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Ds\Set::count

(PECL ds >= 1.0.0)

Ds\Set::count — Returns the number of values in the set

说明

See Countable::count()

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    - Swoole\Process — The Swoole\Process class
    - Swoole\Redis\Server — The Swoole\Redis\Server class
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    - Swoole\WebSocket\Frame — The Swoole\WebSocket\Frame class
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  - Tidy
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    - tidy — The tidy class
    - tidyNode — The tidyNode class
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    - PhpToken — The PhpToken class
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  - URLs
  - V8js — V8 Javascript Engine Integration
    - 简介
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    - V8Js — The V8Js class
    - V8JsException — The V8JsException class
  - Yaml — YAML 数据序列化
  - Yaf — Yet Another Framework
    - 简介
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    - 示例
    - 应用程序配置
    - Yaf_Application — Yaf_Application 类
    - Yaf_Bootstrap_Abstract — Yaf_Bootstrap_Abstract 类
    - Yaf_Dispatcher — Yaf_Dispatcher 类
    - Yaf_Config_Abstract — Yaf_Config_Abstract 类
    - Yaf_Config_Ini — Yaf_Config_Ini 类
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    - Yaf_Loader — Yaf_Loader 类
    - Yaf_Plugin_Abstract — Yaf_Plugin_Abstract 类
    - Yaf_Registry — Yaf_Registry 类
    - Yaf_Request_Abstract — Yaf_Request_Abstract 类
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    - Yaf_Route_Supervar — Yaf_Route_Supervar 类
    - Yaf_Session — Yaf_Session 类
    - Yaf_Exception — Yaf_Exception 类
    - Yaf_Exception_TypeError — Yaf_Exception_TypeError 类
    - Yaf_Exception_StartupError — Yaf_Exception_StartupError 类
    - Yaf_Exception_DispatchFailed — Yaf_Exception_DispatchFailed 类
    - Yaf_Exception_RouterFailed — Yaf_Exception_RouterFailed 类
    - Yaf_Exception_LoadFailed — Yaf_Exception_LoadFailed 类
    - Yaf_Exception_LoadFailed_Module — Yaf_Exception_LoadFailed_Module 类
    - Yaf_Exception_LoadFailed_Controller — Yaf_Exception_LoadFailed_Controller 类
    - Yaf_Exception_LoadFailed_Action — Yaf_Exception_LoadFailed_Action 类
    - Yaf_Exception_LoadFailed_View — Yaf_Exception_LoadFailed_View 类
  - Yaconf
    - 简介
    - 安装/配置
    - Yaconf — The Yaconf class
  - Taint
  - Data Structures
    - 简介
    - 安装/配置
    - 示例
    - Ds\Collection — The Collection interface
    - Ds\Hashable — The Hashable interface
    - Ds\Sequence — The Sequence interface
    - Ds\Vector — The Vector class
    - Ds\Deque — The Deque class
    - Ds\Map — The Map class
    - Ds\Pair — The Pair class
    - Ds\Set — The Set class
    - Ds\Stack — The Stack class
    - Ds\Queue — The Queue class
    - Ds\PriorityQueue — The PriorityQueue class
  - var_representation
- 其它服务
  - cURL — Client URL 库
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - cURL 函数
    - CurlHandle — CurlHandle 类
    - CurlMultiHandle — CurlMultiHandle 类
    - CurlShareHandle — CurlShareHandle 类
    - CurlSharePersistentHandle — CurlSharePersistentHandle 类
    - CURLFile — CURLFile 类
    - CURLStringFile — CURLStringFile 类
  - Event
    - 简介
    - 安装/配置
    - 示例
    - Event flags
    - About event persistence
    - Event callbacks
    - Constructing signal events
    - Event — The Event class
    - EventBase — The EventBase class
    - EventBuffer — The EventBuffer class
    - EventBufferEvent — The EventBufferEvent class
    - About buffer event callbacks
    - EventConfig — EventConfig 类
    - EventDnsBase — The EventDnsBase class
    - EventHttp — The EventHttp class
    - EventHttpConnection — The EventHttpConnection class
    - EventHttpRequest — The EventHttpRequest class
    - EventListener — The EventListener class
    - EventSslContext — The EventSslContext class
    - EventUtil — The EventUtil class
    - EventException — The EventException class
  - FTP
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - FTP 函数
    - FTP\Connection — The FTP\Connection class
  - Gearman
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - GearmanClient — The GearmanClient class
    - GearmanJob — The GearmanJob class
    - GearmanTask — The GearmanTask class
    - GearmanWorker — The GearmanWorker class
    - GearmanException — The GearmanException class
  - LDAP — Lightweight Directory Access Protocol
    - 简介
    - 安装/配置
    - 预定义常量
    - Using the PHP LDAP calls
    - LDAP controls
    - 示例
    - LDAP 函数
    - LDAP\Connection — The LDAP\Connection class
    - LDAP\Result — The LDAP\Result class
    - LDAP\ResultEntry — The LDAP\ResultEntry class
  - Memcache
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Memcache — Memcache 类
    - Memcache 函数
  - Memcached
    - 简介
    - 安装/配置
    - 预定义常量
    - 超时时间
    - 回调
    - Sessions支持
    - Memcached — Memcached 类
    - MemcachedException — MemcachedException类
  - mqseries
  - 网络
  - RRD — RRDtool
    - 简介
    - 安装/配置
    - 示例
    - RRD 函数
    - RRDCreator — The RRDCreator class
    - RRDGraph — The RRDGraph class
    - RRDUpdater — The RRDUpdater class
  - ScoutAPM
  - SNMP
    - 简介
    - 安装/配置
    - 预定义常量
    - SNMP 函数
    - SNMP — The SNMP class
    - SNMPException — The SNMPException class
  - Socket
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Socket Errors
    - Socket 函数
    - Socket — Socket 类
    - AddressInfo — AddressInfo 类
  - SSH2 — Secure Shell2
  - Stomp — Stomp Client
    - 简介
    - 安装/配置
    - 示例
    - Stomp 函数
    - Stomp — The Stomp class
    - StompFrame — The StompFrame class
    - StompException — The StompException class
  - SVM — 支持向量机
    - 简介
    - 安装/配置
    - 示例
    - SVM — The SVM class
    - SVMModel — The SVMModel class
  - SVN — Subversion
  - TCP — TCP Wrappers
  - Varnish
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - VarnishAdmin — The VarnishAdmin class
    - VarnishStat — The VarnishStat class
    - VarnishLog — The VarnishLog class
  - YAZ
  - 0MQ 消息 — ZMQ
    - 简介
    - 安装/配置
    - ZMQ — The ZMQ class
    - ZMQContext — The ZMQContext class
    - ZMQSocket — The ZMQSocket class
    - ZMQPoll — The ZMQPoll class
    - ZMQDevice — The ZMQDevice class
  - ZooKeeper
    - 简介
    - 安装/配置
    - ZooKeeper 函数
    - Zookeeper — The Zookeeper class
    - ZookeeperConfig — The ZookeeperConfig class
    - ZookeeperException — The ZookeeperException class
    - ZookeeperAuthenticationException — The ZookeeperAuthenticationException class
    - ZookeeperConnectionException — The ZookeeperConnectionException class
    - ZookeeperMarshallingException — The ZookeeperMarshallingException class
    - ZookeeperNoNodeException — The ZookeeperNoNodeException class
    - ZookeeperOperationTimeoutException — The ZookeeperOperationTimeoutException class
    - ZookeeperSessionException — The ZookeeperSessionException class
- 搜索引擎扩展
  - Solr — Apache Solr
    - 简介
    - 安装/配置
    - 预定义常量
    - Solr 函数
    - 示例
    - SolrUtils — The SolrUtils class
    - SolrInputDocument — The SolrInputDocument class
    - SolrDocument — The SolrDocument class
    - SolrDocumentField — The SolrDocumentField class
    - SolrObject — The SolrObject class
    - SolrClient — The SolrClient class
    - SolrResponse — The SolrResponse class
    - SolrQueryResponse — The SolrQueryResponse class
    - SolrUpdateResponse — The SolrUpdateResponse class
    - SolrPingResponse — The SolrPingResponse class
    - SolrGenericResponse — The SolrGenericResponse class
    - SolrParams — The SolrParams class
    - SolrModifiableParams — The SolrModifiableParams class
    - SolrQuery — The SolrQuery class
    - SolrDisMaxQuery — The SolrDisMaxQuery class
    - SolrCollapseFunction — The SolrCollapseFunction class
    - SolrException — The SolrException class
    - SolrClientException — The SolrClientException class
    - SolrServerException — The SolrServerException class
    - SolrIllegalArgumentException — The SolrIllegalArgumentException class
    - SolrIllegalOperationException — The SolrIllegalOperationException class
    - SolrMissingMandatoryParameterException — The SolrMissingMandatoryParameterException class
- 针对服务器的扩展
  - Apache
  - FastCGI 进程管理器
- Session 扩展
  - Sessions — Session 处理
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Session 上传进度
    - 会话和安全
    - Session 函数
    - SessionHandler — The SessionHandler class
    - SessionHandlerInterface — The SessionHandlerInterface class
    - SessionIdInterface — The SessionIdInterface interface
    - SessionUpdateTimestampHandlerInterface — The SessionUpdateTimestampHandlerInterface interface
- 文本处理
  - CommonMark
    - 简介
    - 安装/配置
    - 预定义常量
    - CommonMark\Node\Document — Document concrete CommonMark\Node
    - CommonMark\Node\Heading — Heading concrete CommonMark\Node
    - CommonMark\Node\Paragraph — Paragraph concrete CommonMark\Node
    - CommonMark\Node\BlockQuote — BlockQuote concrete CommonMark\Node
    - CommonMark\Node\BulletList — BulletList concrete CommonMark\Node
    - CommonMark\Node\OrderedList — OrderedList concrete CommonMark\Node
    - CommonMark\Node\Item — Item concrete CommonMark\Node
    - CommonMark\Node\Text — Text concrete CommonMark\Node
    - CommonMark\Node\Text\Strong — Strong concrete CommonMark\Node
    - CommonMark\Node\Text\Emphasis — Emphasis concrete CommonMark\Node
    - CommonMark\Node\ThematicBreak — ThematicBreak concrete CommonMark\Node
    - CommonMark\Node\SoftBreak — SoftBreak concrete CommonMark\Node
    - CommonMark\Node\LineBreak — LineBreak concrete CommonMark\Node
    - CommonMark\Node\Code — Code concrete CommonMark\Node
    - CommonMark\Node\CodeBlock — CodeBlock concrete CommonMark\Node
    - CommonMark\Node\HTMLBlock — HTMLBlock concrete CommonMark\Node
    - CommonMark\Node\HTMLInline — HTMLInline concrete CommonMark\Node
    - CommonMark\Node\Image — Image concrete CommonMark\Node
    - CommonMark\Node\Link — Link concrete CommonMark\Node
    - CommonMark\Node\CustomBlock — CustomBlock concrete CommonMark\Node
    - CommonMark\Node\CustomInline — CustomInline concrete CommonMark\Node
    - CommonMark\Node — Abstract CommonMark\Node
    - CommonMark\Interfaces\IVisitor — The CommonMark\Interfaces\IVisitor interface
    - CommonMark\Interfaces\IVisitable — The CommonMark\Interfaces\IVisitable interface
    - CommonMark\Parser — The CommonMark\Parser class
    - CommonMark\CQL — The CommonMark\CQL class
    - CommonMark 函数
  - Parle — Parsing and lexing
    - 简介
    - 安装/配置
    - 预定义常量
    - Pattern matching — Parle pattern matching
    - 示例
    - Parle\Lexer — The Parle\Lexer class
    - Parle\RLexer — The Parle\RLexer class
    - Parle\Parser — The Parle\Parser class
    - Parle\RParser — The Parle\RParser class
    - Parle\Stack — The Parle\Stack class
    - Parle\Token — The Parle\Token class
    - Parle\ErrorInfo — The Parle\ErrorInfo class
    - Parle\LexerException — The Parle\LexerException class
    - Parle\ParserException — The Parle\ParserException class
  - PCRE — 正则表达式(兼容 Perl)
  - ssdeep — ssdeep Fuzzy Hashing
  - 字符串
- 变量与类型相关扩展
  - 数组
  - 类/对象 — 类/对象的信息
  - Ctype — 字符类型检测
  - 过滤器 — 数据过滤器
  - 函数处理
    - 简介
    - 函数处理函数
  - Quickhash
    - 简介
    - 安装/配置
    - 示例
    - QuickHashIntSet — The QuickHashIntSet class
    - QuickHashIntHash — The QuickHashIntHash class
    - QuickHashStringIntHash — The QuickHashStringIntHash class
    - QuickHashIntStringHash — The QuickHashIntStringHash class
  - 反射
    - 简介
    - 示例
    - 扩展
    - Reflection — Reflection 类
    - ReflectionClass — ReflectionClass 类
    - ReflectionClassConstant — The ReflectionClassConstant class
    - ReflectionConstant — The ReflectionConstant class
    - ReflectionEnum — ReflectionEnum 类
    - ReflectionEnumUnitCase — ReflectionEnumUnitCase 类
    - ReflectionEnumBackedCase — ReflectionEnumBackedCase 类
    - ReflectionZendExtension — ReflectionZendExtension 类
    - ReflectionExtension — ReflectionExtension 类
    - ReflectionFunction — ReflectionFunction 类
    - ReflectionFunctionAbstract — ReflectionFunctionAbstract 类
    - ReflectionMethod — ReflectionMethod 类
    - ReflectionNamedType — ReflectionNamedType 类
    - ReflectionObject — ReflectionObject 类
    - ReflectionParameter — ReflectionParameter 类
    - ReflectionProperty — ReflectionProperty 类
    - ReflectionType — ReflectionType 类
    - ReflectionUnionType — ReflectionUnionType 类
    - ReflectionGenerator — ReflectionGenerator 类
    - ReflectionFiber — ReflectionFiber 类
    - ReflectionIntersectionType — ReflectionIntersectionType 类
    - ReflectionReference — ReflectionReference 类
    - ReflectionAttribute — ReflectionAttribute 类
    - Reflector — Reflector 接口
    - ReflectionException — ReflectionException 类
    - PropertyHookType — PropertyHookType 枚举
  - 变量处理
- Web 服务
  - OAuth
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - OAuth 函数
    - OAuth — OAuth 类
    - OAuthProvider — OAuthProvider 类
    - OAuthException — OAuthException 类
  - SOAP
    - 简介
    - 安装/配置
    - 预定义常量
    - SOAP 函数
    - SoapClient — The SoapClient class
    - SoapServer — The SoapServer class
    - SoapFault — The SoapFault class
    - SoapHeader — The SoapHeader class
    - SoapParam — The SoapParam class
    - SoapVar — The SoapVar class
  - Yar — Yet Another RPC Framework
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Yar_Server — The Yar_Server class
    - Yar_Client — Yar_Client 类
    - Yar_Concurrent_Client — Yar_Concurrent_Client 类
    - Yar_Server_Exception — Yar_Server_Exception 类
    - Yar_Client_Exception — Yar_Client_Exception 类
  - XML-RPC
- Windows 专用扩展
  - COM — COM 和 .Net（Windows）
    - 简介
    - 安装/配置
    - 预定义常量
    - Errors and error handling
    - 示例
    - com — The com class
    - dotnet — The dotnet class
    - variant — variant class
    - COMPersistHelper — The COMPersistHelper class
    - com_exception — The com_exception class
    - com_safearray_proxy — com_safearray_proxy 类
    - COM 函数
  - win32service
    - 简介
    - 安装/配置
    - 预定义常量
    - Win32ServiceException — The Win32ServiceException class
    - Win32Service\RightInfo — The Win32Service\RightInfo class
    - 示例
    - win32service 函数
- XML 操作
  - DOM — Document Object Model
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - DOMAttr — The DOMAttr class
    - DOMCdataSection — The DOMCdataSection class
    - DOMCharacterData — The DOMCharacterData class
    - DOMChildNode — The DOMChildNode interface
    - DOMComment — The DOMComment class
    - DOMDocument — The DOMDocument class
    - DOMDocumentFragment — The DOMDocumentFragment class
    - DOMDocumentType — The DOMDocumentType class
    - DOMElement — The DOMElement class
    - DOMEntity — The DOMEntity class
    - DOMEntityReference — The DOMEntityReference class
    - DOMException — The DOMException / Dom\Exception class
    - DOMImplementation — The DOMImplementation class
    - DOMNamedNodeMap — The DOMNamedNodeMap class
    - DOMNameSpaceNode — The DOMNameSpaceNode class
    - DOMNode — The DOMNode class
    - DOMNodeList — The DOMNodeList class
    - DOMNotation — The DOMNotation class
    - DOMParentNode — The DOMParentNode interface
    - DOMProcessingInstruction — The DOMProcessingInstruction class
    - DOMText — The DOMText class
    - DOMXPath — The DOMXPath class
    - Dom\AdjacentPosition — The Dom\AdjacentPosition Enum
    - Dom\Attr — The Dom\Attr class
    - Dom\CDATASection — The Dom\CDATASection class
    - Dom\CharacterData — The Dom\CharacterData class
    - Dom\ChildNode — The Dom\ChildNode interface
    - Dom\Comment — The Dom\Comment class
    - Dom\Document — The Dom\Document class
    - Dom\DocumentFragment — The Dom\DocumentFragment class
    - Dom\DocumentType — The Dom\DocumentType class
    - Dom\DtdNamedNodeMap — The Dom\DtdNamedNodeMap class
    - Dom\Element — The Dom\Element class
    - Dom\Entity — The Dom\Entity class
    - Dom\EntityReference — The Dom\EntityReference class
    - Dom\HTMLCollection — The Dom\HTMLCollection class
    - Dom\HTMLDocument — The Dom\HTMLDocument class
    - Dom\HTMLElement — The Dom\HTMLElement class
    - Dom\Implementation — The Dom\Implementation class
    - Dom\NamedNodeMap — The Dom\NamedNodeMap class
    - Dom\NamespaceInfo — The Dom\NamespaceInfo class
    - Dom\Node — The Dom\Node class
    - Dom\NodeList — The Dom\NodeList class
    - Dom\Notation — The Dom\Notation class
    - Dom\ParentNode — The Dom\ParentNode interface
    - Dom\ProcessingInstruction — The Dom\ProcessingInstruction class
    - Dom\Text — The Dom\Text class
    - Dom\TokenList — The Dom\TokenList class
    - Dom\XMLDocument — The Dom\XMLDocument class
    - Dom\XPath — The Dom\XPath class
    - DOM 函数
  - libxml
    - 简介
    - 安装/配置
    - 预定义常量
    - LibXMLError — The LibXMLError class
    - libxml 函数
  - SimpleXML
    - 简介
    - 安装/配置
    - 示例
    - SimpleXMLElement — The SimpleXMLElement class
    - SimpleXMLIterator — The SimpleXMLIterator class
    - SimpleXML 函数
  - WDDX
  - XMLDiff — XML diff and merge
    - 简介
    - 安装/配置
    - XMLDiff\Base — The XMLDiff\Base class
    - XMLDiff\DOM — The XMLDiff\DOM class
    - XMLDiff\Memory — The XMLDiff\Memory class
    - XMLDiff\File — The XMLDiff\File class
  - XML 解析器
    - 简介
    - 安装/配置
    - 预定义常量
    - 事件处理程序
    - 大写转换
    - 错误代码
    - 字符编码
    - 示例
    - XML 解析器函数
    - XMLParser — XMLParser 类
  - XMLReader
    - 简介
    - 安装/配置
    - XMLReader — The XMLReader class
  - XMLWriter
    - 简介
    - 安装/配置
    - 示例
    - XMLWriter — The XMLWriter class
  - XSL
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - XSLTProcessor — The XSLTProcessor class
- 图形用户界面(GUI) 扩展
  - UI
    - 简介
    - 安装/配置
    - UI\Point — Represents a position (x,y)
    - UI\Size — Represents dimensions (width, height)
    - UI\Window — Window
    - UI\Control — Control
    - UI\Menu — Menu
    - UI\MenuItem — Menu Item
    - UI\Area — Area
    - UI\Executor — Execution Scheduler
    - UI\Controls\Tab — Tab Control
    - UI\Controls\Check — Check Control
    - UI\Controls\Button — Button Control
    - UI\Controls\ColorButton — ColorButton Control
    - UI\Controls\Label — Label Control
    - UI\Controls\Entry — Entry Control
    - UI\Controls\MultilineEntry — MultilineEntry Control
    - UI\Controls\Spin — Spin Control
    - UI\Controls\Slider — Slider Control
    - UI\Controls\Progress — Progress Control
    - UI\Controls\Separator — Control Separator
    - UI\Controls\Combo — Combo Control
    - UI\Controls\EditableCombo — EdiableCombo Control
    - UI\Controls\Radio — Radio Control
    - UI\Controls\Picker — Picker Control
    - UI\Controls\Form — Control Form (Arrangement)
    - UI\Controls\Grid — Control Grid (Arrangement)
    - UI\Controls\Group — Control Group (Arrangement)
    - UI\Controls\Box — Control Box (Arrangement)
    - UI\Draw\Pen — Draw Pen
    - UI\Draw\Path — Draw Path
    - UI\Draw\Matrix — Draw Matrix
    - UI\Draw\Color — Color Representation
    - UI\Draw\Stroke — Draw Stroke
    - UI\Draw\Brush — Brushes
    - UI\Draw\Brush\Gradient — Gradient Brushes
    - UI\Draw\Brush\LinearGradient — Linear Gradient
    - UI\Draw\Brush\RadialGradient — Radial Gradient
    - UI\Draw\Text\Layout — Represents Text Layout
    - UI\Draw\Text\Font — Represents a Font
    - UI\Draw\Text\Font\Descriptor — Font Descriptor
    - UI 函数
    - UI\Draw\Text\Font\Weight — Font Weight Settings
    - UI\Draw\Text\Font\Italic — Italic Font Settings
    - UI\Draw\Text\Font\Stretch — Font Stretch Settings
    - UI\Draw\Line\Cap — Line Cap Settings
    - UI\Draw\Line\Join — Line Join Settings
    - UI\Key — Key Identifiers
    - UI\Exception\InvalidArgumentException — InvalidArgumentException
    - UI\Exception\RuntimeException — RuntimeException
FAQ — 常见问题
- 一般信息
- 邮件列表
- 获取 PHP
- 数据库问题
- 安装 — 安装常见问题
- 编译问题
- 使用 PHP
- 密码散列 — 安全可靠的密码散列
- PHP 和 HTML
- PHP 和 COM
- 其他问题
附录