<!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>Checks the validity of current item</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="tokyotyrantquery.setorder.html">TokyoTyrantQuery::setOrder</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.tokyotyrantiterator.html">TokyoTyrantIterator</a></div> <div class="up"><a href="class.tokyotyrantquery.html">TokyoTyrantQuery</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="tokyotyrantquery.valid" class="refentry"> <div class="refnamediv"> <h1 class="refname">TokyoTyrantQuery::valid</h1> <p class="verinfo">(PECL tokyo_tyrant >= 0.1.0)</p><p class="refpurpose"><span class="refname">TokyoTyrantQuery::valid</span> — <span class="dc-title">Checks the validity of current item</span></p> </div> <div class="refsect1 description" id="refsect1-tokyotyrantquery.valid-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><strong>TokyoTyrantQuery::valid</strong></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Checks if the current item is valid. Part of the Iterator interface </p> </div> <div class="refsect1 parameters" id="refsect1-tokyotyrantquery.valid-parameters"> <h3 class="title">Parameters</h3> <p class="para">This function has no parameters.</p> </div> <div class="refsect1 returnvalues" id="refsect1-tokyotyrantquery.valid-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <strong><code>TRUE</code></strong> if the current item is valid and <strong><code>FALSE</code></strong> if not. </p> </div> <div class="refsect1 examples" id="refsect1-tokyotyrantquery.valid-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-2241"> <p><strong>Example #1 TokyoTyrantQuery iterator example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Connect to a table database */<br /></span><span style="color: #0000BB">$tt </span><span style="color: #007700">= new </span><span style="color: #0000BB">TokyoTyrantTable</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #0000BB">1979</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Add rows */<br /></span><span style="color: #0000BB">$tt</span><span style="color: #007700">-></span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #0000BB">null</span><span style="color: #007700">, array(</span><span style="color: #DD0000">"column1" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"some data"</span><span style="color: #007700">, </span><span style="color: #DD0000">"column2" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"something here"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$tt</span><span style="color: #007700">-></span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #0000BB">null</span><span style="color: #007700">, array(</span><span style="color: #DD0000">"column1" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"more data"</span><span style="color: #007700">, </span><span style="color: #DD0000">"column2" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"best data this far"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$tt</span><span style="color: #007700">-></span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #0000BB">null</span><span style="color: #007700">, array(</span><span style="color: #DD0000">"column1" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"again data"</span><span style="color: #007700">, </span><span style="color: #DD0000">"column3" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"foobar here"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$tt</span><span style="color: #007700">-></span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #0000BB">null</span><span style="color: #007700">, array(</span><span style="color: #DD0000">"column45" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"random data"</span><span style="color: #007700">, </span><span style="color: #DD0000">"column2" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"something along the lines"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$tt</span><span style="color: #007700">-></span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #0000BB">null</span><span style="color: #007700">, array(</span><span style="color: #DD0000">"column21" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"test data"</span><span style="color: #007700">, </span><span style="color: #DD0000">"column2" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"generating.."</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$tt</span><span style="color: #007700">-></span><span style="color: #0000BB">put</span><span style="color: #007700">(</span><span style="color: #0000BB">null</span><span style="color: #007700">, array(</span><span style="color: #DD0000">"column1" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"foobar data"</span><span style="color: #007700">, </span><span style="color: #DD0000">"column2" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"value here"</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">/* Get a new query object */<br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #0000BB">$tt</span><span style="color: #007700">-></span><span style="color: #0000BB">getQuery</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">/* Add a search condition */<br /></span><span style="color: #0000BB">$query</span><span style="color: #007700">-></span><span style="color: #0000BB">addCond</span><span style="color: #007700">(</span><span style="color: #DD0000">"column2"</span><span style="color: #007700">, </span><span style="color: #0000BB">TokyoTyrant</span><span style="color: #007700">::</span><span style="color: #0000BB">RDBQC_STROR</span><span style="color: #007700">, </span><span style="color: #DD0000">"something"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Iterate the results */<br /></span><span style="color: #007700">foreach (</span><span style="color: #0000BB">$query </span><span style="color: #007700">as </span><span style="color: #0000BB">$key </span><span style="color: #007700">=> </span><span style="color: #0000BB">$value</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"pk: </span><span style="color: #0000BB">$key</span><span style="color: #DD0000">, columns: "</span><span style="color: #007700">, </span><span style="color: #0000BB">count</span><span style="color: #007700">(</span><span style="color: #0000BB">$value</span><span style="color: #007700">) ,</span><span style="color: #DD0000">"\n"</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> pk: 1, columns: 2 pk: 4, columns: 2 </pre></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-tokyotyrantquery.valid-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="methodname"><a href="tokyotyrantquery.addcond.html" class="methodname" rel="rdfs-seeAlso">TokyoTyrantQuery::addCond()</a> - Adds a condition to the query</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="tokyotyrantquery.setorder.html">TokyoTyrantQuery::setOrder</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.tokyotyrantiterator.html">TokyoTyrantIterator</a></div> <div class="up"><a href="class.tokyotyrantquery.html">TokyoTyrantQuery</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>