<!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>Examples</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="chdb.constants.html">Predefined Constants</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.chdb.html">chdb</a></div> <div class="up"><a href="book.chdb.html">chdb</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="chdb.examples" class="chapter"> <h1>Examples</h1> <div class="example" id="example-4203"> <p><strong>Example #1 Creating a chdb file</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br />$data </span><span style="color: #007700">= array(<br /> </span><span style="color: #DD0000">'key1' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'value1'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'key2' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'value2'</span><span style="color: #007700">,<br /> </span><span style="color: #FF8000">// ...<br /></span><span style="color: #007700">);<br /></span><span style="color: #0000BB">chdb_create</span><span style="color: #007700">(</span><span style="color: #DD0000">'data.chdb'</span><span style="color: #007700">, </span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p> The above example will generate a chdb file named <em>data.chdb</em> and containing the key-value pairs defined in <var class="varname"><var class="varname">$data</var></var>. </p></div> </div> <div class="example" id="example-4204"> <p><strong>Example #2 Loading and looking up a chdb file</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br />$chdb </span><span style="color: #007700">= new </span><span style="color: #0000BB">chdb</span><span style="color: #007700">(</span><span style="color: #DD0000">'data.chdb'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$value1 </span><span style="color: #007700">= </span><span style="color: #0000BB">$chdb</span><span style="color: #007700">-></span><span style="color: #0000BB">get</span><span style="color: #007700">(</span><span style="color: #DD0000">'key1'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$value2 </span><span style="color: #007700">= </span><span style="color: #0000BB">$chdb</span><span style="color: #007700">-></span><span style="color: #0000BB">get</span><span style="color: #007700">(</span><span style="color: #DD0000">'key2'</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$value1</span><span style="color: #007700">, </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">$value2</span><span style="color: #007700">, </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> value1 value2 </pre></div> </div> </div> </div> <hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="chdb.constants.html">Predefined Constants</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.chdb.html">chdb</a></div> <div class="up"><a href="book.chdb.html">chdb</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>
