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<h2 class="title">Installation</h2>
<p class="para">
The libxml extension is enabled by default, although it may be disabled with
<strong class="option configure">--disable-libxml</strong>
.
</p>
<p class="para">
The optional <strong class="option configure">--with-libxml-dir</strong>
directive is used to specify the location of <em>libxml</em>
on the system that PHP is being compiled on, otherwise only the
default locations are scanned. The <em>configure</em> process
checks for libxml (specifically, <em>xml2-config</em>) in the
following order:
</p>
<ol type="1">
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<p class="para">
The location ([DIR]) specified with <strong class="option configure">--with-libxml-dir</strong>
([DIR]=<var class="filename">/bin/xml2-config</var>)
</p>
</li>
<li class="listitem">
<p class="para">
<var class="filename">/usr/local/bin/xml2-config</var>
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<p class="para">
<var class="filename">/usr/bin/xml2-config</var>
</p>
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<p class="para">
If <em>configure</em> cannot find <var class="filename">xml2-config</var> in the directory
specified by <strong class="option configure">--with-libxml-dir</strong>
, then
it'll continue on and check the default locations.
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