Version 5.1 - All the GraphQL #32
119
src/Aviat/Ion/Json.php
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119
src/Aviat/Ion/Json.php
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<?php
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/**
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* Ion
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*
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* Building blocks for web development
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*
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* @package Ion
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* @author Timothy J. Warren
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* @copyright Copyright (c) 2015 - 2016
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* @license MIT
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*/
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namespace Aviat\Ion;
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use Aviat\Ion\Type\StringType;
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/**
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* Helper class for json convenience methods
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*/
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class Json {
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/**
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* Encode data in json format
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*
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* @param mixed $data
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* @param int $options=0
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* @param int $depth=512
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* @return string
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*/
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public static function encode($data, $options = 0, $depth = 512)
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{
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$json = json_encode($data, $options, $depth);
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self::check_json_error();
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return $json;
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}
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/**
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* Encode data in json format and save to a file
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*
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* @param string $filename
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* @param mixed $data
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* @param int $json_options - Options to pass to json_encode
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* @param int $file_options - Options to pass to file_get_contents
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* @return int
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*/
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public static function encodeFile($filename, $data, $json_options = 0, $file_options = 0)
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{
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$json = self::encode($data, $json_options);
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return file_put_contents($filename, $json, $file_options);
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}
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/**
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* Decode data from json
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*
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* @param string $json
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* @param bool $assoc
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* @param int $depth
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* @param int $options
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* @return mixed
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*/
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public static function decode($json, $assoc = TRUE, $depth = 512, $options = 0)
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{
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$data = json_decode($json, $assoc, $depth, $options);
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self::check_json_error();
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return $data;
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}
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/**
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* Decode json data loaded from the passed filename
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*
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* @param string $filename
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* @return mixed
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*/
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public static function decodeFile($filename)
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{
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$json = file_get_contents($filename);
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return self::decode($json);
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}
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/**
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* Determines whether a string is valid json
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*
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* @param string $string
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* @return boolean
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*/
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public static function isJson($string)
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{
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return StringType::create($string)->isJson();
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}
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/**
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* Call the json error functions to check for errors encoding/decoding
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*
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* @throws JsonException
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*/
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protected static function check_json_error()
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{
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$constant_map = [
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JSON_ERROR_NONE => 'JSON_ERROR_NONE',
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JSON_ERROR_DEPTH => 'JSON_ERROR_DEPTH',
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JSON_ERROR_STATE_MISMATCH => 'JSON_ERROR_STATE_MISMATCH',
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JSON_ERROR_CTRL_CHAR => 'JSON_ERROR_CTRL_CHAR',
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JSON_ERROR_SYNTAX => 'JSON_ERROR_SYNTAX',
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JSON_ERROR_UTF8 => 'JSON_ERROR_UTF8',
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JSON_ERROR_RECURSION => 'JSON_ERROR_RECURSION',
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JSON_ERROR_INF_OR_NAN => 'JSON_ERROR_INF_OR_NAN',
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JSON_ERROR_UNSUPPORTED_TYPE => 'JSON_ERROR_UNSUPPORTED_TYPE'
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];
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$error = json_last_error();
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$message = json_last_error_msg();
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if (\JSON_ERROR_NONE !== $error)
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{
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throw new JsonException("{$constant_map[$error]} - {$message}", $error);
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}
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}
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}
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// End of JSON.php
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18
src/Aviat/Ion/JsonException.php
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18
src/Aviat/Ion/JsonException.php
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@ -0,0 +1,18 @@
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<?php
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/**
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* Ion
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*
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* Building blocks for web development
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*
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* @package Ion
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* @author Timothy J. Warren
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* @copyright Copyright (c) 2015 - 2016
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* @license MIT
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*/
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namespace Aviat\Ion;
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class JsonException extends \InvalidArgumentException {
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}
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// End of JsonException.php
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