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

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>db2_escape_string</H1
><DIV
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NAME="AEN80458"
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><P
>    (no version information, might be only in CVS)</P
>db2_escape_string&nbsp;--&nbsp;
   Used to escape certain characters.
  </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN80461"
></A
><H2
>说明</H2
>string <B
CLASS="methodname"
>db2_escape_string</B
> ( string string_literal )<BR
></BR
><P
>&#13;   Prepends backslashes to special characters in the string argument.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN80470"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>string_literal</CODE
></DT
><DD
><P
>&#13;       The string that contains special characters that need to be modified. 
       Characters that are prepended with a backslash are <TT
CLASS="literal"
>\x00</TT
>, 
       <TT
CLASS="literal"
>\n</TT
>, <TT
CLASS="literal"
>\r</TT
>, <TT
CLASS="literal"
>\</TT
>, 
       <TT
CLASS="literal"
>'</TT
>, <TT
CLASS="literal"
>"</TT
> and <TT
CLASS="literal"
>\x1a</TT
>.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN80486"
></A
><H2
>返回值</H2
><P
>&#13;   Returns <CODE
CLASS="parameter"
>string_literal</CODE
> with the special characters 
   noted above prepended with backslashes.
  </P
></DIV
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CLASS="refsect1"
><A
NAME="AEN80490"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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><A
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></A
><P
><B
>例 1. A <B
CLASS="function"
>db2_escape_string()</B
> example</B
></P
><P
>&#13;     Result of using the <B
CLASS="function"
>db2_escape_string()</B
> function
    </P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br />$conn </font><font color="#007700">= </font><font color="#0000BB">db2_connect</font><font color="#007700">(</font><font color="#0000BB">$database</font><font color="#007700">, </font><font color="#0000BB">$user</font><font color="#007700">, </font><font color="#0000BB">$password</font><font color="#007700">);<br /><br />if (</font><font color="#0000BB">$conn</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$str</font><font color="#007700">[</font><font color="#0000BB">0</font><font color="#007700">] = </font><font color="#DD0000">"All characters: \x00 , \n , \r , \ , ' , \" , \x1a ."</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$str</font><font color="#007700">[</font><font color="#0000BB">1</font><font color="#007700">] = </font><font color="#DD0000">"Backslash (\). Single quote ('). Double quote (\")"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$str</font><font color="#007700">[</font><font color="#0000BB">2</font><font color="#007700">] = </font><font color="#DD0000">"The NULL character \0 must be quoted as well"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$str</font><font color="#007700">[</font><font color="#0000BB">3</font><font color="#007700">] = </font><font color="#DD0000">"Intersting characters: \x1a , \x00 ."</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$str</font><font color="#007700">[</font><font color="#0000BB">4</font><font color="#007700">] = </font><font color="#DD0000">"Nothing to quote"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$str</font><font color="#007700">[</font><font color="#0000BB">5</font><font color="#007700">] = </font><font color="#0000BB">200676</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">$str</font><font color="#007700">[</font><font color="#0000BB">6</font><font color="#007700">] = </font><font color="#DD0000">""</font><font color="#007700">;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;foreach( </font><font color="#0000BB">$str </font><font color="#007700">as </font><font color="#0000BB">$string </font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"db2_escape_string: " </font><font color="#007700">. </font><font color="#0000BB">db2_escape_string</font><font color="#007700">(</font><font color="#0000BB">$string</font><font color="#007700">). </font><font color="#DD0000">"\n"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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><P
>上例将输出：</P
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>db2_escape_string: All characters: \0 , \n , \r , \\ , \' , \" , \Z .
db2_escape_string: Backslash (\\). Single quote (\'). Double quote (\")
db2_escape_string: The NULL character \0 must be quoted as well
db2_escape_string: Intersting characters: \Z , \0 .
db2_escape_string: Nothing to quote
db2_escape_string: 200676
db2_escape_string:</PRE
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>
  </P
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><A
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></A
><H2
>参见</H2
><P
>&#13;   <P
></P
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><A
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><B
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>db2_prepare()</B
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