<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Retrieves information about the most recently executed query</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mysqli.get-warnings.html">mysqli::get_warnings</a></div> <div class="next" style="text-align: right; float: right;"><a href="mysqli.init.html">mysqli::init</a></div> <div class="up"><a href="class.mysqli.html">mysqli</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="mysqli.info" class="refentry"> <div class="refnamediv"> <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> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mysqli.get-warnings.html">mysqli::get_warnings</a></div> <div class="next" style="text-align: right; float: right;"><a href="mysqli.init.html">mysqli::init</a></div> <div class="up"><a href="class.mysqli.html">mysqli</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>