Source of: /manual/en/function.iconv-strrpos.php
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<div id="function.iconv-strrpos" class="refentry">
<div class="refnamediv">
<h1 class="refname">iconv_strrpos</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">iconv_strrpos</span> — <span class="dc-title">Finds the last occurrence of a needle within a haystack</span></p>
</div>
<a name="function.iconv-strrpos.description"></a><div class="refsect1 description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><b>iconv_strrpos</b></span>
( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$haystack</tt></span>
, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$needle</tt></span>
[, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$charset</tt><span class="initializer"> = ini_set("iconv.internal_encoding")</span></span>
] )</div>
<p class="para rdfs-comment">
In contrast to <a href="function.strpos.php" class="function">strpos()</a>, the return value of
<b>iconv_strrpos()</b> is the number of characters that
appear before the needle, rather than the offset in bytes to the
position where the needle has been found.
</p>
</div>
<a name="function.iconv-strrpos.parameters"></a><div class="refsect1 parameters">
<h3 class="title">Parameters</h3>
<p class="para">
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">haystack</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
The entire string.
</p>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">needle</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
The searched substring.
</p>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">charset</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
If <i><tt class="parameter">charset</tt></i>
parameter is omitted,
<i><tt class="parameter">string</tt></i>
are assumed to be encoded in
<a href="iconv.configuration.php" class="link">iconv.internal_encoding</a>.
</p>
</dd>
</dl>
<p>
</p>
<p class="para">
If <i><tt class="parameter">haystack</tt></i>
or <i><tt class="parameter">needle</tt></i>
is
not a string, it is converted to a string and applied as the ordinal
value of a character.
</p>
</div>
<a name="function.iconv-strrpos.returnvalues"></a><div class="refsect1 returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the numeric position of the last occurrence of
<i><tt class="parameter">needle</tt></i>
in <i><tt class="parameter">haystack</tt></i>
.
The characters are counted
on the basis of the specified character set <i><tt class="parameter">charset</tt></i>
.
</p>
<p class="para">
If <i><tt class="parameter">needle</tt></i>
is not found,
<b>iconv_strrpos()</b> will return <b><tt class="constant">FALSE</tt></b>.
</p>
<div class="warning"><b class="warning">Warning</b><p class="simpara">This function may
return Boolean <b><tt class="constant">FALSE</tt></b>, but may also return a non-Boolean value which
evaluates to <b><tt class="constant">FALSE</tt></b>, such as <i>0</i> or
"". Please read the section on <a href="language.types.boolean.php" class="link">Booleans</a> for more
information. Use <a href="language.operators.comparison.php" class="link">the ===
operator</a> for testing the return value of this
function.</p></div>
</div>
<a name="function.iconv-strrpos.seealso"></a><div class="refsect1 seealso">
<h3 class="title">See Also</h3>
<p class="para">
</p><ul class="simplelist">
<li class="member"><a href="function.strrpos.php" class="function" rel="rdfs-seeAlso">strrpos()</a> - Find position of last occurrence of a char in a string</li>
<li class="member"><a href="function.iconv-strpos.php" class="function" rel="rdfs-seeAlso">iconv_strpos()</a> - Finds position of first occurrence of a needle within a haystack</li>
<li class="member"><a href="function.mb-strrpos.php" class="function" rel="rdfs-seeAlso">mb_strrpos()</a> - Find position of last occurrence of a string in a string</li>
</ul><p>
</p>
</div>
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