php variable to javascript Use AJAX to Pass the PHP Variable to JavaScript as well as javascript get php variable and access php variable in javascript Example with demo.

Passing a variable from PHP to JavaScript is super easy.

php variable to javascript

Contents

In this article, i will learn how to access php variable in jquery with tiny example. i always require to get php array variable or data variable in javascript or jquery.

How to access PHP variables in JavaScript or jQuery?

Example : use php variable in javascript

<?php
    $wlecomeStr = 'Welcome To Pakainfo';
    $members = array('Welcome', 'Pakainfo', array('paka', 'info'));
?>
<script type="text/javascript">
    var wlecomeStr = '<?php echo $wlecomeStr; ?>';
    console.log(wlecomeStr);
    var members = <?php echo json_encode($members); ?>;
    console.log(members);
</script>

How to pass JavaScript variables to PHP?

Example

<script>
   var wlecomeStr = "Welcome To Pakainfo";
</script>
<?php
   echo "<script>document.writeln(wlecomeStr);</script>";
?>

how to use js variable in php?

Example – using js variable in php

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

how to get a variable from php to javascript?

Example

<script type="text/javascript">

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


var res = <?php echo $res ?>; 
var demo_ex = "<?php echo $res ?>";

var res = "<?php echo $res ?>";
</script>

Pass Variable From PHP to JavaScript

# php 7.*
<?php
?>
<script>
var req = new XMLHttpRequest(); 
    req.onload = function() {
    console.log(this.responseText); 
 };
req.open("get", "get-players.php", true); 
req.send();
</script>

# php 7.*
<?php
$javascriptvariable = "Viratkohali";
echo json_encode($javascriptvariable); 
?>

Result

"Viratkohali"

Also Read : How To Get Javascript Variable Value In Php In Same Page?

php variable to javascript
Use JavaScript to Escape the PHP Scripts to Pass the PHP Variable to JavaScript

#php 7.x
<?php
$javascriptvariable = 'Viratkohali';
?>
<script>
   <?php
       echo "var javascriptvariable ='$javascriptvariable';";
   ?>
   console.log(javascriptvariable); 
</script>

Use the Short PHP Echo Tag, Inside the JavaScript to Pass the PHP Variable to JavaScript

#php 7.x php variable to javascript	
<?php
$javascriptvariable = 'Viratkohali';
?>
<script>
    var javascriptvariable = '<?=$javascriptvariable?>';
    console.log(javascriptvariable); 
</script>
?>

Also Read This 👉 jQuery AJAX Dynamic Treeview Menu using PHP, MySQL