<!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>This factory method creates a set from a string</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="quickhashintset.loadfromfile.html">QuickHashIntSet::loadFromFile</a></div> <div class="next" style="text-align: right; float: right;"><a href="quickhashintset.savetofile.html">QuickHashIntSet::saveToFile</a></div> <div class="up"><a href="class.quickhashintset.html">QuickHashIntSet</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="quickhashintset.loadfromstring" class="refentry"> <div class="refnamediv"> <h1 class="refname">QuickHashIntSet::loadFromString</h1> <p class="verinfo">(PECL quickhash >= Unknown)</p><p class="refpurpose"><span class="refname">QuickHashIntSet::loadFromString</span> — <span class="dc-title">This factory method creates a set from a string</span></p> </div> <div class="refsect1 description" id="refsect1-quickhashintset.loadfromstring-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">public</span> <span class="modifier">static</span> <span class="type"><a href="class.quickhashintset.html" class="type QuickHashIntSet">QuickHashIntSet</a></span> <span class="methodname"><strong>QuickHashIntSet::loadFromString</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$contents</code></span> [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$size</code></span> [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$options</code></span> ]] )</div> <p class="para rdfs-comment"> This factory method creates a new set from a definition in a string. The file format consists of 32 bit signed integers packed together in the Endianness that the system that the code runs on uses. </p> </div> <div class="refsect1 parameters" id="refsect1-quickhashintset.loadfromstring-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">contents</code></em></span> <dd> <p class="para"> The string containing a serialized format of the set. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">size</code></em></span> <dd> <p class="para"> The amount of bucket lists to configure. The number you pass in will be automatically rounded up to the next power of two. It is also automatically limited from 4 to 4194304. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">options</code></em></span> <dd> <p class="para"> The same options that the class' constructor takes; except that the size option is ignored. It is automatically calculated to be the same as the number of entries in the set, rounded up to the nearest power of two automatically limited from 64 to 4194304. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-quickhashintset.loadfromstring-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a new QuickHashIntSet. </p> </div> <div class="refsect1 examples" id="refsect1-quickhashintset.loadfromstring-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-5135"> <p><strong>Example #1 <span class="function"><strong>QuickHashIntSet::loadFromString()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$contents </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">( </span><span style="color: #0000BB">dirname</span><span style="color: #007700">( </span><span style="color: #0000BB">__FILE__ </span><span style="color: #007700">) . </span><span style="color: #DD0000">"/simple.set" </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$set </span><span style="color: #007700">= </span><span style="color: #0000BB">QuickHashIntSet</span><span style="color: #007700">::</span><span style="color: #0000BB">loadFromString</span><span style="color: #007700">(<br /> </span><span style="color: #0000BB">$contents</span><span style="color: #007700">,<br /> </span><span style="color: #0000BB">QuickHashIntSet</span><span style="color: #007700">::</span><span style="color: #0000BB">DO_NOT_USE_ZEND_ALLOC<br /></span><span style="color: #007700">);<br />foreach( </span><span style="color: #0000BB">range</span><span style="color: #007700">( </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0x0f </span><span style="color: #007700">) as </span><span style="color: #0000BB">$key </span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">( </span><span style="color: #DD0000">"Key %3d (%2x) is %s\n"</span><span style="color: #007700">,<br /> </span><span style="color: #0000BB">$key</span><span style="color: #007700">, </span><span style="color: #0000BB">$key</span><span style="color: #007700">, <br /> </span><span style="color: #0000BB">$set</span><span style="color: #007700">-></span><span style="color: #0000BB">exists</span><span style="color: #007700">( </span><span style="color: #0000BB">$key </span><span style="color: #007700">) ? </span><span style="color: #DD0000">'set' </span><span style="color: #007700">: </span><span style="color: #DD0000">'unset'<br /> </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> Key 0 ( 0) is unset Key 1 ( 1) is set Key 2 ( 2) is set Key 3 ( 3) is set Key 4 ( 4) is unset Key 5 ( 5) is set Key 6 ( 6) is unset Key 7 ( 7) is set Key 8 ( 8) is unset Key 9 ( 9) is unset Key 10 ( a) is unset Key 11 ( b) is set Key 12 ( c) is unset Key 13 ( d) is set Key 14 ( e) is unset Key 15 ( f) is unset </pre></div> </div> </div> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="quickhashintset.loadfromfile.html">QuickHashIntSet::loadFromFile</a></div> <div class="next" style="text-align: right; float: right;"><a href="quickhashintset.savetofile.html">QuickHashIntSet::saveToFile</a></div> <div class="up"><a href="class.quickhashintset.html">QuickHashIntSet</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>