I want to upload image into database but it display undefined index

Question

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I WANT TO INSERT NEW IMAGE INTO DATABASE BUT IT DISPLAY UNDEFINED INDEX

PHP

<div class="col-md-6 col-sm-6">
	Buyer Passport
	
		
</div>


 //  DANGEROUS ZONE
	$picture  = $_FILES['passport']['name'];
	$ppt = date('dmyHis').$picture;
	move_uploaded_file($_FILES['passport']['tmp_name'],"upload/".$ppt);
	$passport = $_FILES['passport']['name']; 
	//echo $passport = $_FILES['passport']['name']; 

//  DANGEROUS ZONE

What I have tried:

HTML

<div class="col-md-6 col-sm-6">
	Buyer Passport
	
		
</div>


 //  DANGEROUS ZONE
	$picture  = $_FILES['passport']['name'];
	$ppt = date('dmyHis').$picture;
	move_uploaded_file($_FILES['passport']['tmp_name'],"upload/".$ppt);
	$passport = $_FILES['passport']['name']; 
	//echo $passport = $_FILES['passport']['name']; 

//  DANGEROUS ZONE

Posted 4-Mar-23 23:43pm

Ibrahim Hassan 1234

Updated 5-Mar-23 2:50am

OriginalGriff

v2

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Comments

Richard MacCutchan 5-Mar-23 7:27am

You have not explained where the error occurred so I am having to guess. So, probably there is no entry at the offset reference $_FILES['passport']['name'], $_FILES['passport']['tmp_name'] or date('dmyHis').

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OriginalGriff · Accepted Answer · 2023-03-05T02:49:00

We can't help you directly, we have no access to the rest of your code, or to the data it is using - and you need both to even begin solving the problem.

So, it's going to be up to you.
Fortunately, you have a tool available to you which will help you find out what is going on: the debugger. If you don't know how to use it, then start here: PHP: Debugging in PHP - Manual[^]

Put a breakpoint on the first line in the function, and run your code through the debugger. Then look at your code, and at your data and work out what should happen manually. Then single step each line checking that what you expected to happen is exactly what did. When it isn't, that's when you have a problem, and you can back-track (or run it again and look more closely) to find out why.

Sorry, but we can't do that for you - time for you to learn a new (and very, very useful) skill: debugging!