<!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>Adding Multiple Documents</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mongo.tutorial.findone.html">Finding Documents using MongoCollection::findOne</a></div> <div class="next" style="text-align: right; float: right;"><a href="mongo.tutorial.counting.html">Counting Documents in A Collection</a></div> <div class="up"><a href="mongo.tutorial.html">Tutorial</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="mongo.tutorial.insert.multiple" class="section"> <h2 class="title">Adding Multiple Documents</h2> <p class="para"> In order to do more interesting things with queries, let's add multiple simple documents to the collection. These documents will just be of the form <em>array( "i" => <span class="replaceable">value</span> );</em> and we can do this fairly efficiently in a loop: </p> <div class="example" id="mongo.tutorial.insert.multiple-example"> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$connection </span><span style="color: #007700">= new </span><span style="color: #0000BB">MongoClient</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$collection </span><span style="color: #007700">= </span><span style="color: #0000BB">$connection</span><span style="color: #007700">-></span><span style="color: #0000BB">database</span><span style="color: #007700">-></span><span style="color: #0000BB">collectionName</span><span style="color: #007700">;<br /><br />for ( </span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">; </span><span style="color: #0000BB">$i </span><span style="color: #007700">< </span><span style="color: #0000BB">100</span><span style="color: #007700">; </span><span style="color: #0000BB">$i</span><span style="color: #007700">++ )<br />{<br /> </span><span style="color: #0000BB">$collection</span><span style="color: #007700">-></span><span style="color: #0000BB">insert</span><span style="color: #007700">( array( </span><span style="color: #DD0000">'i' </span><span style="color: #007700">=> </span><span style="color: #0000BB">$i</span><span style="color: #007700">, </span><span style="color: #DD0000">"field</span><span style="color: #007700">{</span><span style="color: #0000BB">$i</span><span style="color: #007700">}</span><span style="color: #DD0000">" </span><span style="color: #007700">=> </span><span style="color: #0000BB">$i </span><span style="color: #007700">* </span><span style="color: #0000BB">2 </span><span style="color: #007700">) );<br />}<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> <p class="para"> Notice that we can insert arrays with different keys into the same collection. This aspect is what we mean when we say that MongoDB is "schema-free". In the example above each document has an <em>i</em> field, but also a field name in the form of <em>field</em> + <em>$i</em>. </p> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mongo.tutorial.findone.html">Finding Documents using MongoCollection::findOne</a></div> <div class="next" style="text-align: right; float: right;"><a href="mongo.tutorial.counting.html">Counting Documents in A Collection</a></div> <div class="up"><a href="mongo.tutorial.html">Tutorial</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>