php 中文手册

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Yaconf::has

(PECL yaconf >= 1.0.0)

Yaconf::has — Determine if a item exists

说明

public static Yaconf::has ( string $name ) : bool

参数

name

返回值

版权信息
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    - Yaf_Route_Interface — The Yaf_Route_Interface class
    - Yaf_Route_Map — The Yaf_Route_Map class
    - Yaf_Route_Regex — The Yaf_Route_Regex class
    - Yaf_Route_Rewrite — The Yaf_Route_Rewrite class
    - Yaf_Router — The Yaf_Router class
    - Yaf_Route_Simple — The Yaf_Route_Simple class
    - Yaf_Route_Static — The Yaf_Route_Static class
    - Yaf_Route_Supervar — The Yaf_Route_Supervar class
    - Yaf_Session — The Yaf_Session class
    - Yaf_Exception — The Yaf_Exception class
    - Yaf_Exception_TypeError — The Yaf_Exception_TypeError class
    - Yaf_Exception_StartupError — The Yaf_Exception_StartupError class
    - Yaf_Exception_DispatchFailed — The Yaf_Exception_DispatchFailed class
    - Yaf_Exception_RouterFailed — The Yaf_Exception_RouterFailed class
    - Yaf_Exception_LoadFailed — The Yaf_Exception_LoadFailed class
    - Yaf_Exception_LoadFailed_Module — The Yaf_Exception_LoadFailed_Module class
    - Yaf_Exception_LoadFailed_Controller — The Yaf_Exception_LoadFailed_Controller class
    - Yaf_Exception_LoadFailed_Action — The Yaf_Exception_LoadFailed_Action class
    - Yaf_Exception_LoadFailed_View — The Yaf_Exception_LoadFailed_View class
  - Yaconf
    - 简介
    - 安装／配置
    - 预定义常量
    - Yaconf — The Yaconf class
  - Taint
  - Data Structures
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - Collection — The Collection interface
    - Hashable — The Hashable interface
    - Sequence — The Sequence interface
    - Vector — The Vector class
    - Deque — The Deque class
    - Map — The Map class
    - Pair — The Pair class
    - Set — The Set class
    - Stack — The Stack class
    - Queue — The Queue class
    - PriorityQueue — The PriorityQueue class
- 其它服务
  - chdb — Constant hash database
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - chdb — The chdb class
    - chdb 函数
  - cURL — Client URL 库
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - cURL 函数
    - CURLFile — CURLFile 类
  - Event
    - 简介
    - 安装／配置
    - 范例
    - 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 — The EventConfig class
    - 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
  - FAM — File Alteration Monitor
  - FTP
  - Gearman
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - GearmanClient — The GearmanClient class
    - GearmanJob — The GearmanJob class
    - GearmanTask — The GearmanTask class
    - GearmanWorker — The GearmanWorker class
    - GearmanException — The GearmanException class
  - Gopher — Net Gopher
  - Gupnp
  - Hyperwave API
  - LDAP — Lightweight Directory Access Protocol
  - Memcache
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - 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
  - mqseries
  - 网络
  - RRD — RRDtool
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - RRD 函数
    - RRDCreator — The RRDCreator class
    - RRDGraph — The RRDGraph class
    - RRDUpdater — The RRDUpdater class
  - SAM — Simple Asynchronous Messaging
  - SNMP
    - 简介
    - 安装／配置
    - 预定义常量
    - SNMP 函数
    - SNMP — The SNMP class
    - SNMPException — The SNMPException class
  - Sockets
  - SSH2 — Secure Shell2
  - Stomp — Stomp Client
    - 简介
    - 安装／配置
    - 范例
    - 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
    - 范例
    - 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
    - 范例
    - VarnishAdmin — The VarnishAdmin class
    - VarnishStat — The VarnishStat class
    - VarnishLog — The VarnishLog class
  - YAZ
  - YP/NIS
  - 0MQ消息系统 — 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
    - 预定义常量
    - 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
  - mnoGoSearch
  - Solr — Apache Solr
    - 简介
    - 安装／配置
    - 预定义常量
    - Solr 函数
    - 范例
    - 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
  - Sphinx — Sphinx 客户端
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - SphinxClient — SphinxClient 类
  - Swish — Swish Indexing
- 针对服务器的扩展
  - Apache
  - FastCGI 进程管理器
  - IIS — IIS Administration
  - NSAPI
- Session 扩展
  - Msession — Mohawk Software Session Handler Functions
  - Sessions — Session Handling
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - Session 上传进度
    - 会话和安全
    - Session 函数
    - SessionHandler — The SessionHandler class
    - SessionHandlerInterface — The SessionHandlerInterface class
  - Session PgSQL — PostgreSQL Session Save Handler
- 文本处理
  - BBCode — Bulletin Board Code
  - CommonMark
    - 简介
    - 安装／配置
    - 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
    - 范例
    - 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)
  - POSIX Regex — Regular Expression (POSIX Extended)
  - 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
  - Classkit
  - Ctype — 字符类型检测
  - Filter — Data Filtering
  - 函数处理
  - Quickhash
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - QuickHashIntSet — The QuickHashIntSet class
    - QuickHashIntHash — The QuickHashIntHash class
    - QuickHashStringIntHash — The QuickHashStringIntHash class
    - QuickHashIntStringHash — The QuickHashIntStringHash class
  - 反射
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - 扩展
    - Reflection — Reflection 类
    - ReflectionClass — ReflectionClass 类
    - ReflectionClassConstant — The ReflectionClassConstant class
    - ReflectionZendExtension — ReflectionZendExtension 类
    - ReflectionExtension — ReflectionExtension 类
    - ReflectionFunction — ReflectionFunction 类
    - ReflectionFunctionAbstract — ReflectionFunctionAbstract 类
    - ReflectionMethod — ReflectionMethod 类
    - ReflectionObject — ReflectionObject 类
    - ReflectionParameter — ReflectionParameter 类
    - ReflectionProperty — ReflectionProperty 类
    - ReflectionType — The ReflectionType class
    - ReflectionGenerator — 生成器反射类
    - Reflector — Reflector 接口
    - ReflectionException — ReflectionException 类
  - Variable handling
- Web 服务
  - OAuth
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - OAuth 函数
    - OAuth — OAuth 类
    - OAuthProvider — OAuthProvider 类
    - OAuthException — OAuthException 类
  - SCA
  - 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
    - 范例
    - Yar_Server — The Yar_Server class
    - Yar_Client — The Yar_Client class
    - Yar_Concurrent_Client — The Yar_Concurrent_Client class
    - Yar_Server_Exception — The Yar_Server_Exception class
    - Yar_Client_Exception — The Yar_Client_Exception class
  - XML-RPC
- Windows 专用扩展
  - COM — COM and .Net (Windows)
    - 简介
    - 安装／配置
    - 预定义常量
    - Errors and error handling
    - 范例
    - COM — The COM class
    - DOTNET — The DOTNET class
    - VARIANT — VARIANT class
    - COM 函数
  - win32ps
  - win32service
- XML 操作
  - DOM — Document Object Model
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - DOMAttr — The DOMAttr class
    - DOMCdataSection — The DOMCdataSection class
    - DOMCharacterData — The DOMCharacterData class
    - 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 class
    - DOMImplementation — The DOMImplementation class
    - DOMNamedNodeMap — The DOMNamedNodeMap class
    - DOMNode — The DOMNode class
    - DOMNodeList — The DOMNodeList class
    - DOMNotation — The DOMNotation class
    - DOMProcessingInstruction — The DOMProcessingInstruction class
    - DOMText — The DOMText class
    - DOMXPath — The DOMXPath class
    - DOM 函数
  - libxml
    - 简介
    - 安装／配置
    - 预定义常量
    - libXMLError — The libXMLError class
    - libxml 函数
  - SDO — Service Data Objects
  - SDO-DAS-Relational — SDO Relational Data Access Service
  - SDO DAS XML — SDO XML Data Access Service
  - SimpleXML
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - 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
  - XMLReader
    - 简介
    - 安装／配置
    - XMLReader — The XMLReader class
  - XMLWriter
  - XSL
    - 简介
    - 安装／配置
    - 预定义常量
    - 范例
    - 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 dimenstions (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
PHP 核心：骇客指南
FAQ — 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 — 密码散列安全
- PHP 和 HTML
- PHP 和 COM
- 其他问题
附录