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https://github.com/sigmasternchen/php-doc-en
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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@146503 c90b9560-bf6c-de11-be94-00142212c4b1
100 lines
2.8 KiB
XML
100 lines
2.8 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.5 $ -->
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<refentry id="function.strripos">
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<refnamediv>
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<refname>strripos</refname>
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<refpurpose>
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Find position of last occurrence of a case-insensitive string in a string
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</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>strripos</methodname>
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<methodparam><type>string</type><parameter>haystack</parameter></methodparam>
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<methodparam><type>string</type><parameter>needle</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>offset</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the numeric position of the last occurrence of
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<parameter>needle</parameter> in the
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<parameter>haystack</parameter> string. Unlike
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<function>strrpos</function>, <function>strripos</function> is
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case-insensitive. Also note that string positions start at 0, and not
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1.
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</para>
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<para>
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Note that the <parameter>needle</parameter> may be a string of one or
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more characters.
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</para>
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<para>
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If <parameter>needle</parameter> is not found, &false; is returned.
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</para>
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&return.falseproblem;
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<para>
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<example>
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<title>A simple <function>strripos</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$haystack = 'ababcd';
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$needle = 'aB';
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$pos = strripos($haystack, $needle);
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if ($pos === false) {
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echo "Sorry, we did not find ($needle) in ($haystack)";
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} else {
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echo "Congratulations!\n";
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echo "We found the last ($needle) in ($haystack) at position ($pos)";
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}
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?>
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]]>
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</programlisting>
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<para>
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Outputs:
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</para>
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<screen>
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<![CDATA[
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Congratulations!
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We found the last (aB) in (ababcd) at position (2)
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]]>
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</screen>
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</example>
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</para>
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<simpara>
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<parameter>offset</parameter> may be specified to begin searching an
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arbitrary number of characters into the string. Negative values will
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stop searching at an arbitrary point prior to the end of the string.
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</simpara>
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<para>
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See also <function>strrpos</function>,
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<function>strrchr</function>,
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<function>substr</function>, <function>stripos</function> and
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<function>stristr</function>.
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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