mb_strripos
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
mb_strripos — Finds position of last occurrence of a string within another, case insensitive
Description
string
$haystack,string
$needle,int
$offset = 0,?string
$encoding = null): int|false
mb_strripos() performs multi-byte safe
strripos() operation based on
number of characters. needle position is
counted from the beginning of
haystack. First character's position is
0. Second character position is 1.
Unlike mb_strrpos(),
mb_strripos() is case-insensitive.
Parameters
-
haystack -
The string from which to get the position of the last occurrence of
needle -
needle -
The string to find in
haystack -
offset -
The position in
haystackto start searching -
encoding -
Character encoding name to use. If it is omitted, internal character encoding is used.
Return Values
Return the numeric position of
the last occurrence of needle in the
haystack string, or false
if needle is not found.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
needle now accepts an empty string.
|
| 8.0.0 |
encoding is nullable now.
|
See Also
- strripos() - Find the position of the last occurrence of a case-insensitive substring in a string
- strrpos() - Find the position of the last occurrence of a substring in a string
- mb_strrpos() - Find position of last occurrence of a string in a string
