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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>Connecting to MySQL databases</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="ref.pdo-mysql.html">MySQL (PDO)</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.pdo-oci.html">Oracle (PDO)</a></div> <div class="up"><a href="ref.pdo-mysql.html">MySQL (PDO)</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="ref.pdo-mysql.connection" class="refentry"> <div class="refnamediv"> <h1 class="refname">PDO_MYSQL DSN</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">PDO_MYSQL DSN</span> — <span class="dc-title">Connecting to MySQL databases</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <p class="para"> The PDO_MYSQL Data Source Name (DSN) is composed of the following elements: <dl> <dt> <span class="term">DSN prefix</span> <dd> <p class="para"> The DSN prefix is <strong class="userinput"><code>mysql:</code></strong>. </p> </dd> </dt> <dt> <span class="term"><b><tt>host</tt></b></span> <dd> <p class="para"> The hostname on which the database server resides. </p> </dd> </dt> <dt> <span class="term"><b><tt>port</tt></b></span> <dd> <p class="para"> The port number where the database server is listening. </p> </dd> </dt> <dt> <span class="term"><b><tt>dbname</tt></b></span> <dd> <p class="para"> The name of the database. </p> </dd> </dt> <dt> <span class="term"><b><tt>unix_socket</tt></b></span> <dd> <p class="para"> The MySQL Unix socket (shouldn't be used with <i>host</i> or <i>port</i>). </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 PDO_MYSQL DSN examples</b></p> <div class="example-contents"><p> The following example shows a PDO_MYSQL DSN for connecting to MySQL databases: <div class="example-contents"><div class="cdata"><pre>mysql:host=localhost;dbname=testdb</pre></div> </div> More complete examples: <div class="example-contents"><div class="cdata"><pre>mysql:host=localhost;port=3307;dbname=testdbmysql:unix_socket=/tmp/mysql.sock;dbname=testdb</pre></div> </div> </p></div> </div> </p> </div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.pdo-mysql.html">MySQL (PDO)</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.pdo-oci.html">Oracle (PDO)</a></div> <div class="up"><a href="ref.pdo-mysql.html">MySQL (PDO)</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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