Reference
In This Article
Basic Usage
Usage of zend-json involves using two public static methods:
Zend\Json\Json::encode()
and Zend\Json\Json::decode()
.
// Decode a JSON value to PHP:
$phpNative = Zend\Json\Json::decode($encodedValue);
// Encode a PHP value to JSON:
$json = Zend\Json\Json::encode($phpNative);
ext/json
By default, the above two calls will proxy to the
json_decode()
andjson_encode()
functions ofext/json
, which is bundled in default installations of PHP. Using zend-json, however, ensures that the functionality works regardless of whether or not the extension is available. Additionally, the component provides some features not found inext/json
, such as encoding native JSON expressions, communicating class inheritance, and customizations around pretty printing.
Pretty-printing JSON
Sometimes, it may be hard to explore JSON data generated by
Zend\Json\Json::encode()
, since it has no spacing or indentation. In order to
make it easier, Zend\Json\Json
allows you to pretty-print JSON data in the
human-readable format with Zend\Json\Json::prettyPrint()
.
// Encode it to return to the client:
$json = Zend\Json\Json::encode($phpNative);
if ($debug) {
echo Zend\Json\Json::prettyPrint($json, array('indent' => ' '));
}
The second, optional, argument to Zend\Json\Json::prettyPrint()
is an option
array. Option indent
allows providing an indentation string; by default, it
uses four spaces.
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