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代码之美在于不断修正 :) #27

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merged 1 commit into from
May 20, 2015
Merged

代码之美在于不断修正 :) #27

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21 changes: 17 additions & 4 deletions src/Wechat/Utils/JSON.php
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Original file line number Diff line number Diff line change
Expand Up @@ -14,11 +14,19 @@

namespace Overtrue\Wechat\Utils;

// for PHP5.3, prevent PHP Notice msg assumed
defined('JSON_UNESCAPED_UNICODE') || define('JSON_UNESCAPED_UNICODE', 256);

/**
* Unicode2multi characters supported for the wechat server
*/
class JSON
{
/**
* To prevent new operation, under static usage only
*/
protected function __construct()
{}

/**
* PHP >= 5.3 JSON_UNESCAPED_UNICODE constant supported
Expand All @@ -33,21 +41,26 @@ class JSON
*/
public static function encode($value, $options = 0, $depth = 512)
{
$depthSupported = version_compare(PHP_VERSION, '5.5.0', '>=');
// multi-characters supported by default
$options |= JSON_UNESCAPED_UNICODE;

$data = $depthSupported ? json_encode($value, $options, $depth) : json_encode($value, $options);
$data = version_compare(PHP_VERSION, '5.5.0', '>=')
? json_encode($value, $options, $depth)
: json_encode($value, $options);

if (JSON_ERROR_NONE !== json_last_error()) {
return $data;
}

return $depthSupported ? $data : preg_replace_callback("/\\\u([\w]{2})([\w]{2})/iu", function ($pipe) {
return version_compare(PHP_VERSION, '5.4.0', '>=')
? $data
: preg_replace_callback("/\\\u([0-9a-f]{2})([0-9a-f]{2})/iu", function ($pipe) {
return iconv(
strncasecmp(PHP_OS, 'WIN', 3) ? 'UCS-2BE' : 'UCS-2',
'UTF-8',
chr(hexdec($pipe[1])) . chr(hexdec($pipe[2]))
);
}, $data);
}, $data);
}

/**
Expand Down