59 lines
1.5 KiB
PHP
59 lines
1.5 KiB
PHP
<?php
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/**
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* User: evgen-d
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* Date: 08.10.14
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* Time: 16:04
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*/
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namespace explosivebit\arangodb;
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use yii\base\Arrayable;
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class Serializer
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{
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public static function encode($value, $options = 0)
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{
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$expressions = [];
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$value = static::processData($value, $expressions, uniqid());
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$json = json_encode($value, $options);
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return empty($expressions) ? $json : strtr($json, $expressions);
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}
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protected static function processData($data, &$expressions, $expPrefix)
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{
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if (is_object($data)) {
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if ($data instanceof AqlExpression) {
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$token = "!{[$expPrefix=" . count($expressions) . ']}!';
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$expressions['"' . $token . '"'] = $data->expression;
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return $token;
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} elseif ($data instanceof \JsonSerializable) {
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$data = $data->jsonSerialize();
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} elseif ($data instanceof Arrayable) {
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$data = $data->toArray();
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} else {
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$result = [];
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foreach ($data as $name => $value) {
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$result[$name] = $value;
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}
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$data = $result;
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}
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if ($data === []) {
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return new \stdClass();
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}
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}
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if (is_array($data)) {
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foreach ($data as $key => $value) {
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if (is_array($value) || is_object($value)) {
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$data[$key] = static::processData($value, $expressions, $expPrefix);
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}
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}
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}
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return $data;
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}
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}
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