Exception message not being shown if json_encode is applied to the output

Question

Here's the code:

try{
//The exception is thrown.
throw new Exception('Parâmetros de consulta inválidos');

// and in the catch block it's caught successfully:
}catch(Exception $e){
    echo $e->getMessage(); //This prints the message correctly.

    $output = json_encode(array('msg'=>$e->getMessage()));
    echo $output; //But this fails...displays {"msg":null}

}

What is the issue here?

@jprofitt I just love when it works everywhere but on my machine... — Jorge Guberte
– Jorge Guberte, Commented Oct 20, 2011 at 13:49

Aurelio De Rosa · Accepted Answer · 2011-10-20 13:53:08Z

2

The problem is with the character â and á. Infact, if you replace them with a simple a, you'll get the right message.

Replace this line:

array('msg'=>$e->getMessage())

with this:

array('msg'=>utf8_encode($e->getMessage()))

You have to do this change because the json_encode works with ut8 as you can read here.

edited Oct 20, 2011 at 13:53

answered Oct 20, 2011 at 13:45

Aurelio De Rosa

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2 Comments

Aurelio De Rosa Over a year ago

@Jorge Glad to help you. Anyway I've update my answer so you can also echo your special chars. ;)

Jorge Guberte Over a year ago

I always have issues with the encoding, once i managed to print chinese characters, don't ask me how because i don't know. (Was using Chrome)

vicentazo · Accepted Answer · 2011-10-20 14:01:05Z

1

If you use a PHP version >= 5.4.0, you should call to the json_encode function with the JSON_UNESCAPED_UNICODE flag. http://php.net/manual/en/function.json-encode.php

answered Oct 20, 2011 at 14:01

vicentazo

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