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php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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><DIV
CLASS="TITLEPAGE"
><H1
CLASS="title"
>CXXXIX. runkit Functions</H1
><DIV
CLASS="PARTINTRO"
><A
NAME="AEN198306"
></A
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="runkit.intro"
>简介</A
></H1
><P
>&#13;    The runkit extension provides means to modify constants,
    user-defined functions, and user-defined classes.
    It also provides for custom superglobal variables
    and embeddable sub-interpreters via sandboxing.
   </P
><P
>&#13;    安装此 PECL 扩展库的信息可在手册中标题为 <A
HREF="install.pecl.html"
>PECL 扩展库安装</A
>的一章中找到。 更多信息如新版本，下载，源文件，维护者信息以及更新日志等可以在这里找到：
    <A
HREF="http://pecl.php.net/package/runkit"
TARGET="_top"
>http://pecl.php.net/package/runkit</A
>.
   </P
><P
>&#13;    This package is meant as a feature added replacement for the
    <A
HREF="http://pecl.php.net/package/classkit"
TARGET="_top"
>classkit</A
> package.
    When compiled with the <TT
CLASS="literal"
>--enable-runkit=classkit</TT
>
    option to ./configure, it will export classkit compatible function definitions
    and constants.
   </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="runkit.installation"
>安装</A
></H1
><P
>&#13;    本 <A
HREF="http://pecl.php.net"
TARGET="_top"
>PECL</A
> 扩展未绑定于 PHP 中。
   </P
><P
>&#13;    安装此 PECL 扩展库的信息可在手册中标题为 <A
HREF="install.pecl.html"
>PECL 扩展库安装</A
>的一章中找到。 更多信息如新版本，下载，源文件，维护者信息以及更新日志等可以在这里找到：
    <A
HREF="http://pecl.php.net/package/runkit"
TARGET="_top"
>http://pecl.php.net/package/runkit</A
>.
   </P
><P
>&#13;    可以从 <A
HREF="http://www.php.net/downloads.php"
TARGET="_top"
>PHP
下载页面</A
>或者 <A
HREF="http://snaps.php.net/"
TARGET="_top"
>http://snaps.php.net/</A
>
下载此 <ACRONYM
CLASS="acronym"
>PECL</ACRONYM
> 扩展的
<ACRONYM
CLASS="acronym"
>DLL</ACRONYM
> 文件。
   </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="runkit.requirements"
>需求</A
></H1
><P
>&#13;    <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>Modifying Constants, Functions, Classes, and Methods</I
></SPAN
>
    works with all releases of PHP 4 and PHP 5.  No special requirements are
    necessary.
   </P
><P
>&#13;    <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>Custom Superglobals</I
></SPAN
> are only available in PHP 4.2.0 or later.
   </P
><P
>&#13;    <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>Sandboxing</I
></SPAN
> requires PHP 5.1.0 or later, or
    PHP 5.0.0 with a special TSRM patch applied.
    Regardless of which version of PHP is in use it must be compiled with the
    <TT
CLASS="literal"
>--enable-maintainer-zts</TT
> option.
    See the <TT
CLASS="literal"
>README</TT
> file in the runkit package for additional information.
   </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="runkit.configuration"
>运行时配置</A
></H1
><P
>这些函数的行为受 <TT
CLASS="filename"
>php.ini</TT
> 的影响。</P
><P
>&#13;  <DIV
CLASS="table"
><A
NAME="AEN198343"
></A
><P
><B
>表 1. Runkit Configuration Options</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><COL><COL><THEAD
><TR
><TH
>Name</TH
><TH
>Default</TH
><TH
>Changeable</TH
><TH
>Changelog</TH
></TR
></THEAD
><TBODY
><TR
><TD
>runkit.superglobal</TD
><TD
>""</TD
><TD
>PHP_INI_PERDIR</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
>runkit.internal_override</TD
><TD
>"0"</TD
><TD
>PHP_INI_SYSTEM</TD
><TD
>&nbsp;</TD
></TR
></TBODY
></TABLE
></DIV
>
  有关 PHP_INI_* 常量进一步的细节与定义参见<A
HREF="ini.html"
>附录 H</A
>。
</P
><P
>以下是配置选项的简要解释。</P
><P
>&#13; <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><A
NAME="ini.runkit.superglobal"
></A
><CODE
CLASS="parameter"
>runkit.superglobal</CODE
>
    <A
HREF="language.types.string.html"
><B
CLASS="type"
>string</B
></A
></DT
><DD
><P
>&#13;     Comma-separated list of variable names to be treated as superglobals.
     This value should be set in the systemwide php.ini file, but may work
     in perdir configuration contexts depending on your SAPI.
    </P
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN198373"
></A
><P
><B
>例 1. Custom Superglobals with runkit.superglobal=_FOO,_BAR in php.ini</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">function </font><font color="#0000BB">show_values</font><font color="#007700">() {<br />&nbsp;&nbsp;echo </font><font color="#DD0000">"Foo is $_FOO</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br />&nbsp;&nbsp;echo </font><font color="#DD0000">"Bar is $_BAR</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br />&nbsp;&nbsp;echo </font><font color="#DD0000">"Baz is $_BAZ</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br />}<br /><br /></font><font color="#0000BB">$_FOO </font><font color="#007700">= </font><font color="#DD0000">'foo'</font><font color="#007700">;<br /></font><font color="#0000BB">$_BAR </font><font color="#007700">= </font><font color="#DD0000">'bar'</font><font color="#007700">;<br /></font><font color="#0000BB">$_BAZ </font><font color="#007700">= </font><font color="#DD0000">'baz'</font><font color="#007700">;<br /><br /></font><font color="#FF8000">/* Displays foo and bar, but not baz */<br /></font><font color="#0000BB">show_values</font><font color="#007700">();<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></DD
></DL
></DIV
>
 </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="runkit.constants"
>预定义常量</A
></H1
><P
>以下常量由本扩展模块定义，因此只有在本扩展模块被编译到
PHP 中，或者在运行时被动态加载后才有效。</P
><P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><TT
CLASS="constant"
><B
>RUNKIT_IMPORT_FUNCTIONS</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     <A
HREF="function.runkit-import.html"
><B
CLASS="function"
>runkit_import()</B
></A
> flag indicating
     that normal functions should be imported from the
     specified file.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>RUNKIT_IMPORT_CLASS_METHODS</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     <A
HREF="function.runkit-import.html"
><B
CLASS="function"
>runkit_import()</B
></A
> flag indicating
     that class methods should be imported from the
     specified file.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>RUNKIT_IMPORT_CLASS_CONSTS</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     <A
HREF="function.runkit-import.html"
><B
CLASS="function"
>runkit_import()</B
></A
> flag indicating
     that class constants should be imported from the
     specified file.  Note that this flag is only meaningful
     in PHP versions 5.1.0 and above.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>RUNKIT_IMPORT_CLASS_PROPS</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     <A
HREF="function.runkit-import.html"
><B
CLASS="function"
>runkit_import()</B
></A
> flag indicating
     that class standard properties should be imported
     from the specified file.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>RUNKIT_IMPORT_CLASSES</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     <A
HREF="function.runkit-import.html"
><B
CLASS="function"
>runkit_import()</B
></A
> flag representing
     a bitwise OR of the <TT
CLASS="constant"
><B
>RUNKIT_IMPORT_CLASS_*</B
></TT
>
     constants.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>RUNKIT_IMPORT_OVERRIDE</B
></TT
> 
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     <A
HREF="function.runkit-import.html"
><B
CLASS="function"
>runkit_import()</B
></A
> flag indicating that
     if any of the imported functions, methods, constants,
     or properties already exist, they should be replaced with
     the new definitions.  If this flag is not set, then any
     imported definitions which already exist will be discarded.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>RUNKIT_ACC_PUBLIC</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     PHP 5 specific flag to <A
HREF="function.runkit-method-add.html"
><B
CLASS="function"
>runkit_method_add()</B
></A
>
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>RUNKIT_ACC_PROTECTED</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     PHP 5 specific flag to <A
HREF="function.runkit-method-add.html"
><B
CLASS="function"
>runkit_method_add()</B
></A
>
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>RUNKIT_ACC_PRIVATE</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     PHP 5 specific flag to <A
HREF="function.runkit-method-add.html"
><B
CLASS="function"
>runkit_method_add()</B
></A
>
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>CLASSKIT_ACC_PUBLIC</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     PHP 5 specific flag to <A
HREF="function.classkit-method-add.html"
><B
CLASS="function"
>classkit_method_add()</B
></A
>
     Only defined when classkit compatibility is enabled.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>CLASSKIT_ACC_PROTECTED</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     PHP 5 specific flag to <A
HREF="function.classkit-method-add.html"
><B
CLASS="function"
>classkit_method_add()</B
></A
>
     Only defined when classkit compatibility is enabled.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>CLASSKIT_ACC_PRIVATE</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     PHP 5 specific flag to <A
HREF="function.classkit-method-add.html"
><B
CLASS="function"
>classkit_method_add()</B
></A
>
     Only defined when classkit compatibility is enabled.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>CLASSKIT_AGGREGATE_OVERRIDE</B
></TT
>
     (<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>)</DT
><DD
><P
>&#13;     PHP 5 specific flag to <A
HREF="function.classkit-import.html"
><B
CLASS="function"
>classkit_import()</B
></A
>
     Only defined when classkit compatibility is enabled.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>RUNKIT_VERSION</B
></TT
>
     (<A
HREF="language.types.string.html"
><B
CLASS="type"
>string</B
></A
>)</DT
><DD
><P
>&#13;     Defined to the current version of the runkit package.
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>CLASSKIT_VERSION</B
></TT
>
     (<A
HREF="language.types.string.html"
><B
CLASS="type"
>string</B
></A
>)</DT
><DD
><P
>&#13;     Defined to the current version of the runkit package.
     Only defined when classkit compatibility is enabled.
    </P
></DD
></DL
></DIV
></DIV
></DIV
><DIV
CLASS="TOC"
><DL
><DT
><B
>目录</B
></DT
><DT
><A
HREF="runkit.sandbox.html"
>Runkit_Sandbox</A
>&nbsp;--&nbsp;
   Runkit Sandbox Class -- PHP Virtual Machine
  </DT
><DT
><A
HREF="runkit.sandbox-parent.html"
>Runkit_Sandbox_Parent</A
>&nbsp;--&nbsp;
   Runkit Anti-Sandbox Class
  </DT
><DT
><A
HREF="function.runkit-class-adopt.html"
>runkit_class_adopt</A
>&nbsp;--&nbsp;
   Convert a base class to an inherited class, add ancestral methods when appropriate
  </DT
><DT
><A
HREF="function.runkit-class-emancipate.html"
>runkit_class_emancipate</A
>&nbsp;--&nbsp;
   Convert an inherited class to a base class, removes any method whose scope is ancestral
  </DT
><DT
><A
HREF="function.runkit-constant-add.html"
>runkit_constant_add</A
>&nbsp;--&nbsp;
   Similar to define(), but allows defining in class definitions as well
  </DT
><DT
><A
HREF="function.runkit-constant-redefine.html"
>runkit_constant_redefine</A
>&nbsp;--&nbsp;
   Redefine an already defined constant
  </DT
><DT
><A
HREF="function.runkit-constant-remove.html"
>runkit_constant_remove</A
>&nbsp;--&nbsp;
   Remove/Delete an already defined constant
  </DT
><DT
><A
HREF="function.runkit-function-add.html"
>runkit_function_add</A
>&nbsp;--&nbsp;
   Add a new function, similar to <A
HREF="function.create-function.html"
><B
CLASS="function"
>create_function()</B
></A
>
  </DT
><DT
><A
HREF="function.runkit-function-copy.html"
>runkit_function_copy</A
>&nbsp;--&nbsp;
   Copy a function to a new function name
  </DT
><DT
><A
HREF="function.runkit-function-redefine.html"
>runkit_function_redefine</A
>&nbsp;--&nbsp;
   Replace a function definition with a new implementation
  </DT
><DT
><A
HREF="function.runkit-function-remove.html"
>runkit_function_remove</A
>&nbsp;--&nbsp;
   Remove a function definition
  </DT
><DT
><A
HREF="function.runkit-function-rename.html"
>runkit_function_rename</A
>&nbsp;--&nbsp;
   Change a function's name
  </DT
><DT
><A
HREF="function.runkit-import.html"
>runkit_import</A
>&nbsp;--&nbsp;
   Process a PHP file importing function and class definitions, overwriting where appropriate
  </DT
><DT
><A
HREF="function.runkit-lint-file.html"
>runkit_lint_file</A
>&nbsp;--&nbsp;
   Check the PHP syntax of the specified file
  </DT
><DT
><A
HREF="function.runkit-lint.html"
>runkit_lint</A
>&nbsp;--&nbsp;
   Check the PHP syntax of the specified php code
  </DT
><DT
><A
HREF="function.runkit-method-add.html"
>runkit_method_add</A
>&nbsp;--&nbsp;Dynamically adds a new method to a given class</DT
><DT
><A
HREF="function.runkit-method-copy.html"
>runkit_method_copy</A
>&nbsp;--&nbsp;Copies a method from class to another</DT
><DT
><A
HREF="function.runkit-method-redefine.html"
>runkit_method_redefine</A
>&nbsp;--&nbsp;Dynamically changes the code of the given method</DT
><DT
><A
HREF="function.runkit-method-remove.html"
>runkit_method_remove</A
>&nbsp;--&nbsp;Dynamically removes the given method</DT
><DT
><A
HREF="function.runkit-method-rename.html"
>runkit_method_rename</A
>&nbsp;--&nbsp;Dynamically changes the name of the given method</DT
><DT
><A
HREF="function.runkit-return-value-used.html"
>runkit_return_value_used</A
>&nbsp;--&nbsp;Determines if the current functions return value will be used</DT
><DT
><A
HREF="function.runkit-sandbox-output-handler.html"
>runkit_sandbox_output_handler</A
>&nbsp;--&nbsp;
   Specify a function to capture and/or process output from a runkit sandbox
  </DT
><DT
><A
HREF="function.runkit-superglobals.html"
>runkit_superglobals</A
>&nbsp;--&nbsp;
   Return numerically indexed array of registered superglobals
  </DT
></DL
></DIV
></DIV
></DIV
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