Sophie: php-manual-zh-5.2.4-1mdv2008.1 noarch

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

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><H1
><A
NAME="function.exit"
></A
>exit</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN125412"
></A
><P
>    (PHP 3, PHP 4, PHP 5)</P
>exit&nbsp;--&nbsp;Output a message and terminate the current script</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN125415"
></A
><H2
>说明</H2
>void <B
CLASS="methodname"
>exit</B
> ( [string status] )<BR
></BR
>void <B
CLASS="methodname"
>exit</B
> ( int status )<BR
></BR
><P
>&#13;   Terminates execution of the script.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN125430"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>status</CODE
></DT
><DD
><P
>&#13;       If <CODE
CLASS="parameter"
>status</CODE
> is a string, this function prints the
       <CODE
CLASS="parameter"
>status</CODE
>, if set as a string just before exiting.
      </P
><P
>&#13;       If <CODE
CLASS="parameter"
>status</CODE
> is an <A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>, that
       value will also be used as the exit status. Exit statuses should be in
       the range 0 to 254, the exit status 255 is reserved by PHP and shall
       not be used. The status 0 is used to terminate the program
       successfully.
      </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
        PHP &#62;= 4.2.0 does NOT print the <CODE
CLASS="parameter"
>status</CODE
>
        if it is an <A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>.
       </P
></BLOCKQUOTE
></DIV
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN125448"
></A
><H2
>返回值</H2
><P
>&#13;   无返回值。
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN125451"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN125454"
></A
><P
><B
>例 1. <B
CLASS="function"
>exit()</B
> example</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br />$filename </font><font color="#007700">= </font><font color="#DD0000">'/path/to/data-file'</font><font color="#007700">;<br /></font><font color="#0000BB">$file </font><font color="#007700">= </font><font color="#0000BB">fopen</font><font color="#007700">(</font><font color="#0000BB">$filename</font><font color="#007700">, </font><font color="#DD0000">'r'</font><font color="#007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;or exit(</font><font color="#DD0000">"unable to open file ($filename)"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
  </P
><P
>&#13;   <TABLE
WIDTH="100%"
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN125459"
></A
><P
><B
>例 2. <B
CLASS="function"
>exit()</B
> status example</B
></P
><TABLE
BORDER="0"
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><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br /></font><font color="#FF8000">//exit program normally<br /></font><font color="#007700">exit;<br />exit();<br />exit(</font><font color="#0000BB">0</font><font color="#007700">);<br /><br /></font><font color="#FF8000">//exit with an error code<br /></font><font color="#007700">exit(</font><font color="#0000BB">1</font><font color="#007700">);<br />exit(</font><font color="#0000BB">0376</font><font color="#007700">); </font><font color="#FF8000">//octal<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN125463"
></A
><H2
>注释</H2
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>由于这是一个语言结构而非函数，因此它无法被<A
HREF="functions.variable-functions.html"
>变量函数</A
>调用。</P
></BLOCKQUOTE
></DIV
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
    This language construct is equivalent to <A
HREF="function.die.html"
><B
CLASS="function"
>die()</B
></A
>.
   </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN125471"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
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><TD
><A
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><B
CLASS="function"
>register_shutdown_function()</B
></A
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></P
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