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<title>Retrieves information about the most recently executed query</title>
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<h1 class="refname">mysqli::$info</h1>
<h1 class="refname">mysqli_info</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">mysqli::$info</span> -- <span class="refname">mysqli_info</span> — <span class="dc-title">Retrieves information about the most recently executed query</span></p>
</div>
<div class="refsect1 description" id="refsect1-mysqli.info-description">
<h3 class="title">Description</h3>
<p class="para">Object oriented style</p>
<div class="fieldsynopsis"><span class="type">string</span> <var class="varname"><a href="mysqli.info.html">$mysqli->info</a></var>;</div>
<p class="para">Procedural style</p>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>mysqli_info</strong></span>
( <span class="methodparam"><span class="type"><a href="class.mysqli.html" class="type mysqli">mysqli</a></span> <code class="parameter">$link</code></span>
)</div>
<p class="para rdfs-comment">
The <span class="function"><strong>mysqli_info()</strong></span> function returns a string providing
information about the last query executed. The nature of this string is
provided below:
</p>
<p class="para">
<table class="doctable table">
<caption><strong>Possible mysqli_info return values</strong></caption>
<thead>
<tr>
<th>Query type</th>
<th>Example result string</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>INSERT INTO...SELECT...</td>
<td>Records: 100 Duplicates: 0 Warnings: 0</td>
</tr>
<tr>
<td>INSERT INTO...VALUES (...),(...),(...)</td>
<td>Records: 3 Duplicates: 0 Warnings: 0</td>
</tr>
<tr>
<td>LOAD DATA INFILE ...</td>
<td>Records: 1 Deleted: 0 Skipped: 0 Warnings: 0</td>
</tr>
<tr>
<td>ALTER TABLE ...</td>
<td>Records: 3 Duplicates: 0 Warnings: 0</td>
</tr>
<tr>
<td>UPDATE ...</td>
<td>Rows matched: 40 Changed: 40 Warnings: 0</td>
</tr>
</tbody>
</table>
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
Queries which do not fall into one of the preceding formats are not supported.
In these situations, <span class="function"><strong>mysqli_info()</strong></span> will return an empty string.
</p>
</p></blockquote>
</div>
<div class="refsect1 parameters" id="refsect1-mysqli.info-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">
link</code></em></span><dd>
<p class="para">Procedural style only: A link identifier
returned by <span class="function"><a href="function.mysqli-connect.html" class="function">mysqli_connect()</a></span> or <span class="function"><a href="mysqli.init.html" class="function">mysqli_init()</a></span>
</p></dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-mysqli.info-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
A character string representing additional information about the most recently executed query.
</p>
</div>
<div class="refsect1 examples" id="refsect1-mysqli.info-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-1671">
<p><strong>Example #1 <var class="varname"><var class="varname">$mysqli->info</var></var> example</strong></p>
<div class="example-contents"><p>Object oriented style</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$mysqli </span><span style="color: #007700">= new </span><span style="color: #0000BB">mysqli</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_user"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_password"</span><span style="color: #007700">, </span><span style="color: #DD0000">"world"</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">mysqli_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">mysqli_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #0000BB">$mysqli</span><span style="color: #007700">-></span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE TEMPORARY TABLE t1 LIKE City"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* INSERT INTO .. SELECT */<br /></span><span style="color: #0000BB">$mysqli</span><span style="color: #007700">-></span><span style="color: #0000BB">query</span><span style="color: #007700">(</span><span style="color: #DD0000">"INSERT INTO t1 SELECT * FROM City ORDER BY ID LIMIT 150"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$mysqli</span><span style="color: #007700">-></span><span style="color: #0000BB">info</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* close connection */<br /></span><span style="color: #0000BB">$mysqli</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 class="example-contents"><p>Procedural style</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$link </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_user"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_password"</span><span style="color: #007700">, </span><span style="color: #DD0000">"world"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* check connection */<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">mysqli_connect_errno</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect failed: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">mysqli_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #0000BB">mysqli_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #DD0000">"CREATE TEMPORARY TABLE t1 LIKE City"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* INSERT INTO .. SELECT */<br /></span><span style="color: #0000BB">mysqli_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #DD0000">"INSERT INTO t1 SELECT * FROM City ORDER BY ID LIMIT 150"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">mysqli_info</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">/* close connection */<br /></span><span style="color: #0000BB">mysqli_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 class="example-contents"><p>The above examples will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Records: 150 Duplicates: 0 Warnings: 0
</pre></div>
</div>
</div>
</div>
<div class="refsect1 seealso" id="refsect1-mysqli.info-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="mysqli.affected-rows.html" class="function" rel="rdfs-seeAlso">mysqli_affected_rows()</a> - Gets the number of affected rows in a previous MySQL operation</span></li>
<li class="member"> <span class="function"><a href="mysqli.warning-count.html" class="function" rel="rdfs-seeAlso">mysqli_warning_count()</a> - Returns the number of warnings from the last query for the given link</span></li>
<li class="member"> <span class="function"><a href="mysqli-result.num-rows.html" class="function" rel="rdfs-seeAlso">mysqli_num_rows()</a> - Gets the number of rows in a result</span></li>
</ul>
</p>
</div>
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