无法在javascript中回显PHP变量

Question

I have a PHP variable which contains a JSON object in string format.

<?php
$url = "http://ip-api.com/json";
$phpObj = file_get_contents($url);
?>

Javascript:

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

When I try to echo a PHP variable in javascript, I get the following error:

Uncaught SyntaxError: Invalid or unexpected token.

I've tried using json_encode, but it gives me the same error.

Answer 1

No need to use the quotes ("s) and json_encode as it is already a JSON object. Try

var obj = <?php echo $phpObj; ?>;

When I ma fetching the data and try -

<?php
$phpObj = file_get_contents("http://ip-api.com/json");
?>

<script>
var obj = <?php echo $phpObj; ?>;
console.log(obj);
</script>

I am getting -

{as: "AS45194 Syscon Infoway Pvt. Ltd.", city: "Thane", country: "India", countryCode: "IN", isp: "Syscon Infoway Pvt.", …}

in the console.