68 lines
1.9 KiB
PHP
68 lines
1.9 KiB
PHP
<?php
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/**
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* Copyright 2020 Google LLC
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*
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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 app\util;
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use DateTime;
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/**
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* General utilities that are shared between code examples.
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*/
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final class Helper
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{
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/**
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* Generates a printable string for the current date and time in local time zone.
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* @return string the result string
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*/
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public static function getPrintableDatetime(): string
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{
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return (new DateTime())->format("Y-m-d\TH:i:s.vP");
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}
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/**
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* Generates a short printable string for the current date and time in local time zone.
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* @return string the result string
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*/
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public static function getShortPrintableDatetime(): string
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{
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return (new DateTime())->format("mdHisv");
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}
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/**
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* Converts an amount from the micro unit to the base unit.
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*
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* @param int|float|null $amount the amount in micro unit
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* @return float the amount converted to the base unit if not null otherwise 0
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*/
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public static function microToBase($amount): float
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{
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return $amount ? $amount / 1000000.0 : 0.0;
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}
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/**
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* Converts an amount from the base unit to the micro unit.
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*
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* @param float|int|null $amount the amount in base unit
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* @return int the amount converted to the micro unit if not null otherwise 0
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*/
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public static function baseToMicro($amount): int
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{
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return $amount ? (int) ($amount * 1000000) : 0;
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}
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}
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