75 lines
1.9 KiB
PHP
75 lines
1.9 KiB
PHP
<?php
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/**
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* Copyright 2015 OpenStack Foundation
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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namespace libs\utils;
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/**
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* Class JsonUtils
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* http://json.org/
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* @package libs\utils
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*/
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abstract class JsonUtils
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{
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/**
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* A string is a sequence of zero or more Unicode characters, wrapped in double quotes, using backslash escapes.
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* A character is represented as a single character string. A string is very much like a C or Java string.
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* @param string $value
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* @return string
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*/
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public static function toJsonString($value)
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{
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return $value;
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}
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/**
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* @param string $value
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* @return bool
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*/
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public static function toJsonBoolean($value)
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{
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if(empty($value)) return false;
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return boolval($value);
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}
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/**
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* @param string $value
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* @return int|null
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*/
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public static function toJsonInt($value)
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{
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if(empty($value)) return null;
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return intval($value);
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}
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/**
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* @param string $value
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* @return float|null
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*/
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public static function toJsonFloat($value)
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{
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if(empty($value)) return null;
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return number_format(floatval($value),2);
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}
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/**
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* @param string $value
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* @return int
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*/
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public static function toEpoch($value)
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{
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if(empty($value)) return 0;
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$datetime = new \DateTime($value);
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return $datetime->getTimestamp();
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}
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} |