# string
```
<pre class="calibre29">```
Strings
<span class="token">//append -向指定的key追加值</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">set</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token2">'hello'</span><span class="token3">)</span><span class="token3">;</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">append</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token2">'world'</span><span class="token3">)</span><span class="token3">;</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">get</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//'helloworld'</span>
<span class="token">//setBit(key,offset,value) - 更改字符串(二进制)的单个位 (offset:位偏移 value:布尔、0或者1) 返回设置之前的位的值(0或者1)</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">set</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token2">"*"</span><span class="token3">)</span><span class="token3">;</span> <span class="token">// ord("*") = 42(ASCII) = 0x2f(16进制) = 00101010(二进制)</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">setBit</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token6">5</span><span class="token3">,</span> <span class="token6">1</span><span class="token3">)</span><span class="token3">;</span> <span class="token">// 0 (00101110)</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">setBit</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token6">7</span><span class="token3">,</span> <span class="token6">1</span><span class="token3">)</span><span class="token3">;</span> <span class="token">// 0 (00101111)</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">get</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">// "/"</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">getBit</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token6">5</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//1 返回指定某个键偏移量的值</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">bitCount</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//计算key 所储存的字符串值中,被设置为 1 的比特位的数量</span>
<span class="token">/*
setBit 与bitCount实现用户上线次数统计等计数 例子:记录用户上线了多少天
首先我们要知道网站的上线时间,没过一天则位增加一个(8个才一个字节)
如今天是网站上线的101天 那么我们以用户名为key 网站上线的天数为offset位偏移 用户一上线就将位偏移设置为1
*/</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">setBit</span><span class="token3">(</span>tom<span class="token3">,</span> <span class="token6">100</span><span class="token3">,</span> <span class="token6">1</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//在网站上线的100天的那天登录过(昨天)</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">setBit</span><span class="token3">(</span>tom<span class="token3">,</span> <span class="token6">101</span><span class="token3">,</span> <span class="token6">1</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//在网站上线的101天的那天登录过(今天)</span>
<span class="token">//然后我们通过 bitCount统计tom的二进制位偏移有多少个1 (有多少个1就上线了几天)</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">bitCount</span><span class="token3">(</span><span class="token2">'tom'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//tom上线了多少天</span>
<span class="token">//bitOp - 在多个键上按位运算(redis现支持的按位操录作符有: "AND", "OR", "NOT", "XOR") BITOP可能是一个缓慢的命令容易阻塞</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">set</span><span class="token3">(</span><span class="token2">'k1'</span><span class="token3">,</span> <span class="token2">'foobar'</span><span class="token3">)</span><span class="token3">;</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">set</span><span class="token3">(</span><span class="token2">'k2'</span><span class="token3">,</span> <span class="token2">'abcdef'</span><span class="token3">)</span><span class="token3">;</span>
$a<span class="token1">=</span>$redis<span class="token1">-</span><span class="token1">></span><span class="token4">bitOp</span><span class="token3">(</span><span class="token2">'and'</span><span class="token3">,</span><span class="token2">'newkey'</span><span class="token3">,</span><span class="token2">'k1'</span><span class="token3">,</span><span class="token2">'k2'</span><span class="token3">)</span><span class="token3">;</span><span class="token">//6 `bc`ab</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">get</span><span class="token3">(</span><span class="token2">'newkey'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//`bc`ab</span>
<span class="token">/*过程:
1100110 1101111 1101111 1100010 1100001 1110010
1100001 1100010 1100011 1100100 1100101 1100110
按位与(and)之后:
1100000 1100010 1100011 1100000 1100001 1100010 (`bc`ab)
*/</span>
<span class="token">//计算网站每日活跃用户(登录了多少用户)</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">setBit</span><span class="token3">(</span>active01<span class="token3">,</span> userid<span class="token1">=</span><span class="token6">1</span><span class="token3">,</span> <span class="token6">1</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//每月1号为active01,..每月15号为active15 第二个参数用户的id作为偏移量 只要用户一登录就执行这个设置偏移值为1</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">bitCount</span><span class="token3">(</span><span class="token2">'active01'</span><span class="token3">)</span><span class="token3">;</span><span class="token">//计算昨天(1)号的在线人数</span>
<span class="token">//计算网站每月活跃用户(一个月内登陆的用户去重总数)即可把30天的所有bitmap做or计算,然后再计算bitcount</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">bitOp</span><span class="token3">(</span><span class="token2">'or'</span><span class="token3">,</span><span class="token2">'month_active'</span><span class="token3">,</span><span class="token2">'active01'</span><span class="token3">,</span><span class="token2">'active02'</span><span class="token3">,</span><span class="token2">'...'</span><span class="token3">,</span><span class="token2">'active31'</span><span class="token3">)</span><span class="token3">;</span>
<span class="token">//计算留存率(次日留存=昨天今天连续登的人数/昨天登录的人数)</span>
<span class="token">//自减:</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">decr</span><span class="token3">(</span>键<span class="token3">,</span>每次自减的位数默认<span class="token6">1</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//命令将 key 中储存的数字值增一,如果 key 不存在,那么 key 的值会先被初始化为 0 ,然后再执行 INCR 操作,且将key的有效时间设置为长期有效</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">decr</span><span class="token3">(</span><span class="token2">'key1'</span><span class="token3">,</span> <span class="token6">10</span><span class="token3">)</span><span class="token3">;</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">decrBy</span><span class="token3">(</span>键<span class="token3">,</span>每次自减的位数默认<span class="token6">1</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//命令将 key 中储存的数字加上指定的增量值,如果 key 不存在,那么 key 的值会先被初始化为 0 ,然后再执行 INCR 操作(命令用于为哈希表中的字段值加上指定增量值)</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">decrBy</span><span class="token3">(</span><span class="token2">'key1'</span><span class="token3">,</span> <span class="token6">10</span><span class="token3">)</span><span class="token3">;</span>
<span class="token">//自增:(同decr、decrBy)</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">incr</span><span class="token3">(</span><span class="token2">'key1'</span><span class="token3">,</span><span class="token6">10</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//假设key1 不存在, 自增前自动设置为0现在是0+10=10</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">incrBy</span><span class="token3">(</span><span class="token2">'key1'</span><span class="token3">,</span><span class="token6">10</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//10+10=20 </span>
<span class="token">//incrByFloat -使用浮点精度自增自减</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">incrByFloat</span><span class="token3">(</span><span class="token2">'key1'</span><span class="token3">,</span> <span class="token6">1.5</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//假设key1不存在 自增前自动赋值为0 现在是0+1.5=1.5</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">incrByFloat</span><span class="token3">(</span><span class="token2">'key1'</span><span class="token3">,</span> <span class="token6">1.5</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//1.5+1.5=3</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">incrByFloat</span><span class="token3">(</span><span class="token2">'key1'</span><span class="token3">,</span> <span class="token1">-</span><span class="token6">1.5</span><span class="token3">)</span><span class="token3">;</span><span class="token">//3-1.5=1.5</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">get</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//获取redis某个键的值</span>
<span class="token">//setRange(键,替换的起始位置,替换的字符) - 字符替换</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">set</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token2">'Hello world'</span><span class="token3">)</span><span class="token3">;</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">setRange</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token6">6</span><span class="token3">,</span> <span class="token2">"redis"</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//Hello redis</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">setRange</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token6">6</span><span class="token3">,</span> <span class="token2">"my"</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//Hello mydis</span>
<span class="token">//getRange(键, 开始位, 结束位); 返回指定范围的字符串</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">getRange</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token6">0</span><span class="token3">,</span> <span class="token6">5</span><span class="token3">)</span><span class="token3">;</span><span class="token">//'Hello '</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">getRange</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token1">-</span><span class="token6">5</span><span class="token3">,</span> <span class="token1">-</span><span class="token6">1</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//'mydis'</span>
<span class="token">//getSet - 设置一个值并返回该键的上一个条目</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">set</span><span class="token3">(</span><span class="token2">'x'</span><span class="token3">,</span> <span class="token2">'42'</span><span class="token3">)</span><span class="token3">;</span>
$exValue <span class="token1">=</span> $redis<span class="token1">-</span><span class="token1">></span><span class="token4">getSet</span><span class="token3">(</span><span class="token2">'x'</span><span class="token3">,</span> <span class="token2">'lol'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//返回'42'</span>
$newValue <span class="token1">=</span> $redis<span class="token1">-</span><span class="token1">></span><span class="token4">get</span><span class="token3">(</span><span class="token2">'x'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//返回'lol'</span>
<span class="token">//mGet, getMultiple - 获取所有指定键的值。如果一个或多个键不存在,则数组在键的位置将包含FALSE</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">set</span><span class="token3">(</span><span class="token2">'key1'</span><span class="token3">,</span> <span class="token2">'value1'</span><span class="token3">)</span><span class="token3">;</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">mGet</span><span class="token3">(</span><span class="token3">[</span><span class="token2">'key0'</span><span class="token3">,</span> <span class="token2">'key1'</span><span class="token3">,</span> <span class="token2">'key5'</span><span class="token3">]</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//[`FALSE`, 'value1', `FALSE`]; 返回与键的值相关的数组</span>
<span class="token">//mSet, mSetNX -批量设置键值 返回boolean</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">mSet</span><span class="token3">(</span><span class="token3">[</span><span class="token2">'key0'</span> <span class="token1">=</span><span class="token1">></span> <span class="token2">'value0'</span><span class="token3">,</span> <span class="token2">'key1'</span> <span class="token1">=</span><span class="token1">></span> <span class="token2">'value1'</span><span class="token3">]</span><span class="token3">)</span><span class="token3">;</span>
$redis<span class="token1">-</span><span class="token1">></span>mSetNX <span class="token3">(</span><span class="token3">[</span><span class="token2">'dada'</span> <span class="token1">=</span><span class="token1">></span> <span class="token2">'value0'</span><span class="token3">,</span> <span class="token2">'xiaoxiao'</span> <span class="token1">=</span><span class="token1">></span> <span class="token2">'value1'</span><span class="token3">]</span><span class="token3">)</span><span class="token3">;</span><span class="token">//当且仅当所有给定key全都不存在时才批量设置键值 返回boolean key0和key1都不存在才能设置,否则两个都不会设置成功</span>
<span class="token">//set(键,值,过期时间或者扩展数组) - 设置键的值。如果您使用Redis> = 2.6.12,则可以传递扩展选项</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">set</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span><span class="token2">'value'</span><span class="token3">,</span> <span class="token6">10</span><span class="token3">)</span><span class="token3">;</span>
<span class="token">//TTL, time to live(生存时间)</span>
<span class="token">//setEx, pSetEx - 将设置为指定key的值,并设置生存时间。 PSETEX使用TTL,以毫秒为单位</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">setEx</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token6">3600</span><span class="token3">,</span> <span class="token2">'value'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">// 设置键值, with 1h TTL. 以秒为单位</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">pSetEx</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token6">100</span><span class="token3">,</span> <span class="token2">'value'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">// 设置键值, with 0.1 sec TTL. 以毫秒为单位</span>
<span class="token">//setNx - 键不存在才赋值 返回boolean</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">setNx</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token2">'value'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//TRUE </span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">setNx</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token2">'value'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">//FALSE</span>
<span class="token">//strLen(键) -获取键对应字符串值的长度</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">set</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">,</span> <span class="token2">'value'</span><span class="token3">)</span><span class="token3">;</span>
$redis<span class="token1">-</span><span class="token1">></span><span class="token4">strlen</span><span class="token3">(</span><span class="token2">'key'</span><span class="token3">)</span><span class="token3">;</span> <span class="token">// 5</span>
```
```
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- new self()与new static()
- this、self、static、parent、super
- self、static、parent:后期静态绑定
- PHP的静态变量
- php导入
- trait
- 动态调用类方法
- 参数及类型申明
- 方法的重载覆盖
- return $a && $b
- 设计思想
- 依赖注入与依赖倒置
- 创建型模式(创建类对象)
- (*)单例模式
- (*)工厂模式
- 原型模式(在方法里克隆this)
- 创建者模式
- 结构型模式
- 适配器模式(Adapter)
- 桥接模式
- 装饰模式
- 组合模式
- 外观模式(门面(Facade)模式)
- 享元模式
- 代理模式
- 行为型模式
- (*)观察者模式
- (*)迭代器模式(Iterator)
- 模板方法模式 Template
- 命令模式(Command)
- 中介者模式(Mediator)
- 状态模式(State)
- 职责链模式 (Chainof Responsibility)
- 策略模式(Strategy)
- 已知模式-备忘录模式(Memento)
- 深度模式-解释器模式(Interpreter)
- 深度模式-访问者模式(Visitor)
- (*)注册树(注射器、注册表)模式
- 函数参考
- 影响 PHP 行为的扩展
- APC扩展(过时)
- APCu扩展
- APD扩展(过时)
- bcompiler扩展(过时)
- BLENC扩展 (代码加密 实验型)
- Componere扩展(7.1+)
- 错误处理扩展(PHP 核心)
- FFI扩展
- htscanner扩展
- inclued扩展
- Memtrack扩展
- OPcache扩展(5.5.0内部集成)
- Output Control扩展(核心)
- PHP Options/Info扩展(核心)
- phpdbg扩展(5.6+内部集成)
- runkit扩展
- runkit7扩展
- scream扩展
- uopz扩展
- Weakref扩展
- WinCache扩展
- Xhprof扩展
- 音频格式操作
- ID3
- KTaglib
- oggvorbis
- OpenAL
- 身份认证服务
- KADM5
- Radius
- 针对命令行的扩展
- Ncurses(暂无人维护)
- Newt(暂无人维护)
- Readline
- 压缩与归档扩展
- Bzip2
- LZF
- Phar
- Rar
- Zip
- Zlib
- 信用卡处理
- 加密扩展
- Crack(停止维护)
- CSPRNG(核心)
- Hash扩展(4.2内置默认开启、7.4核心)
- Mcrypt(7.2移除)
- Mhash(过时)
- OpenSSL(*)
- 密码散列算法(核心)
- Sodium(+)
- 数据库扩展
- 数据库抽象层
- 针对各数据库系统对应的扩展
- 日期与时间相关扩展
- Calendar
- 日期/时间(核心)
- HRTime(*)
- 文件系统相关扩展
- Direct IO
- 目录(核心)
- Fileinfo(内置)
- 文件系统(核心)
- Inotify
- Mimetype(过时)
- Phdfs
- Proctitle
- xattr
- xdiff
- 国际化与字符编码支持
- Enchant
- FriBiDi
- Gender
- Gettext
- iconv(内置默认开启)
- intl
- 多字节字符串(mbstring)
- Pspell
- Recode(将要过时)
- 图像生成和处理
- Cairo
- Exif
- GD(内置)
- Gmagick
- ImageMagick
- 邮件相关扩展
- Cyrus
- IMAP
- Mail(核心)
- Mailparse
- vpopmail(实验性 )
- 数学扩展
- BC Math
- GMP
- Lapack
- Math(核心)
- Statistics
- Trader
- 非文本内容的 MIME 输出
- FDF
- GnuPG
- haru(实验性)
- Ming(实验性)
- wkhtmltox(*)
- PS
- RPM Reader(停止维护)
- RpmInfo
- XLSWriter Excel操作(*)
- 进程控制扩展
- Eio
- Ev
- Expect
- Libevent
- PCNTL
- POSIX
- 程序执行扩展(核心)
- parallel
- pthreads(*)
- pht
- Semaphore
- Shared Memory
- Sync
- 其它基本扩展
- FANN
- GeoIP(*)
- JSON(内置)
- Judy
- Lua
- LuaSandbox
- Misc(核心)
- Parsekit
- SeasLog(-)
- SPL(核心)
- SPL Types(实验性)
- Streams(核心)
- Swoole(*)
- Tidy扩展
- Tokenizer
- URLs(核心)
- V8js(*)
- Yaml
- Yaf
- Yaconf(核心)
- Taint(检测xss字符串等)
- Data Structures
- 其它服务
- 网络(核心)
- cURL(*)
- Event(*)
- chdb
- FAM
- FTP
- Gearman
- Gopher
- Gupnp
- Hyperwave API(过时)
- LDAP(+)
- Memcache
- Memcached(+)
- mqseries
- RRD
- SAM
- ScoutAPM
- SNMP
- Sockets
- SSH2
- Stomp
- SVM
- SVN(试验性的)
- TCP扩展
- Varnish
- YAZ
- YP/NIS
- 0MQ(ZeroMQ、ZMQ)消息系统
- ZooKeeper
- 搜索引擎扩展
- mnoGoSearch
- Solr
- Sphinx
- Swish(实验性)
- 针对服务器的扩展
- Apache
- FastCGI 进程管理器
- IIS
- NSAPI
- Session 扩展
- Msession
- Sessions
- Session PgSQL
- 文本处理
- BBCode
- CommonMark(markdown解析)
- Parle
- PCRE( 核心)
- POSIX Regex
- ssdeep
- 字符串(核心)
- 变量与类型相关扩展
- 数组(核心)
- 类/对象(核心)
- Classkit(未维护)
- Ctype
- Filter扩展
- 函数处理(核心)
- quickhash扩展
- 反射扩展(核心)
- Variable handling(核心)
- Web 服务
- OAuth
- SCA(实验性)
- SOAP
- Yar
- XML-RPC(实验性)
- Windows 专用扩展
- COM
- win32ps
- win32service
- XML 操作
- DOM(内置,默认开启)
- libxml(内置 默认开启)
- SDO(停止维护)
- SDO-DAS-Relational(试验性的)
- SDO DAS XML
- SimpleXML(内置,5.12+默认开启)
- WDDX
- XMLDiff
- XML 解析器(Expat 解析器 默认开启)
- XMLReader(5.1+内置默认开启)
- XMLWriter(5.1+内置默认开启)
- XSL(内置)
- 图形用户界面(GUI) 扩展
- UI
- 预定义类
- PHP SPL(PHP 标准库)
- 数据结构
- SplDoublyLinkedList(双向链表)
- SplStack(栈 先进后出)
- SplQueue(队列)
- SplHeap(堆)
- SplMaxHeap(最大堆)
- SplMinHeap(最小堆)
- SplPriorityQueue(堆之优先队列)
- SplFixedArray(阵列【数组】)
- SplObjectStorage(映射【对象存储】)
- 迭代器
- DirectoryIterator类
- 文件处理
- SplFileInfo
- SplFileObject
- SplTempFileObject
- 接口 interface
- Countable
- OuterIterator
- RecursiveIterator
- SeekableIterator
- 异常
- 各种类及接口
- SplSubject
- SplObserver
- ArrayObject(将数组作为对象操作)
- SPL 函数
- 预定义接口
- Traversable(遍历)接口
- Iterator(迭代器)接口
- IteratorAggregate(聚合式迭代器)接口
- ArrayAccess(数组式访问)接口
- Serializable 序列化接口
- JsonSerializable
- Closure 匿名函数(闭包)类
- Generator生成器类
- 生成器(php5.5+)
- 反射
- 一、反射(reflection)类
- 二、Reflector 接口
- ReflectionClass 类报告了一个类的有关信息。
- ReflectionFunctionAbstract
- ReflectionParameter 获取函数或方法参数的相关信息
- ReflectionProperty 类报告了类的属性的相关信息。
- ReflectionClassConstant类报告有关类常量的信息。
- ReflectionZendExtension 类返回Zend扩展相关信息
- ReflectionExtension 报告了一个扩展(extension)的有关信息。
- 三、ReflectionGenerator类用于获取生成器的信息
- 四、ReflectionType 类用于获取函数、类方法的参数或者返回值的类型。
- 五、反射的应用场景
- git
- Git代码同时上传到GitHub和Gitee(码云)
- Git - 多人协同开发利器,团队协作流程规范与注意事项
- 删除远程仓库的文件
- 创建composer项目
- composer安装及设置
- composer自动加载讲解
- phpsdudy的composer操作
- swoole笔记
- 安装及常用Cli操作
- TCP
- 4种回调函数的写法
- phpRedis
- API
- API详细
- redis DB 概念:
- 通用命令:rawCommand
- Connection
- Server
- List
- Set
- Zset
- Hash
- string
- Keys
- 事物
- 发布订阅
- 流streams
- Geocoding 地理位置
- lua脚本
- Introspection 自我检测
- biMap
- 原生
- php-redis 操作类 封装
- redis 队列解决秒杀解决超卖:
- Linux
- Centos8(Liunx) 中安装PHP7.4 的三种方法和删除它的三种方法
- 权限设计
- ACL
- RBAC
- RBAC0
- RBAC1
- RBAC2
- RBAC3
- 例子
- ABAC 基于属性的访问控制
- 总结:SAAS后台权限设计案例分析
- casbin-权限管理框架
- 开始使用
- casbinAPI
- Think-Casbin
- 单点登录(SSO)
- OAuth授权
- OAuth 2.0 的四种方式
- 更新令牌
- 例子:第三方登录
- 微服务架构下的统一身份认证和授权
- 杂项
- SSL证书
- sublime Emmet的快捷语法
- 免费翻译接口
- 免费空间
- xss过滤
- HTML Purifier文档
- xss例子
- 实用小函数
- PHP操作Excel
- 架构师必须知道的26项PHP安全实践
- 模版布局
- smarty模版
- blade
- twig
- 大佬博客
- 优化
- 缓存
- opcache
- memcache
- 数据库
- 主从分布
- 数据库设计
- 笔记
- 配置
- nginx 主从配置
- nginx 负载均衡的配置
- 手动搭建Redis集群和MySQL主从同步(非Docker)
- Redis Cluster集群
- mysql主从同步
- 用安卓手机搭建 web 服务器
- 软件选择
- 扩展库列表
- 代码审计
- 漏洞挖掘的思路
- 命令注入
- 代码注入
- XSS 反射型漏洞
- XSS 存储型漏洞
- 本地包含与远程包含
- sql注入
- 函数
- 注释
- 步骤
- information_schema
- sql注入的分类
- 实战
- 防御
- CSRF 跨站请求伪造
- 计动态函数执行与匿名函数执行
- unserialize反序列化漏洞
- 覆盖变量漏洞
- 文件管理漏洞
- 文件上传漏洞
- 跳过登录
- URL编码对照表
- 浏览器插件开发
- 插件推荐
- 扩展文件manifest.json
- 不可视的background(常驻)页面
- 可视页面browser actions与page actions及八种展示方式
- 使用chrome.xxx API
- Google Chrome扩展与Web页面/服务器之间的交互
- Google Chrome扩展中的页面之间的数据通信
- inject-script
- chromeAPI
- pageAction
- alarms
- chrome.tabs
- chrome.runtime
- chrome.webRequest
- chrome.window
- chrome.storage
- chrome.contextMenus
- chrome.devtools
- chrome.extension
- 分类
- homepage_url 开发者或者插件主页
- 5种类型的JS对比及消息通信
- 其它补充
- 前端、移动端
- html5
- meta标签
- flex布局
- javascript
- 获取js对象所有方法
- dom加载
- ES6函数写法
- ES6中如何导入和导出模块
- 数组的 交集 差集 补集 并集
- bootstrap
- class速查
- 常见data属性
- 开源项目
- 会员 数据库表设计
- 程序执行
- 开发总结
- API接口
- API接口设计
- json转化
- app接口