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Serializer.php
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Serializer.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* This helper is based on code from Facebook's Phabricator project
*
* https://github.com/facebook/phabricator
*
* Specifically, it is an adapation of the PhutilReadableSerializer class.
*
* @package raven
*/
class Raven_Serializer
{
/**
* Serialize an object (recursively) into something safe for data
* sanitization and encoding.
*/
public static function serialize($value, $max_depth=6, $_depth=0)
{
if (is_object($value) || is_resource($value)) {
return self::serializeValue($value);
} elseif ($_depth < $max_depth && is_array($value)) {
$new = array();
foreach ($value as $k=>$v) {
$new[self::serializeValue($k)] = self::serialize($v, $max_depth, $_depth + 1);
}
return $new;
} else {
return self::serializeValue($value);
}
}
public static function serializeValue($value)
{
if ($value === null) {
return 'null';
} elseif ($value === false) {
return 'false';
} elseif ($value === true) {
return 'true';
} elseif (is_float($value) && (int) $value == $value) {
return $value.'.0';
} elseif (is_object($value)) {
return 'Object '.get_class($value);
} elseif (is_resource($value)) {
return 'Resource '.get_resource_type($value);
} elseif (is_array($value)) {
return 'Array of length ' . count($value);
} elseif (is_integer($value)) {
return (integer) $value;
} else {
$value = (string) $value;
if (function_exists('mb_convert_encoding')) {
$value = mb_convert_encoding($value, 'UTF-8', 'UTF-8');
}
return $value;
}
}
}