Comments on: How to Validate a Form Using PHP Part 1: Complete with Error Messages!

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By: Babrak

Babrak — Fri, 25 Jan 2013 20:38:06 +0000

hi dears…
i have a problem when ever i entered ” or ‘ in my name text box they give error message…

By: Adam D

Adam D — Fri, 25 Jan 2013 16:39:37 +0000

Is it just me or is this form missing any sort of security?
It wouldn’t be hard to post an XSS cookie stealer and leech the admins login session.

By: Bright

Bright — Sat, 19 Jan 2013 14:59:35 +0000

By: Bright

Bright — Sat, 19 Jan 2013 14:57:13 +0000

Very Kool

By: TWZOP

TWZOP — Tue, 08 Jan 2013 12:02:58 +0000

You need to look at using regular expressions to accomplish that.

You may want to look at: http://bit.ly/UxZaWp

By: TWZOP

TWZOP — Tue, 08 Jan 2013 11:59:25 +0000

We all have different methods for doing things. Your way works just as many other ways. Thanks for taking the time to do the tut. I appreciate what you’ve done. Great work.

By: TWZOP

TWZOP — Tue, 08 Jan 2013 11:56:00 +0000

In that case, you would give each button a different name and refer to it in the $_POST['buttonname'] array and still not need to specify a hidden field.

By: Balint

Balint — Wed, 02 Jan 2013 14:16:37 +0000

Checking $_POST['submitted']==1 is actually a great thing if you have more submit buttons in a form. This way you can check which one of them were pressed. For example imagine a form with a file upload option. If the user presses the submit button next to the file upload element, it uploads the file to the server then displays it in the form. But if the user presses the second submit button under the whole form, all input fields are verified and then and only then is the data and image parameters written to the database and the image is copied from the temp folder to another folder.
I have to notice that by temp folder I don’t mean the tmp folder php uses. After uploading a file, you have to copy it to a “safe” folder where it is guaranteed that the file will stay there, which is not true in case of the tmp folder.