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

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

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>pg_fetch_row</H1
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><P
>    (PHP 3 &#62;= 3.0.1, PHP 4, PHP 5)</P
>pg_fetch_row&nbsp;--&nbsp;提取一行作为枚举数组</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN185339"
></A
><H2
>说明</H2
>array <B
CLASS="methodname"
>pg_fetch_row</B
> ( resource result, int row )<BR
></BR
><P
>&#13;     <B
CLASS="function"
>pg_fetch_row()</B
> 根据指定的 <CODE
CLASS="parameter"
>result</CODE
> 资源提取一行数据（记录）作为数组返回。每个得到的列依次存放在数组中，从偏移量 0 开始。
    </P
><P
>&#13;     返回的数组和提取的行相一致。如果没有更多行可提取，则返回 <TT
CLASS="constant"
><B
>FALSE</B
></TT
>。
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><B
>例 1. <B
CLASS="function"
>pg_fetch_row()</B
> 例子</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$conn </font><font color="#007700">= </font><font color="#0000BB">pg_pconnect</font><font color="#007700">(</font><font color="#DD0000">"dbname=publisher"</font><font color="#007700">);<br />if (!</font><font color="#0000BB">$conn</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"An error occured.\n"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;exit;<br />}<br /><br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">pg_query</font><font color="#007700">(</font><font color="#0000BB">$conn</font><font color="#007700">, </font><font color="#DD0000">"SELECT * FROM authors"</font><font color="#007700">);<br />if (!</font><font color="#0000BB">$result</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"An error occured.\n"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;exit;<br />}<br /><br />while (</font><font color="#0000BB">$row </font><font color="#007700">= </font><font color="#0000BB">pg_fetch_row</font><font color="#007700">(</font><font color="#0000BB">$result</font><font color="#007700">, </font><font color="#0000BB">$i</font><font color="#007700">)) {<br />&nbsp;&nbsp;for (</font><font color="#0000BB">$j</font><font color="#007700">=</font><font color="#0000BB">0</font><font color="#007700">; </font><font color="#0000BB">$j </font><font color="#007700">&lt; </font><font color="#0000BB">count</font><font color="#007700">(</font><font color="#0000BB">$row</font><font color="#007700">); </font><font color="#0000BB">$j</font><font color="#007700">++) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#0000BB">$row</font><font color="#007700">[</font><font color="#0000BB">$j</font><font color="#007700">] . </font><font color="#DD0000">"&amp;nbsp;"</font><font color="#007700">;<br />&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;echo </font><font color="#DD0000">"&lt;br /&gt;\n"</font><font color="#007700">;<br /><br />}<br /></font><font color="#0000BB">?&gt;</font>
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><B
>注意: </B
>
      从 4.1.0 开始，<CODE
CLASS="parameter"
>row</CODE
> 成为可选参数。每次调用 <B
CLASS="function"
>pg_fetch_row()</B
>，内部的行计数器都会加一。
     </P
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>&#13;     参见 <A
HREF="function.pg-query.html"
><B
CLASS="function"
>pg_query()</B
></A
>，<A
HREF="function.pg-fetch-array.html"
><B
CLASS="function"
>pg_fetch_array()</B
></A
>，<A
HREF="function.pg-fetch-object.html"
><B
CLASS="function"
>pg_fetch_object()</B
></A
>
     和 <A
HREF="function.pg-fetch-result.html"
><B
CLASS="function"
>pg_fetch_result()</B
></A
>。
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