d1i1m1o1n · November 23, 2015 14:33
diff --git a/form.php b/form.php
 <form method="post" action="<?php echo POST_FORM_ACTION_URI?>">
  <?php echo bitrix_sessid_post()?>
  <input type="submit" name="submit" value="Submit">
 </form>
diff --git a/processing.php b/processing.php
 <?php 
 if (check_bitrix_sessid() && (!empty($_REQUEST["submit"])))
  //processing
 }
	<form method="post" action="<?php echo POST_FORM_ACTION_URI?>">
	<?php echo bitrix_sessid_post()?>
	<input type="submit" name="submit" value="Submit">
	</form>
	<?php
	if (check_bitrix_sessid() && (!empty($_REQUEST["submit"])))
	//processing
	}