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strripos

(PHP 5 CVS only)

strripos --  Find position of last occurrence of a case-insensitive string in a string

Description

int strripos ( string haystack, string needle)

Returns the numeric position of the last occurrence of needle in the haystack string. Unlike strrpos(), strripos() is case-insensitive. Also note that string positions start at 0, and not 1.

Note that the needle may be a string of one or more characters.

If needle is not found, FALSE is returned.

Warning

This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE, such as 0 or "". Please read the section on Booleans for more information. Use the === operator for testing the return value of this function.

Example 1. A simple strripos() example

<?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)

*/
?>

See also strrpos(), strrchr(), substr(), stripos() and stristr().

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