<!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>Offset to set</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="arrayaccess.offsetget.html">ArrayAccess::offsetGet</a></div> <div class="next" style="text-align: right; float: right;"><a href="arrayaccess.offsetunset.html">ArrayAccess::offsetUnset</a></div> <div class="up"><a href="class.arrayaccess.html">ArrayAccess</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="arrayaccess.offsetset" class="refentry"> <div class="refnamediv"> <h1 class="refname">ArrayAccess::offsetSet</h1> <p class="verinfo">(PHP 5 >= 5.0.0)</p><p class="refpurpose"><span class="refname">ArrayAccess::offsetSet</span> — <span class="dc-title">Offset to set</span></p> </div> <div class="refsect1 description" id="refsect1-arrayaccess.offsetset-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">abstract</span> <span class="modifier">public</span> <span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>ArrayAccess::offsetSet</strong></span> ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$offset</code></span> , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span> )</div> <p class="para rdfs-comment"> Assigns a value to the specified offset. </p> </div> <div class="refsect1 parameters" id="refsect1-arrayaccess.offsetset-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">offset</code></em></span> <dd> <p class="para"> The offset to assign the value to. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">value</code></em></span> <dd> <p class="para"> The value to set. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-arrayaccess.offsetset-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> No value is returned. </p> </div> <div class="refsect1 notes" id="refsect1-arrayaccess.offsetset-notes"> <h3 class="title">Notes</h3> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para"> The <em><code class="parameter">offset</code></em> parameter will be set to <strong><code>NULL</code></strong> if another value is not available, like in the following example. <div class="informalexample"> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$arrayaccess</span><span style="color: #007700">[] = </span><span style="color: #DD0000">"first value"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$arrayaccess</span><span style="color: #007700">[] = </span><span style="color: #DD0000">"second value"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$arrayaccess</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <p class="para">The above example will output:</p> <div class="example-contents screen"> <div class="cdata"><pre> Array ( [0] => first value [1] => second value ) </pre></div> </div> </div> </p> </p></blockquote> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para"> This function is not called in assignments by reference and otherwise indirect changes to array dimensions overloaded with <a href="class.arrayaccess.html" class="classname">ArrayAccess</a> (indirect in the sense they are made not by changing the dimension directly, but by changing a sub-dimension or sub-property or assigning the array dimension by reference to another variable). Instead, <span class="function"><a href="arrayaccess.offsetget.html" class="function">ArrayAccess::offsetGet()</a></span> is called. The operation will only be successful if that method returns by reference, which is only possible since PHP 5.3.4. </p> </p></blockquote> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="arrayaccess.offsetget.html">ArrayAccess::offsetGet</a></div> <div class="next" style="text-align: right; float: right;"><a href="arrayaccess.offsetunset.html">ArrayAccess::offsetUnset</a></div> <div class="up"><a href="class.arrayaccess.html">ArrayAccess</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>