json_encode/json_decode, take 2 - PHP

Christoph Boget wrote:
> The string used below in "$myArrEncoded" is generated in javascript, after
> creating the structure and spitting out:
>
> var JSONVar = javascriptVar.toSource();
>
> I can eval JSONVar and work with it as I would be working with the original
> javascriptVar so I know the transition back and forth from a structure to a
> string isn't causing problems. The problem is when I try to work with the
> string in PHP.
>
> Here is my code:

" is not what you think it is (but that could be my mail client),
and the exterior parentheses are also incorrect. your try/catch block is doing
nothing because neither function throws exceptions.

On 10/19/07, Jochem Maas <jochem@iamjochem.com> wrote:
>
> Christoph Boget wrote:
> > The string used below in "$myArrEncoded" is generated in javascript,
> after
> > creating the structure and spitting out:
> >
> > var JSONVar = javascriptVar.toSource();
> >
> > I can eval JSONVar and work with it as I would be working with the
> original
> > javascriptVar so I know the transition back and forth from a structure
> to a
> > string isn't causing problems. The problem is when I try to work with
> the
> > string in PHP.
> >
> > Here is my code:
>
> &quot; is not what you think it is (but that could be my mail client),
> and the exterior parentheses are also incorrect. your try/catch block is
> doing
> nothing because neither function throws exceptions.


i thought it might be something like that, but i didnt spend long enough at
it to verify.
here is a great tool to help:

http://www.jslint.com/

-nathan

try seeing what json_encode() creates:

$json = "json";
$data = array(
"no_1" => $json,
"no_2" => $json,
"no_3" => $json,
"no_4" => array("foo" => $json, "bar" = $json),
);
print_r({"{$json}_encode"}($data));


Christoph Boget wrote:
> The string used below in "$myArrEncoded" is generated in javascript, after
> creating the structure and spitting out:
>
> var JSONVar = javascriptVar.toSource();
>
> I can eval JSONVar and work with it as I would be working with the original
> javascriptVar so I know the transition back and forth from a structure to a
> string isn't causing problems. The problem is when I try to work with the
> string in PHP.
>
> Here is my code:
>
> <?php
>
> $myArrEncoded = "({Salary:{'50-70K':{filterType:&quot;range&quot;,
> fieldName:&quot;SALARY&quot;, fieldValueLabel:&quot;50-70K&quot;,
> lowerValue:&quot;50&quot;, upperValue:&quot;70&quot;,
> inclusive:&quot;BOTH&quot;}},
> Position:{Developer:{filterType:&quot;single&quot;,
> fieldName:&quot;POSITION&quot;, fieldValueLabel:&quot;Developer&quot;,
> fieldValue:&quot;Developer&quot;, constraint:&quot;equals&quot;},
> SysAdmin:{filterType:&quot;single&quot;, fieldName:&quot;POSITION&quot;,
> fieldValueLabel:&quot;System Admin&quot;, fieldValue:&quot;SysAdmin&quot;,
> constraint:&quot;equals&quot;}}, 'Required Action':{'2 -
> GenScreen':{filterType:&quot;single&quot;,
> fieldName:&quot;REQUIRED_ACTION&quot;, fieldValueLabel:&quot;General Phone
> Screen&quot;, fieldValue:&quot;2 - GenScreen&quot;,
> constraint:&quot;equals&quot;}}})";
>
> echo var_dump( $myArrEncoded ) . '<br><br>';
> echo '$myArr encoded: ' . $myArrEncoded . '<br><br>';
> try {
> echo '$myArr decoded: <pre>' . print_r( json_decode( $myArrEncoded, TRUE
> ), TRUE ) . '</pre><br><br>';
> } catch( Exception $e ) {
> echo 'Error: ' . var_dump( $e );
> }
>
> ?>
>
> When I run it, I get the following output:
>
> --------------------------------------------------------------------------------
>
> string(587) "({Salary:{'50-70K':{filterType:"range",
> fieldName:"SALARY", fieldValueLabel:"50-70K", lowerValue:"50",
> upperValue:"70", inclusive:"BOTH"}},
> Position:{Developer:{filterType:"single", fieldName:"POSITION",
> fieldValueLabel:"Developer", fieldValue:"Developer",
> constraint:"equals"}, SysAdmin:{filterType:"single",
> fieldName:"POSITION", fieldValueLabel:"System Admin",
> fieldValue:"SysAdmin", constraint:"equals"}}, 'Required Action':{'2 -
> GenScreen':{filterType:"single", fieldName:"REQUIRED_ACTION",
> fieldValueLabel:"General Phone Screen", fieldValue:"2 - GenScreen",
> constraint:"equals"}}})"
>
> $myArr encoded: ({Salary:{'50-70K':{filterType:"range",
> fieldName:"SALARY", fieldValueLabel:"50-70K", lowerValue:"50",
> upperValue:"70", inclusive:"BOTH"}},
> Position:{Developer:{filterType:"single", fieldName:"POSITION",
> fieldValueLabel:"Developer", fieldValue:"Developer",
> constraint:"equals"}, SysAdmin:{filterType:"single",
> fieldName:"POSITION", fieldValueLabel:"System Admin",
> fieldValue:"SysAdmin", constraint:"equals"}}, 'Required Action':{'2 -
> GenScreen':{filterType:"single", fieldName:"REQUIRED_ACTION",
> fieldValueLabel:"General Phone Screen", fieldValue:"2 - GenScreen",
> constraint:"equals"}}})
>
> $myArr decoded: ({Salary:{'50-70K':{filterType:"range",
> fieldName:"SALARY", fieldValueLabel:"50-70K", lowerValue:"50",
> upperValue:"70", inclusive:"BOTH"}},
> Position:{Developer:{filterType:"single", fieldName:"POSITION",
> fieldValueLabel:"Developer", fieldValue:"Developer",
> constraint:"equals"}, SysAdmin:{filterType:"single",
> fieldName:"POSITION", fieldValueLabel:"System Admin",
> fieldValue:"SysAdmin", constraint:"equals"}}, 'Required Action':{'2 -
> GenScreen':{filterType:"single", fieldName:"REQUIRED_ACTION",
> fieldValueLabel:"General Phone Screen", fieldValue:"2 - GenScreen",
> constraint:"equals"}}})
>
> --------------------------------------------------------------------------------
>
> Why isn't json_decode() converting the string to an array? Is there
> something extra in there that json_decode() can't deal with? I can work
> with it fine in javascript...
>
> thnx,
> Christoph
>