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<title>Getting a Database</title>
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<h2 class="title">Getting a Database</h2>
<p class="para">
To select a database, use:
</p>
<div class="example" id="mongo.tutorial.selectdb-example">
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$connection </span><span style="color: #007700">= new </span><span style="color: #0000BB">MongoClient</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$db </span><span style="color: #007700">= </span><span style="color: #0000BB">$connection</span><span style="color: #007700">-></span><span style="color: #0000BB">dbname</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
<p class="para">
The database does not need to be created in advance, you can create new
databases by selecting them.
</p>
<p class="para">
Be careful of typos! You can inadvertently create a new database, which can
cause confusing errors (here <em>name</em> is misspelled as
<em>anme</em> in the second selection:
<div class="example" id="mongo.tutorial.selectdb.typo">
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$connection </span><span style="color: #007700">= new </span><span style="color: #0000BB">MongoClient</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$db </span><span style="color: #007700">= </span><span style="color: #0000BB">$connection</span><span style="color: #007700">-></span><span style="color: #0000BB">mybiglongdbname</span><span style="color: #007700">;<br /></span><span style="color: #FF8000">// do some stuff<br /><br /></span><span style="color: #0000BB">$db </span><span style="color: #007700">= </span><span style="color: #0000BB">$connection</span><span style="color: #007700">-></span><span style="color: #0000BB">mybiglongdbanme</span><span style="color: #007700">;<br /></span><span style="color: #FF8000">// now connected to a different database!<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
<div class="section" id="mongo.tutorial.selectdb.seealso">
<h2 class="title">See Also</h2>
<p class="para">
The API documentation on the <a href="class.mongodb.html" class="classname">MongoDB</a> class contains
more information about database objects.
</p>
</div>
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