Fix bugs in php application

Hello, We have a php-mysql application for sending bulk sms. The application is live and it is working as expected. We need someone to help us fix some bugs and make some additions. Below are the fixes we need. 1) When you delete an sms template there is no approval window (Delete this? Yes or No?) 2) Scheduled sms is not working as expected. I can create scheduled tasks but if i want to delet them, I cannot. I click delete but nothing is happening. 3) Multiple delete of contact groups. I have groups and I need to put checkboxes. When selected to select all entries and multiple delete them. 4) When you delete a contact group, it should delete all statistics as well. I deleted contact group but its statistics-sends are left orphaned. 5) I cannot delete statistics. There is no delete button to delete. 6) when you delete a sender id there is no approval window.(Delete this? Yes or No?) 7) Multiple delete sender ids with checkboxes 8) At a specific page I want to echo the sending gateway the user has used. 9) Add infobip gateway API to send SMS. 10) Add some very simple graphs at the dashboard