Uncaught SyntaxError: Unexpected token ILLEGAL on php json_encode

Question

When I do this:

onClick = "return generateClient('<?php echo json_encode($_POST)?>');"

I am getting this error on the google chrome console.

Uncaught SyntaxError: Unexpected token ILLEGAL

But when I do this from php:

print_r(json_encode($_POST));

I get:

{"lang-select":"C++","question-id":"1","method-name":"Rishi","param-count":"1","lib-path":"c:\\h\\b.out","return-select":"unsigned int","sample-count":"1","class-name":"m"}

What can be the fault in this?

fixing syntax errors is part of the debugging process. That's something you have to do yourself. This isn't a free debugger service — Elias Van Ootegem
– Elias Van Ootegem, Commented Jul 24, 2013 at 11:22
Have a look at the generated source or the DOM inspector. Is it how you expect it to be? — Felix Kling
– Felix Kling, Commented Jul 24, 2013 at 11:24

Quentin · Accepted Answer · 2013-07-24 11:20:06Z

2

Your data contains " characters.

Your attribute values are delimited by " characters.

The first " in the data will end the attribute value.

A validator would have picked this up for you.

Run your data through htmlspecialchars to encode the quote marks.

answered Jul 24, 2013 at 11:20

Quentin

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