undefined offset :4 in line 86 and 89

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function deletethis(delid) { if(confirm("Do you Want To Delete !")){ window.location.href='delete_event.php?del_id=' +delid+''; return true; } }
Hello Anand1100, Sorry for the problem with undefined offset. We normally do not provide programming assistance as it is outside the scope of our support. However, we do try to point you in the direction of an appropriate solution. In this case, if you look at the definition of the error: undefined offset error in PHP, you will find very specific definitions of it and how it occurs. You should then be able to apply it to your code and make the necessary corrections. I hope this helps to answer your question, please let us know if you require any further assistance. Regards, Arnel C.