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<title>Match ETag</title>
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<h1 class="refname">http_match_etag</h1>
<p class="verinfo">(PECL pecl_http >= 0.1.0)</p><p class="refpurpose"><span class="refname">http_match_etag</span> — <span class="dc-title">Match ETag</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.http-match-etag-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>http_match_etag</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$etag</code></span>
[, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$for_range</code><span class="initializer"> = false</span></span>
] )</div>
<p class="para rdfs-comment">
Matches the given <em>ETag</em> against the clients <em>If-Match</em> resp.
<em>If-None-Match</em> HTTP headers.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.http-match-etag-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">etag</code></em></span>
<dd>
<p class="para">
the <em>ETag</em> to match
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">for_range</code></em></span>
<dd>
<p class="para">
if set to <strong><code>TRUE</code></strong>, the header usually used to validate HTTP ranges will be checked
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.http-match-etag-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> if <em>ETag</em> matches or the header contained the asterisk ("*"), else <strong><code>FALSE</code></strong>.
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.http-match-etag-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><strong>http_match_last_modified()</strong></span></li>
<li class="member"> <span class="function"><a href="function.http-match-request-header.html" class="function" rel="rdfs-seeAlso">http_match_request_header()</a> - Match any header</span></li>
<li class="member"> <span class="function"><a href="function.http-cache-etag.html" class="function" rel="rdfs-seeAlso">http_cache_etag()</a> - Caching by ETag</span></li>
<li class="member"> <span class="function"><a href="function.http-cache-last-modified.html" class="function" rel="rdfs-seeAlso">http_cache_last_modified()</a> - Caching by last modification</span></li>
<li class="member"> <span class="function"><a href="function.ob-etaghandler.html" class="function" rel="rdfs-seeAlso">ob_etaghandler()</a> - ETag output handler</span></li>
</ul>
</p>
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