92 lines
2.8 KiB
PHP
92 lines
2.8 KiB
PHP
<?php
|
|
/* Icinga Web 2 | (c) 2017 Icinga Development Team | GPLv2+ */
|
|
|
|
namespace Icinga\Util;
|
|
|
|
use Icinga\Exception\Json\JsonDecodeException;
|
|
use Icinga\Exception\Json\JsonEncodeException;
|
|
|
|
/**
|
|
* Wrap {@link json_encode()} and {@link json_decode()} with error handling
|
|
*/
|
|
class Json
|
|
{
|
|
/**
|
|
* {@link json_encode()} wrapper
|
|
*
|
|
* @param mixed $value
|
|
* @param int $options
|
|
* @param int $depth
|
|
*
|
|
* @return string
|
|
* @throws JsonEncodeException
|
|
*/
|
|
public static function encode($value, $options = 0, $depth = 512)
|
|
{
|
|
if (version_compare(phpversion(), '5.4.0', '<')) {
|
|
$encoded = json_encode($value);
|
|
} elseif (version_compare(phpversion(), '5.5.0', '<')) {
|
|
$encoded = json_encode($value, $options);
|
|
} else {
|
|
$encoded = json_encode($value, $options, $depth);
|
|
}
|
|
if (json_last_error() !== JSON_ERROR_NONE) {
|
|
throw new JsonEncodeException('%s: %s', static::lastErrorMsg(), var_export($value, true));
|
|
}
|
|
return $encoded;
|
|
}
|
|
|
|
/**
|
|
* {@link json_decode()} wrapper
|
|
*
|
|
* @param string $json
|
|
* @param bool $assoc
|
|
* @param int $depth
|
|
* @param int $options
|
|
*
|
|
* @return mixed
|
|
* @throws JsonDecodeException
|
|
*/
|
|
public static function decode($json, $assoc = false, $depth = 512, $options = 0)
|
|
{
|
|
if (version_compare(phpversion(), '5.4.0', '<')) {
|
|
$decoded = json_decode($json, $assoc, $depth);
|
|
} else {
|
|
$decoded = json_decode($json, $assoc, $depth, $options);
|
|
}
|
|
|
|
if (json_last_error() !== JSON_ERROR_NONE) {
|
|
throw new JsonDecodeException('%s: %s', static::lastErrorMsg(), var_export($json, true));
|
|
}
|
|
return $decoded;
|
|
}
|
|
|
|
/**
|
|
* {@link json_last_error_msg()} replacement for PHP < 5.5.0
|
|
*
|
|
* @return string
|
|
*/
|
|
protected static function lastErrorMsg()
|
|
{
|
|
if (version_compare(PHP_VERSION, '5.5.0', '>=')) {
|
|
return json_last_error_msg();
|
|
}
|
|
|
|
// All possible error codes before PHP 5.5.0 (except JSON_ERROR_NONE)
|
|
switch (json_last_error()) {
|
|
case JSON_ERROR_DEPTH:
|
|
return 'Maximum stack depth exceeded';
|
|
case JSON_ERROR_STATE_MISMATCH:
|
|
return 'State mismatch (invalid or malformed JSON)';
|
|
case JSON_ERROR_CTRL_CHAR:
|
|
return 'Control character error, possibly incorrectly encoded';
|
|
case JSON_ERROR_SYNTAX:
|
|
return 'Syntax error';
|
|
case JSON_ERROR_UTF8:
|
|
return 'Malformed UTF-8 characters, possibly incorrectly encoded';
|
|
default:
|
|
return 'Unknown error';
|
|
}
|
|
}
|
|
}
|