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

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>mysqli_report</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN141006"
></A
><P
>    (PHP 5)</P
>mysqli_report&nbsp;--&nbsp;Enables or disables internal report functions</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN141009"
></A
><H2
>说明</H2
>bool <B
CLASS="methodname"
>mysqli_report</B
> ( int flags )<BR
></BR
><P
>&#13;   <B
CLASS="function"
>mysqli_report()</B
> is a powerful function to improve your queries
   and code during development and testing phase. Depending on the flags it reports
   errors from mysqli function calls or queries which don't use an index (or use a bad
   index).
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN141019"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>flags</CODE
></DT
><DD
><P
>&#13;       <DIV
CLASS="table"
><A
NAME="AEN141028"
></A
><P
><B
>表 1. Supported flags</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><THEAD
><TR
><TH
>Name</TH
><TH
>Description</TH
></TR
></THEAD
><TBODY
><TR
><TD
><TT
CLASS="constant"
><B
>MYSQLI_REPORT_OFF</B
></TT
></TD
><TD
>Turns reporting off</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>MYSQLI_REPORT_ERROR</B
></TT
></TD
><TD
>Report errors from mysqli function calls</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>MYSQLI_REPORT_STRICT</B
></TT
></TD
><TD
>Report warnings from mysqli function calls</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>MYSQLI_REPORT_INDEX</B
></TT
></TD
><TD
>Report if no index or bad index was used in a query</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>MYSQLI_REPORT_ALL</B
></TT
></TD
><TD
>Set all options (report all)</TD
></TR
></TBODY
></TABLE
></DIV
>
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN141056"
></A
><H2
>返回值</H2
><P
>&#13;   如果成功则返回 <TT
CLASS="constant"
><B
>TRUE</B
></TT
>，失败则返回 <TT
CLASS="constant"
><B
>FALSE</B
></TT
>。
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN141061"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
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><A
NAME="AEN141064"
></A
><P
><B
>例 1. Object oriented style</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">/* activate reporting */<br /></font><font color="#0000BB">mysqli_report</font><font color="#007700">(</font><font color="#0000BB">MYSQLI_REPORT_ALL</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$mysqli </font><font color="#007700">= new </font><font color="#0000BB">mysqli</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"my_user"</font><font color="#007700">, </font><font color="#DD0000">"my_password"</font><font color="#007700">, </font><font color="#DD0000">"world"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* check connection */<br /></font><font color="#007700">if (</font><font color="#0000BB">mysqli_connect_errno</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Connect failed: %s\n"</font><font color="#007700">, </font><font color="#0000BB">mysqli_connect_error</font><font color="#007700">());<br />&nbsp;&nbsp;&nbsp;&nbsp;exit();<br />}<br /><br /></font><font color="#FF8000">/* this query should report an error */<br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"SELECT Name FROM Nonexistingtable WHERE population &gt; 50000"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">/* this query should report a warning */<br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">query</font><font color="#007700">(</font><font color="#DD0000">"SELECT Name FROM City WHERE population &gt; 50000"</font><font color="#007700">);<br /></font><font color="#0000BB">$result</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br /><br /></font><font color="#0000BB">$mysqli</font><font color="#007700">-&gt;</font><font color="#0000BB">close</font><font color="#007700">();<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN141067"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
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><A
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>mysqli_debug()</B
></A
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><TD
><A
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><B
CLASS="function"
>mysqli_dump_debug_info()</B
></A
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