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src/Aviat/Ion/Json.php Normal file
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<?php
/**
* Ion
*
* Building blocks for web development
*
* @package Ion
* @author Timothy J. Warren
* @copyright Copyright (c) 2015 - 2016
* @license MIT
*/
namespace Aviat\Ion;
use Aviat\Ion\Type\StringType;
/**
* Helper class for json convenience methods
*/
class Json {
/**
* Encode data in json format
*
* @param mixed $data
* @param int $options=0
* @param int $depth=512
* @return string
*/
public static function encode($data, $options = 0, $depth = 512)
{
$json = json_encode($data, $options, $depth);
self::check_json_error();
return $json;
}
/**
* Encode data in json format and save to a file
*
* @param string $filename
* @param mixed $data
* @param int $json_options - Options to pass to json_encode
* @param int $file_options - Options to pass to file_get_contents
* @return int
*/
public static function encodeFile($filename, $data, $json_options = 0, $file_options = 0)
{
$json = self::encode($data, $json_options);
return file_put_contents($filename, $json, $file_options);
}
/**
* Decode data from json
*
* @param string $json
* @param bool $assoc
* @param int $depth
* @param int $options
* @return mixed
*/
public static function decode($json, $assoc = TRUE, $depth = 512, $options = 0)
{
$data = json_decode($json, $assoc, $depth, $options);
self::check_json_error();
return $data;
}
/**
* Decode json data loaded from the passed filename
*
* @param string $filename
* @return mixed
*/
public static function decodeFile($filename)
{
$json = file_get_contents($filename);
return self::decode($json);
}
/**
* Determines whether a string is valid json
*
* @param string $string
* @return boolean
*/
public static function isJson($string)
{
return StringType::create($string)->isJson();
}
/**
* Call the json error functions to check for errors encoding/decoding
*
* @throws JsonException
*/
protected static function check_json_error()
{
$constant_map = [
JSON_ERROR_NONE => 'JSON_ERROR_NONE',
JSON_ERROR_DEPTH => 'JSON_ERROR_DEPTH',
JSON_ERROR_STATE_MISMATCH => 'JSON_ERROR_STATE_MISMATCH',
JSON_ERROR_CTRL_CHAR => 'JSON_ERROR_CTRL_CHAR',
JSON_ERROR_SYNTAX => 'JSON_ERROR_SYNTAX',
JSON_ERROR_UTF8 => 'JSON_ERROR_UTF8',
JSON_ERROR_RECURSION => 'JSON_ERROR_RECURSION',
JSON_ERROR_INF_OR_NAN => 'JSON_ERROR_INF_OR_NAN',
JSON_ERROR_UNSUPPORTED_TYPE => 'JSON_ERROR_UNSUPPORTED_TYPE'
];
$error = json_last_error();
$message = json_last_error_msg();
if (\JSON_ERROR_NONE !== $error)
{
throw new JsonException("{$constant_map[$error]} - {$message}", $error);
}
}
}
// End of JSON.php

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<?php
/**
* Ion
*
* Building blocks for web development
*
* @package Ion
* @author Timothy J. Warren
* @copyright Copyright (c) 2015 - 2016
* @license MIT
*/
namespace Aviat\Ion;
class JsonException extends \InvalidArgumentException {
}
// End of JsonException.php