Detailed introduction PHP JSON class Library application Example _php tutorial

JSON is a lightweight data format developed by a veteran software engineer Douglas Crockford, all known as JavaScript Object Notation. The Chinese translation is a "JavaScript object representation", which can easily be converted to a JavaScript object format, used for server-side and client data transfer, to solve the problem of excessive data transfer caused by too many redundant tags in XML.

The PHP JSON class library is a PHP open source tool that automatically completes JSON encoding and decoding.

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The test_json.php contains phpunit.php, which is a unit test tool pear comes with, which can not be used in actual development.

PHP JSON class Library Sample code:

 
 

  
  

  
<  ? 
  
  

  
Create a new instance of Services_json
  
  

  
Require_once (' json.php ');
  
  

  
$ JSON  =  New Services_json (); 
  
  

  
Convert a complex value to JSON notation
  
  

  
$ value  =  Array (' name ' =>' coollzh '
, ' age ' =>  , ' data ' =>' foo '); 
  
  

  
$ Output = $json- > encode ($value); 
  
  

  
Print ($output);
  
  

  
//Send data by post: JSON =
{"Name": ' Coollzh ', "Age": 2, "Data": "foo"}
  
  

  
Print ($_request[' json ');
  
  

  
$ value = $json- > Decode (Str_replace
(' \ ', ' ', $_request["JSON"]));
  
  

  
Var_dump ($value);
  
  

  
echo " <   br>". $value->data; 
  
  

  
?>  
 
 

I hope you can get a preliminary understanding of the specific meaning of the PHP JSON class library by using the code example above.

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