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Editorial Team
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Asked: 2026-05-23T14:02:48+00:00

Im attempting one of my first web applications in PHP. There is a text

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Im attempting one of my first web applications in PHP.

There is a text box a user inputs text and clicks send. When send is clicked or when they are typing I want it to give the user an error message if they are entering forbidden characters.

But I cant really see a way to do it effectively in PHP.

Can anyone tell me what programming language would be best for this and maybe links if that would help.

However, I do not want anyone to give me the complete code for this, otherwise there is no challenge in it for me.

Thanks guys

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1 Answer

  1. Editorial Team

    You can use Javascript (with or without jQuery) to realtime validation. Or you use PHP to a server-side validation with IF conditionals.

    Javascript Validation Sample:

    http://www.w3schools.com/js/js_form_validation.asp

    — EDIT —
    I recommend you validate first in the Javascript and later in PHP, because with FireBug users can edit the Javascript validation script.

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