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<h1 class="refname">SplTempFileObject::__construct</h1>
<p class="verinfo">(PHP 5 >= 5.1.2)</p><p class="refpurpose"><span class="refname">SplTempFileObject::__construct</span> — <span class="dc-title">Construct a new temporary file object</span></p>
</div>
<div class="refsect1 description" id="refsect1-spltempfileobject.construct-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="methodname"><strong>SplTempFileObject::__construct</strong></span>
([ <span class="methodparam"><span class="type">int</span> <code class="parameter">$max_memory</code></span>
] )</div>
<p class="para rdfs-comment">
Construct a new temporary file object.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-spltempfileobject.construct-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">max_memory</code></em></span>
<dd>
<p class="para">
The maximum amount of memory (in bytes, default is 2 MB) for
the temporary file to use. If the temporary file exceeds this
size, it will be moved to a file in the system's temp directory.
</p>
<p class="para">
If <em><code class="parameter">max_memory</code></em> is negative, only memory
will be used. If <em><code class="parameter">max_memory</code></em> is zero,
no memory will be used.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-spltempfileobject.construct-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 errors" id="refsect1-spltempfileobject.construct-errors">
<h3 class="title">Errors/Exceptions</h3>
<p class="para">
Throws a <a href="class.runtimeexception.html" class="classname">RuntimeException</a> if an error occurs.
</p>
</div>
<div class="refsect1 examples" id="refsect1-spltempfileobject.construct-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3976">
<p><strong>Example #1 <span class="methodname"><strong>SplTempFileObject()</strong></span> example</strong></p>
<div class="example-contents"><p>This example writes a temporary file in memory which can be written to and read from.</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$temp </span><span style="color: #007700">= new </span><span style="color: #0000BB">SplTempFileObject</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$temp</span><span style="color: #007700">-></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #DD0000">"This is the first line\n"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$temp</span><span style="color: #007700">-></span><span style="color: #0000BB">fwrite</span><span style="color: #007700">(</span><span style="color: #DD0000">"And this is the second.\n"</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"Written " </span><span style="color: #007700">. </span><span style="color: #0000BB">$temp</span><span style="color: #007700">-></span><span style="color: #0000BB">ftell</span><span style="color: #007700">() . </span><span style="color: #DD0000">" bytes to temporary file.\n\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Rewind and read what was written<br /></span><span style="color: #0000BB">$temp</span><span style="color: #007700">-></span><span style="color: #0000BB">rewind</span><span style="color: #007700">();<br />foreach (</span><span style="color: #0000BB">$temp </span><span style="color: #007700">as </span><span style="color: #0000BB">$line</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">$line</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>
Written 47 bytes to temporary file.
This is the first line
And this is the second.
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-spltempfileobject.construct-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><a href="class.splfileobject.html" class="classname">SplFileObject</a></li>
<li class="member">
<a href="wrappers.php.html" class="link">PHP input/output streams</a>
(for <em>php://temp</em> and <em>php://memory</em>)
</li>
</ul>
</p>
</div>
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