# haoyundada-helper

**Repository Path**: haoyundada-com/haoyundada-helper

## Basic Information

- **Project Name**: haoyundada-helper
- **Description**: haoyundada-helper
- **Primary Language**: Unknown
- **License**: Apache-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-04-17
- **Last Updated**: 2024-12-03

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# haoyundada-helper 常用的一些扩展类库

基于PHP7.1+

[![PHP Composer](https://github.com/larvatecn/hydd-helper/actions/workflows/php.yml/badge.svg)](https://www.haoyundada.com)

> 以下类库都在`\\haoyundada\\helper`命名空间下

## Str

> 字符串操作

```
// 检查字符串中是否包含某些字符串
Str::contains($haystack, $needles)

// 检查字符串是否以某些字符串结尾
Str::endsWith($haystack, $needles)

// 获取指定长度的随机字母数字组合的字符串
Str::random($length = 16)

// 字符串转小写
Str::lower($value)

// 字符串转大写
Str::upper($value)

// 获取字符串的长度
Str::length($value)

// 截取字符串
Str::substr($string, $start, $length = null)

```