addTo('test1@example.com'); $header->addTo('test2@example.com'); #$header->setTos(array('you@youremail.com', 'other@otheremail.com')); # [Substitutions](http://sendgrid.com/docs/API_Reference/SMTP_API/substitution_tags.html) $header->addSubstitution('keep', array('secret')); // sub = {keep: ['secret']} $header->addSubstitution('other', array('one', 'two')); // sub = {keep: ['secret'], other: ['one', 'two']} #$header->setSubstitutions(array('keep' => array('secret'))); // sub = {keep: ['secret']} # [Unique Arguments](http://sendgrid.com/docs/API_Reference/SMTP_API/unique_arguments.html) #$header->addUniqueArg('cat', 'dogs'); $header->setUniqueArgs(array('cow' => 'chicken')); $header->setUniqueArgs(array('dad' => 'proud')); # [Categories](http://sendgrid.com/docs/API_Reference/SMTP_API/categories.html) $header->addCategory('tactics'); // category = ['tactics'] $header->addCategory('advanced'); // category = ['tactics', 'advanced'] #$header->setCategories(array('tactics', 'advanced')); // category = ['tactics', 'advanced'] # [Sections](http://sendgrid.com/docs/API_Reference/SMTP_API/section_tags.html) $header->addSection('-charge-', 'This ship is useless.'); $header->addSection('-bomber-', 'Only for sad vikings.'); #$header->setSections(array('-charge-' => 'This ship is useless.')); # [Filters](http://sendgrid.com/docs/API_Reference/SMTP_API/apps.html) #$header->addFilter('footer', 'enable', 1); #$header->addFilter('footer', 'text/html', 'boo'); $filter = array( 'footer' => array( 'setting' => array( 'enable' => 1, 'text/plain' => 'You can haz footers!' ) ) ); $header->setFilters($filter); # [ASM Group ID](https://sendgrid.com/docs/User_Guide/Suppressions/advanced_suppression_manager.html) $header->setASMGroupID(42); # [IP Pools](https://sendgrid.com/docs/API_Reference/Web_API_v3/IP_Management/ip_pools.html) $header->setIpPool('pool_name'); # [Scheduling Parameters](https://sendgrid.com/docs/API_Reference/SMTP_API/scheduling_parameters.html) #$header->setSendEachAt(array(1409348513, 1409348514, 1409348515)); #$header->addSendEachAt(1409348513); #$header->addSendEachAt(1409348514); $header->setSendAt(1409348513); # must be a unix timestamp # This gives you back the stringified json formatted X-SMTPAPI header. Use this with your [smtp client](https://github.com/andris9/simplesmtp) of choice. print_r $header->jsonString(); # If you don't want to unicode escape, you can set options parameter for jsonString() (PHP 5.4 or later). #$header->jsonString(JSON_UNESCAPED_UNICODE); ?>