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how to access html element color in php

My html file makes a tag: Good car with like and dislike button. So that user can select like or unlike. Also there is submit button on screen to submit response. Code in html file is as below :
Good Car
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Also I do have PHP file. What I want is that when user clicks submit then my php file/code records the color of my like or dislike button (i applied these in java script code part ) and save in DB.

I don't know how to access the color of like or dislike button from html in PHP. So that if like is green then it means it has been clicked and I could increment the value in DB and similar for for dislike.

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1 Answer
1

The only way i can see how you could do this with php is if you submit the color in a form.
PHP is a server-side language as a comment allready explained. Meaning that it cant directly access everything that happens on a client side to make it simple.

An idea how you could solve your problem tho is:

If a user clicks on a from a get request is submited and it appends an attribute to the url (example.com?color=green)

<form action="/action_page.php" target="_blank" method="GET">
//This is your button
<input type="submit" value="Submit">

//this is the color
<input type="hidden" name="color" value="green">
</form>


in php you can now check if the color get param is set and if it is you can get its value

<?php
var color = "";
if (isset($_GET['color']))
color = htmlspecialchars($_GET['color']);

//To check the color use always 3 = to evade type juggling
if(color === "green")
//do something
elseif(color === "red")
//do something else


?>


//make sure not to blindly handle user input tho.

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