<!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 hash from a string</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="quickhashinthash.loadfromfile.html">QuickHashIntHash::loadFromFile</a></div> <div class="next" style="text-align: right; float: right;"><a href="quickhashinthash.savetofile.html">QuickHashIntHash::saveToFile</a></div> <div class="up"><a href="class.quickhashinthash.html">QuickHashIntHash</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="quickhashinthash.loadfromstring" class="refentry"> <div class="refnamediv"> <h1 class="refname">QuickHashIntHash::loadFromString</h1> <p class="verinfo">(PECL quickhash >= Unknown)</p><p class="refpurpose"><span class="refname">QuickHashIntHash::loadFromString</span> — <span class="dc-title">This factory method creates a hash from a string</span></p> </div> <div class="refsect1 description" id="refsect1-quickhashinthash.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.quickhashinthash.html" class="type QuickHashIntHash">QuickHashIntHash</a></span> <span class="methodname"><strong>QuickHashIntHash::loadFromString</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$contents</code></span> [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$options</code></span> ] )</div> <p class="para rdfs-comment"> This factory method creates a new hash 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. For each element there are two 32 bit signed integers stored. The first of each element is the key, and the second is the value belonging to the key. </p> </div> <div class="refsect1 parameters" id="refsect1-quickhashinthash.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 hash. </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 hash, rounded up to the nearest power of two with a maximum limit of 4194304. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-quickhashinthash.loadfromstring-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a new QuickHashIntHash. </p> </div> <div class="refsect1 examples" id="refsect1-quickhashinthash.loadfromstring-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-5147"> <p><strong>Example #1 <span class="function"><strong>QuickHashIntHash::loadFromString()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$contents </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">( </span><span style="color: #0000BB">dirname</span><span style="color: #007700">( </span><span style="color: #0000BB">__FILE__ </span><span style="color: #007700">) . </span><span style="color: #DD0000">"/simple.hash" </span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$hash </span><span style="color: #007700">= </span><span style="color: #0000BB">QuickHashIntHash</span><span style="color: #007700">::</span><span style="color: #0000BB">loadFromString</span><span style="color: #007700">(<br /> </span><span style="color: #0000BB">$contents</span><span style="color: #007700">,<br /> </span><span style="color: #0000BB">QuickHashIntHash</span><span style="color: #007700">::</span><span style="color: #0000BB">DO_NOT_USE_ZEND_ALLOC<br /></span><span style="color: #007700">);<br />foreach( </span><span style="color: #0000BB">range</span><span style="color: #007700">( </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0x0f </span><span style="color: #007700">) as </span><span style="color: #0000BB">$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">$hash</span><span style="color: #007700">-></span><span style="color: #0000BB">exists</span><span style="color: #007700">( </span><span style="color: #0000BB">$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="quickhashinthash.loadfromfile.html">QuickHashIntHash::loadFromFile</a></div> <div class="next" style="text-align: right; float: right;"><a href="quickhashinthash.savetofile.html">QuickHashIntHash::saveToFile</a></div> <div class="up"><a href="class.quickhashinthash.html">QuickHashIntHash</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>