how to convert javascript variable to php variable?

Today, We want to share with you how to store javascript value in php variable.In this post we will show you passing javascript variable to php in the same page, hear for how to get javascript function return value in php variable? we will give you demo and example for implement.In this post, we will learn about How To Get Javascript Variable Value In Php In Same Page? with an example.

how to use js variable in php?

var val = "<?php echo $val ?>";

Example 1: js var to php

   var results = "good luck";
   echo "<script>document.writeln(results);</script>";

Example 2: using js variable in php

<script type="text/javascript">
var results= 'Welcome to Pakainfo';
<?php $results = "<script>document.write(results)</script>"?>   
<?php echo $results;?>

Example PHP Variables to JavaScript

Example 3:

$bool = false;
$num = 3 + 4;
$results = "Welcome to Pakainfo";

<script type="text/javascript">
// boolean results "" if false, "1" if true
var bool = "<?php echo $bool ?>"; 

// numeric value, both with and without quotes
var num = <?php echo $num ?>; // 7
var str_num = "<?php echo $num ?>"; // "7" (a string)

var str = "<?php echo $results ?>"; // "Welcome to Pakainfo"

I hope you get an idea about how to convert javascript variable to php variable?.
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