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I have a php array $presentation, and I am trying to assign it to a JavasScript variable. when I use json_encode i got this value:

{"image":"\/ara\/web\/uploads\/images\/slide\/34.jpeg","sound":"\/ara\/web\/uploads\/images\/slide\/34.mpga","content":"sentence"}

you see the back and forward slashes?

and this gets worst when I try to assign the variable to a javascript one: I get this:

 "books":[{"image":"\/ara\/web\/uploads\/images\/slide\/32.jpeg"

and this is the code:

php:

$presentation_slide = json_encode($presentation_slides)

javascript:

<script>
    var presentation = {{ presentation_slides }}
</script>

I am using sumfony2

share|improve this question
    
What code are you using to interpret that {{ presentation_slides }} into something useful? Whatever it is, it's HTML-encoding your JSON. (As for the escaped slashes, they shouldn't be a problem -- JS doesn't mind them. It interprets \/ as just /.) – cHao Jul 1 '14 at 12:20
1  
here is The code: In the controller: return $this->render('AUIBookaBundle:Book:show.html.twig', array('presentation_slides' => $this->preparePresentation($id) )));int the twig template: <script> var presentation = {{ presentation_slides }} </script &quot;image&quot;:&quot;ara/web/uploads/images/slide/32.jpeg&quot; – anyavacy Jul 1 '14 at 12:38
    
Try using {{ presentation_slides|raw }}. It looks like that'll prevent the HTML-encoding, unless preparePresentation is doing the encoding itself. – cHao Jul 1 '14 at 12:40
1  
thank you sooooo much , it is working now – anyavacy Jul 1 '14 at 12:51

3 Answers 3

up vote 1 down vote

Maybe you should use the JSON_UNESCAPED_SLASHES option:

http://php.net/manual/en/function.json-encode.php

$presentation = json_encode($presentation_slides, JSON_UNESCAPED_SLASHES);
share|improve this answer
    
thanks alot, that solved one problem – anyavacy Jul 1 '14 at 12:51
up vote 1 down vote

The json_encoding function has numerous flags that you can pass to it, which enable the function to parse particular character sets. The following call ought to solve the problems you are having

json_encode($presentation_slides, JSON_UNESCAPED_SLASHES | JSON_HEX_APOS | JSON_HEX_QUOT | JSON_HEX_AMP );

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up vote 0 down vote 
$presentation = json_encode($presentation_slides, JSON_UNESCAPED_SLASHES);
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