[PHP-DOC] cvs: phpdoc /en/reference/strings/functions strripos.xml

[Philip Olson]

philip          Tue May 27 20:28:35 2003 EDT

  Added files:                 
    /phpdoc/en/reference/strings/functions      strripos.xml 
  Log:
  Initial documentation.
  
  

Index: phpdoc/en/reference/strings/functions/strripos.xml
+++ phpdoc/en/reference/strings/functions/strripos.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1 $ -->
  <refentry id="function.strripos">
   <refnamediv>
    <refname>strripos</refname>
    <refpurpose>
     Find position of last occurrence of a case-insensitive string in a string
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <methodsynopsis>
     <type>int</type><methodname>strripos</methodname>
     <methodparam><type>string</type><parameter>haystack</parameter></methodparam>
     <methodparam><type>string</type><parameter>needle</parameter></methodparam>
    </methodsynopsis>
    <para>
     Returns the numeric position of the last occurrence of
     <parameter>needle</parameter> in the
     <parameter>haystack</parameter> string.  Unlike
     <function>strrpos</function>, <function>strripos</function> is
     case-insensitive.  Also note that string positions start at 0, and not
     1. 
    </para>
    <para>
     If <parameter>needle</parameter> is not found, &false; is returned.
    </para>
    
    &return.falseproblem;    
    
    <para>
     <example>
      <title>A simple <function>strripos</function> example</title>
      <programlisting role="php">
<![CDATA[
<?php
$haystack = 'ababcd';
$needle   = 'ab';

$pos      = strripos($haystack, $needle);

if ($pos === false) {
    echo "Sorry, we did not find ($needle) in ($haystack)";
} else {
    echo "Congratulations!\n";
    echo "We found the last ($needle) in ($haystack) at position ($pos)";
}

/* Outputs:

   Congratulations!
   We found the last (ab) in (ababcd) at position (2)

*/
?>
]]>
      </programlisting>
     </example>
    </para>
    <para>
     See also <function>strrpos</function>,
     <function>strrchr</function>, 
     <function>substr</function>, and 
     <function>stristr</function>.
    </para>
   </refsect1>
  </refentry>

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