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yanzong/app/common/library/helper.php

410 lines
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11 months ago
<?php
// +----------------------------------------------------------------------
// | 萤火商城系统 [ 致力于通过产品和服务,帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件,不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
namespace app\common\library;
use think\facade\Route;
/**
* 工具类
* Class helper
* @package app\common\library
*/
class helper
{
/**
* 从object中选取属性
* @param $source
* @param array $columns
* @return array
*/
public static function pick($source, array $columns): array
{
$dataset = [];
foreach ($source as $key => $item) {
in_array($key, $columns) && $dataset[$key] = $item;
}
return $dataset;
}
/**
* 获取数组中指定的列
* @param $source
* @param $column
* @return array
*/
public static function getArrayColumn($source, $column): array
{
$columnArr = [];
foreach ($source as $item) {
isset($item[$column]) && $columnArr[] = $item[$column];
}
return $columnArr;
}
/**
* 获取数组中指定的列 [支持多列]
* @param $source
* @param $columns
* @return array
*/
public static function getArrayColumns($source, $columns): array
{
$columnArr = [];
foreach ($source as $item) {
$temp = [];
foreach ($columns as $index) {
$temp[$index] = $item[$index];
}
$columnArr[] = $temp;
}
return $columnArr;
}
/**
* 随机获取指定数量的数组元素
* @param array $source 数组源
* @param int $num 指定数量
* @return array
*/
public static function getArrayRand(array $source, int $num): array
{
if (count($source) < $num) {
return [];
}
$keys = array_rand($source, $num);
if (!is_array($keys)) {
return [$source[$keys]];
}
$data = [];
foreach ($keys as $key) {
$data[] = $source[$key];
}
return $data;
}
/**
* 把二维数组或对象中某列设置为key返回
* @param $source
* @param $index
* @return mixed
*/
public static function arrayColumn2Key($source, $index)
{
$data = [];
foreach ($source as $item) {
$data[$item[$index]] = $item;
}
return $data;
}
/**
* 二维数组去重
* @param $source
* @param $uniqueKey
* @return array
*/
public static function arrayUnique($source, $uniqueKey): array
{
$tmpKeys[] = [];
foreach ($source as $key => &$item) {
if (is_array($item) && isset($item[$uniqueKey])) {
if (in_array($item[$uniqueKey], $tmpKeys)) {
unset($source[$key]);
} else {
$tmpKeys[] = $item[$uniqueKey];
}
}
}
// 重置一下二维数组的索引
return array_slice($source, 0, count($source), false);
}
/**
* 格式化价格显示
* @param mixed $number
* @param bool $isMinimum 是否存在最小值
* @param float $minimum
* @return string
*/
public static function number2($number, bool $isMinimum = false, float $minimum = 0.01): string
{
$isMinimum && $number = max($minimum, $number);
return sprintf('%.2f', $number);
}
public static function getArrayItemByColumn($array, $column, $value)
{
foreach ($array as $item) {
if ($item[$column] == $value) {
return $item;
}
}
return false;
}
/**
* 获取二维数组中指定字段的和
* @param $array
* @param $column
* @return float|int
*/
public static function getArrayColumnSum($array, $column)
{
$sum = 0;
foreach ($array as $item) {
$sum = self::bcadd($sum, $item[$column]);
}
return $sum;
}
/**
* 在二维数组中查找指定值
* @param iterable $dataset 二维数组/或可变量对象
* @param string $searchIdx 查找的索引
* @param mixed $searchVal 查找的值
* @return bool|mixed
*/
public static function arraySearch(iterable $dataset, string $searchIdx, $searchVal)
{
foreach ($dataset as $item) {
if ($item[$searchIdx] == $searchVal) {
return $item;
}
}
return false;
}
/**
* 过滤二维数组
* @param mixed|array $array 二维数组
* @param string $searchIdx 查找的索引
* @param mixed $searchVal 查找的值
* @return iterable|array
*/
public static function arrayFilterAsVal($array, string $searchIdx, $searchVal)
{
$data = [];
foreach ($array as $key => $item) {
if (isset($item[$searchIdx]) && $item[$searchIdx] == $searchVal) {
$data[$key] = $item;
}
}
return $data;
}
public static function setDataAttribute(&$source, $defaultData, $isArray = false)
{
if (!$isArray) $dataSource = [&$source]; else $dataSource = &$source;
foreach ($dataSource as &$item) {
foreach ($defaultData as $key => $value) {
$item[$key] = $value;
}
}
return $source;
}
public static function bcsub($leftOperand, $rightOperand, $scale = 2): string
{
return \bcsub($leftOperand, $rightOperand, $scale);
}
public static function bcadd($leftOperand, $rightOperand, $scale = 2): string
{
return \bcadd($leftOperand, $rightOperand, $scale);
}
public static function bcmul($leftOperand, $rightOperand, $scale = 2): string
{
return \bcmul($leftOperand, $rightOperand, $scale);
}
public static function bcdiv($leftOperand, $rightOperand, int $scale = 2): ?string
{
return \bcdiv($leftOperand, $rightOperand, $scale);
}
/**
* 浮点数比较
* 若二个字符串一样大则返回 0;若左边的数字字符串 (left operand) 比右边 (right operand) 的大则返回 +1;若左边的数字字符串比右边的小则返回 -1
* @param $leftOperand
* @param $rightOperand
* @param int $scale
* @return int
*/
public static function bccomp($leftOperand, $rightOperand, int $scale = 2): int
{
return \bccomp($leftOperand, $rightOperand, $scale);
}
/**
* 比较两个数值是否相等
* @param $leftOperand
* @param $rightOperand
* @param int $scale
* @return bool
*/
public static function bcequal($leftOperand, $rightOperand, int $scale = 2): bool
{
return self::bccomp($leftOperand, $rightOperand, $scale) === 0;
}
/**
* 数组转为json
* @param $data
* @param int $options
* @return false|string
*/
public static function jsonEncode($data, int $options = JSON_UNESCAPED_UNICODE)
{
return json_encode($data, $options);
}
/**
* json转义为数组
* @param $json
* @return array|mixed
*/
public static function jsonDecode($json)
{
return json_decode($json, true);
}
/**
* 将xml数据转换为array
* @param string $xml
* @return array|mixed
*/
public static function xmlToArray(string $xml)
{
// 禁止引用外部xml实体
if (PHP_VERSION_ID < 80000) {
libxml_disable_entity_loader(true);
}
return self::jsonDecode(self::jsonEncode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)));
}
/**
* URL生成
* @param string $url
* @param array $vars
* @return string
*/
public static function buildUrl(string $url, array $vars = []): string
{
// 生成完整的url (包含域名)
$url = Route::buildUrl($url, $vars)->domain(true)->build();
// 判断当前访问模式是否为兼容模式
if (strpos(request()->url(), '.php?s=') && strpos($url, '.php/')) {
$url = str_replace('.php/', '.php?s=/', $url);
}
return $url;
}
/**
* 检查目录是否可写
* @param $path
* @return bool
*/
public static function checkWriteable($path): bool
{
try {
!is_dir($path) && mkdir($path, 0755);
if (!is_dir($path))
return false;
$fileName = $path . '/_test_write.txt';
if ($fp = fopen($fileName, 'w')) {
return fclose($fp) && unlink($fileName);
}
} catch (\Exception $e) {
}
return false;
}
/**
* 记录info日志
* @param string $name
* @param array $content
*/
public static function logInfo(string $name, array $content)
{
$content['name'] = $name;
log_record($content, 'info');
}
/**
* 根据指定路径创建文件夹
* @param string $dirPath
* @return string
*/
public static function mkdir(string $dirPath): string
{
!is_dir($dirPath) && mkdir($dirPath, 0755, true);
return $dirPath;
}
/**
* 将字符串转换为字节
* @param string $from
* @return int|null
*/
public static function convertToBytes(string $from): ?int
{
$units = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
$number = substr($from, 0, -2);
$suffix = strtoupper(substr($from, -2));
// B or no suffix
if (is_numeric(substr($suffix, 0, 1))) {
return preg_replace('/[^\d]/', '', $from);
}
$exponent = array_flip($units)[$suffix] ?? null;
if ($exponent === null) {
return null;
}
return $number * (1024 ** $exponent);
}
/**
* 设置默认的检索数据
* @param array $query
* @param array $default
* @return array
*/
public static function setQueryDefaultValue(array $query, array $default = []): array
{
$data = array_merge($default, $query);
foreach ($query as $field => $value) {
// 不存在默认值跳出循环
if (!isset($default[$field])) continue;
// 如果传参为空, 设置默认值
if (empty($value) && $value !== '0'&& $value !== 0) {
$data[$field] = $default[$field];
}
}
return $data;
}
/**
* 科学计数格式转化为字符串
* @param string $num
* @param int $double
* @return string
*/
public static function scToStr(string $num, int $double = 6): string
{
if (false !== stripos($num, "e")) {
$a = explode("e", strtolower($num));
return bcmul($a[0], bcpow('10', $a[1], $double), $double);
}
return $num;
}
}