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108 lines
8.6 KiB
HTML
108 lines
8.6 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Get row as an associative array</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.ifx-fetch-row" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ifx_fetch_row</h1>
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<p class="verinfo">(PHP 4, PHP 5 < 5.2.1)</p><p class="refpurpose"><span class="refname">ifx_fetch_row</span> — <span class="dc-title">Get row as an associative array</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ifx-fetch-row-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>ifx_fetch_row</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result_id</code></span>
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[, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$position</code></span>
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] ) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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Fetches one row of data from the result associated with the specified
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result identifier.
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</p>
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<p class="para">
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Subsequent calls to <span class="function"><strong>ifx_fetch_row()</strong></span> would return the
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next row in the result set, or <strong><code>FALSE</code></strong> if there are no more rows.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.ifx-fetch-row-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">result_id</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">result_id</code> is a valid resultid returned by
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<span class="function"><a href="ifx_query.html" class="function">ifx_query()</a></span> or
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<span class="function"><a href="ifx_prepare.html" class="function">ifx_prepare()</a></span> (select type queries only!).
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</p>
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</dd>
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<dt>
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<code class="parameter">position</code></dt>
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<dd>
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<p class="para">
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An optional parameter for a "fetch" operation on "scroll" cursors:
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<em>NEXT</em>, <em>PREVIOUS</em>,
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<em>CURRENT</em>, <em>FIRST</em>,
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<em>LAST</em> or a number. If you specify a number, an
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"absolute" row fetch is executed. This parameter is optional, and
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only valid for SCROLL cursors.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.ifx-fetch-row-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns an associative array that corresponds to the fetched row, or
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<strong><code>FALSE</code></strong> if there are no more rows.
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</p>
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<p class="para">
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Blob columns are returned as integer blob id values for use in
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<span class="function"><a href="ifx_get_blob.html" class="function">ifx_get_blob()</a></span> unless you have used
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ifx_textasvarchar(1) or ifx_byteasvarchar(1), in which case blobs
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are returned as string values.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.ifx-fetch-row-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-1287">
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<p><strong>Example #1 Informix fetch rows</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$rid </span><span style="color: #007700">= </span><span style="color: #0000BB">ifx_prepare </span><span style="color: #007700">(</span><span style="color: #DD0000">"select * from emp where name like " </span><span style="color: #007700">. </span><span style="color: #0000BB">$name</span><span style="color: #007700">,<br /> </span><span style="color: #0000BB">$connid</span><span style="color: #007700">, </span><span style="color: #0000BB">IFX_SCROLL</span><span style="color: #007700">);<br />if (! </span><span style="color: #0000BB">$rid</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">/* ... error ... */<br /></span><span style="color: #007700">}<br /></span><span style="color: #0000BB">$rowcount </span><span style="color: #007700">= </span><span style="color: #0000BB">ifx_affected_rows</span><span style="color: #007700">(</span><span style="color: #0000BB">$rid</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$rowcount </span><span style="color: #007700">> </span><span style="color: #0000BB">1000</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">printf </span><span style="color: #007700">(</span><span style="color: #DD0000">"Too many rows in result set (%d)\n<br />"</span><span style="color: #007700">, </span><span style="color: #0000BB">$rowcount</span><span style="color: #007700">);<br /> die (</span><span style="color: #DD0000">"Please restrict your query<br />\n"</span><span style="color: #007700">);<br />}<br />if (! </span><span style="color: #0000BB">ifx_do </span><span style="color: #007700">(</span><span style="color: #0000BB">$rid</span><span style="color: #007700">)) {<br /> </span><span style="color: #FF8000">/* ... error ... */<br /></span><span style="color: #007700">}<br /></span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">ifx_fetch_row </span><span style="color: #007700">(</span><span style="color: #0000BB">$rid</span><span style="color: #007700">, </span><span style="color: #DD0000">"NEXT"</span><span style="color: #007700">);<br />while (</span><span style="color: #0000BB">is_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">)) {<br /> for (</span><span style="color: #0000BB">reset</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">); </span><span style="color: #0000BB">$fieldname</span><span style="color: #007700">=</span><span style="color: #0000BB">key</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">); </span><span style="color: #0000BB">next</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">$fieldvalue </span><span style="color: #007700">= </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">$fieldname</span><span style="color: #007700">];<br /> </span><span style="color: #0000BB">printf </span><span style="color: #007700">(</span><span style="color: #DD0000">"%s = %s,"</span><span style="color: #007700">, </span><span style="color: #0000BB">$fieldname</span><span style="color: #007700">, </span><span style="color: #0000BB">$fieldvalue</span><span style="color: #007700">);<br /> }<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"\n<br />"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">ifx_fetch_row</span><span style="color: #007700">(</span><span style="color: #0000BB">$rid</span><span style="color: #007700">, </span><span style="color: #DD0000">"NEXT"</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">ifx_free_result </span><span style="color: #007700">(</span><span style="color: #0000BB">$rid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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</div></div></div></body></html> |