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<title>Default implementation for __autoload()</title>
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<h1 class="refname">spl_autoload</h1>
<p class="verinfo">(PHP 5 >= 5.1.0, PHP 7)</p><p class="refpurpose"><span class="refname">spl_autoload</span> — <span class="dc-title">Default implementation for __autoload()</span></p>
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<div class="refsect1 description" id="refsect1-function.spl-autoload-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>spl_autoload</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$class_name</code></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$file_extensions</code><span class="initializer"> = spl_autoload_extensions()</span></span>
] )</div>
<p class="para rdfs-comment">
This function is intended to be used as a default implementation for
<span class="function"><a href="function.autoload.html" class="function">__autoload()</a></span>. If nothing else is specified and
<span class="function"><a href="function.spl-autoload-register.html" class="function">spl_autoload_register()</a></span> is
called without any parameters then this function will be used for any
later call to <span class="function"><a href="function.autoload.html" class="function">__autoload()</a></span>.
</p>
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<div class="refsect1 parameters" id="refsect1-function.spl-autoload-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">class_name</code></dt>
<dd>
<p class="para">
The lowercased name of the class (and namespace) being instantiated.
</p>
</dd>
<dt>
<code class="parameter">file_extensions</code></dt>
<dd>
<p class="para">
By default it checks all include paths to
contain filenames built up by the lowercase class name appended by the
filename extensions .inc and .php.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.spl-autoload-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 errors" id="refsect1-function.spl-autoload-errors">
<h3 class="title">Errors/Exceptions</h3>
<p class="para">
Throws <a href="class.logicexception.html" class="classname">LogicException</a> when the class is not found
and there are no other autoloaders registered.
</p>
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