mb_strrichr
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
mb_strrichr — Finds the last occurrence of a character in a string within another, case insensitive
Description
string
$haystack,string
$needle,bool
$before_needle = false,?string
$encoding = null): string|false
mb_strrichr() finds the last occurrence of
needle in haystack
and returns the portion of haystack. Unlike
mb_strrchr(), mb_strrichr() is
case-insensitive.
If needle is not found, it returns false.
Parameters
-
haystack -
The string from which to get the last occurrence of
needle -
needle -
The string to find in
haystack -
before_needle -
Determines which portion of
haystackthis function returns. If set totrue, it returns all ofhaystackfrom the beginning to the last occurrence ofneedle. If set tofalse, it returns all ofhaystackfrom the last occurrence ofneedleto the end, -
encoding -
Character encoding name to use. If it is omitted, internal character encoding is used.
Return Values
Returns the portion of haystack.
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
- mb_stristr() - Finds first occurrence of a string within another, case insensitive
- mb_strrchr() - Finds the last occurrence of a character in a string within another
