable like $message->id or $message->module etc.

4) For mutliple files you can do like below :

function attach_web_mail_alter(&$message) {
$f1 =array(
'filecontent' => file_get_contents("https://yourdomain.com/path/of/file/dummy.pdf"),
'filename' => "dummy.pdf",
'filemime' => 'application/pdf'
);
$f2 =array(
'filecontent' => file_get_contents("https://yourdomain.com/path/of/file/dummy2.pdf"),
'filename' => "dummy2.pdf",
'filemime' => 'application/pdf'
);
$message['params']['attachments'][] = $f1;
$message['params']['attachments'][] = $f2;
}

Hopes this helps, thanks

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