Description
int
strripos ( string haystack, string needle [, int offset] )
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) |
|
The offset parameter may be specified to begin
searching an arbitrary number of characters into the string.
Negative offset values will start the search at
offset characters from the
start of the string.
See also strrpos(),
strrchr(),
substr(), stripos() and
stristr().
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