function.maxdb-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 the current row of a result set as an object</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.maxdb-fetch-lengths.html">maxdb_fetch_lengths</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.maxdb-fetch-row.html">maxdb_fetch_row</a></div> <div class="up"><a href="ref.maxdb.html">MaxDB Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.maxdb-fetch-object" class="refentry"> <div class="refnamediv"> <h1 class="refname">maxdb_fetch_object</h1> <h1 class="refname">result->fetch_object</h1> <p class="verinfo">(PECL maxdb:1.0-7.6.00.38)</p><p class="refpurpose"><span class="refname">maxdb_fetch_object</span> -- <span class="refname">result->fetch_object</span> — <span class="dc-title">Returns the current row of a result set as an object</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <p class="para">Procedural style:</p> <div class="methodsynopsis dc-description"> <span class="type">object</span> <span class="methodname"><b><b>maxdb_fetch_object</b></b></span> ( <span class="methodparam"><span class="type">object</span> <tt class="parameter">$result</tt></span> )</div> <p class="para rdfs-comment">Object oriented style (method):</p> <div class="classsynopsis"> <div class="ooclass"><b class="classname">result</b></div> <div class="methodsynopsis dc-description"> <span class="type">object</span> <span class="methodname"><b><b>fetch_object</b></b></span> ( <span class="methodparam">void</span> )</div> </div> <p class="para"> The <b>maxdb_fetch_object()</b> will return the current row result set as an object where the attributes of the object represent the names of the fields found within the result set. If no more rows exist in the current result set, <b><tt>NULL</tt></b> is returned. </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an object that corresponds to the fetched row or <b><tt>NULL</tt></b> if there are no more rows in resultset. </p> <blockquote><p><b class="note">Note</b>: <span class="simpara">Field names returned by this functionare <em class="emphasis">case-sensitive</em>.</span></p></blockquote> <blockquote><p><b class="note">Note</b>: <span class="simpara">This function sets NULL fields tothe PHP <b><tt>NULL</tt></b> value.</span></p></blockquote> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <div class="example"> <p><b>Example #1 Object oriented style</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$maxdb </span><span style="color: #007700">= new </span><span style="color: #0000BB">maxdb</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"MONA"</span><span style="color: #007700">, </span><span style="color: #DD0000">"RED"</span><span style="color: #007700">, </span><span style="color: #DD0000">"DEMODB"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* check connection */<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">maxdb_connect_errno</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect failed: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">maxdb_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT name, state FROM hotel.city ORDER by zip"</span><span style="color: #007700">;<br /><br />if (</span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-></span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">)) {<br /><br /> </span><span style="color: #FF8000">/* fetch object array */<br /> </span><span style="color: #007700">while (</span><span style="color: #0000BB">$obj </span><span style="color: #007700">= </span><span style="color: #0000BB">$result</span><span style="color: #007700">-></span><span style="color: #0000BB">fetch_object</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">printf </span><span style="color: #007700">(</span><span style="color: #DD0000">"%s (%s)\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$obj</span><span style="color: #007700">-></span><span style="color: #0000BB">NAME</span><span style="color: #007700">, </span><span style="color: #0000BB">$obj</span><span style="color: #007700">-></span><span style="color: #0000BB">STATE</span><span style="color: #007700">);<br /> }<br /><br /> </span><span style="color: #FF8000">/* free result set */<br /> </span><span style="color: #0000BB">$result</span><span style="color: #007700">-></span><span style="color: #0000BB">close</span><span style="color: #007700">();<br />}<br /><br /></span><span style="color: #FF8000">/* close connection */<br /></span><span style="color: #0000BB">$maxdb</span><span style="color: #007700">-></span><span style="color: #0000BB">close</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> <div class="example"> <p><b>Example #2 Procedural style</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$link </span><span style="color: #007700">= </span><span style="color: #0000BB">maxdb_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"MONA"</span><span style="color: #007700">, </span><span style="color: #DD0000">"RED"</span><span style="color: #007700">, </span><span style="color: #DD0000">"DEMODB"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* check connection */<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">maxdb_connect_errno</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect failed: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">maxdb_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT name, state FROM hotel.city ORDER by zip"</span><span style="color: #007700">;<br /><br />if (</span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">maxdb_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$query</span><span style="color: #007700">)) {<br /><br /> </span><span style="color: #FF8000">/* fetch object array */<br /> </span><span style="color: #007700">while (</span><span style="color: #0000BB">$obj </span><span style="color: #007700">= </span><span style="color: #0000BB">maxdb_fetch_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">printf </span><span style="color: #007700">(</span><span style="color: #DD0000">"%s (%s)\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$obj</span><span style="color: #007700">-></span><span style="color: #0000BB">NAME</span><span style="color: #007700">, </span><span style="color: #0000BB">$obj</span><span style="color: #007700">-></span><span style="color: #0000BB">STATE</span><span style="color: #007700">);<br /> }<br /><br /> </span><span style="color: #FF8000">/* free result set */<br /> </span><span style="color: #0000BB">maxdb_free_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">/* close connection */<br /></span><span style="color: #0000BB">maxdb_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> <p class="para">The above example will output something similar to:</p> <div class="example-contents"><pre><div class="cdata"><pre>New York (NY)New York (NY)Long Island (NY)Albany (NY)Washington (DC)Washington (DC)Washington (DC)Silver Spring (MD)Daytona Beach (FL)Deerfield Beach (FL)Clearwater (FL)Cincinnati (OH)Detroit (MI)Rosemont (IL)Chicago (IL)Chicago (IL)New Orleans (LA)Dallas (TX)Los Angeles (CA)Hollywood (CA)Long Beach (CA)Palm Springs (CA)Irvine (CA)Santa Clara (CA)Portland (OR)</pre></div> </pre></div> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.maxdb-fetch-array.html" class="function" rel="rdfs-seeAlso">maxdb_fetch_array()</a></li> <li class="member"><a href="function.maxdb-fetch-assoc.html" class="function" rel="rdfs-seeAlso">maxdb_fetch_assoc()</a></li> <li class="member"><a href="function.maxdb-fetch-row.html" class="function" rel="rdfs-seeAlso">maxdb_fetch_row()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.maxdb-fetch-lengths.html">maxdb_fetch_lengths</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.maxdb-fetch-row.html">maxdb_fetch_row</a></div> <div class="up"><a href="ref.maxdb.html">MaxDB 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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