function.db2-fetch-object.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns an object with properties representing columns in the fetched row</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.db2-fetch-both.html">db2_fetch_both</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.db2-fetch-row.html">db2_fetch_row</a></div> <div class="up"><a href="ref.ibm-db2.html">IBM DB2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.db2-fetch-object" class="refentry"> <div class="refnamediv"> <h1 class="refname">db2_fetch_object</h1> <p class="verinfo">(PECL ibm_db2:1.0-1.6.2)</p><p class="refpurpose"><span class="refname">db2_fetch_object</span> — <span class="dc-title"> Returns an object with properties representing columns in the fetched row </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">object</span> <span class="methodname"><b><b>db2_fetch_object</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$stmt</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$row_number</tt></span> ] )</div> <p class="para rdfs-comment"> Returns an object in which each property represents a column returned in the row fetched from a result set. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">stmt</tt></i></span> <dd> <p class="para"> A valid <i>stmt</i> resource containing a result set. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">row_number</tt></i></span> <dd> <p class="para"> Requests a specific 1-indexed row from the result set. Passing this parameter results in a PHP warning if the result set uses a forward-only cursor. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an object representing a single row in the result set. The properties of the object map to the names of the columns in the result set. </p> <p class="para"> The IBM DB2, Cloudscape, and Apache Derby database servers typically fold column names to upper-case, so the object properties will reflect that case. </p> <p class="para"> If your SELECT statement calls a scalar function to modify the value of a column, the database servers return the column number as the name of the column in the result set. If you prefer a more descriptive column name and object property, you can use the AS clause to assign a name to the column in the result set. </p> <p class="para"> Returns <b><tt>FALSE</tt></b> if no row was retrieved. </p> </div><div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A <b>db2_fetch_object()</b> example</b></p> <div class="example-contents"><p> The following example issues a SELECT statement with a scalar function, RTRIM, that removes whitespace from the end of the column. Rather than creating an object with the properties "BREED" and "2", we use the AS clause in the SELECT statement to assign the name "name" to the modified column. The database server folds the column names to upper-case, resulting in an object with the properties "BREED" and "NAME". </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$database</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$password</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT breed, RTRIM(name) AS name<br /> FROM animals<br /> WHERE id = ?"</span><span style="color: #007700">;<br /><br />if (</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_prepare</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">db2_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, array(</span><span style="color: #0000BB">0</span><span style="color: #007700">));<br /><br /> while (</span><span style="color: #0000BB">$pet </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"Come here, {$pet->NAME}, my little {$pet->BREED}!"</span><span style="color: #007700">;<br /> }<br /> </span><span style="color: #0000BB">db2_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>Come here, Pook, my little cat!</pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.db2-fetch-array.html" class="function" rel="rdfs-seeAlso">db2_fetch_array()</a></li> <li class="member"><a href="function.db2-fetch-assoc.html" class="function" rel="rdfs-seeAlso">db2_fetch_assoc()</a></li> <li class="member"><a href="function.db2-fetch-both.html" class="function" rel="rdfs-seeAlso">db2_fetch_both()</a></li> <li class="member"><a href="function.db2-fetch-row.html" class="function" rel="rdfs-seeAlso">db2_fetch_row()</a></li> <li class="member"><a href="function.db2-result.html" class="function" rel="rdfs-seeAlso">db2_result()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.db2-fetch-both.html">db2_fetch_both</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.db2-fetch-row.html">db2_fetch_row</a></div> <div class="up"><a href="ref.ibm-db2.html">IBM DB2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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