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
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-
May be specified to begin searching an arbitrary number of characters into
the haystack. Negative values will stop searching at an arbitrary point
prior to the end of the haystack.
encoding-
The encoding
parameter is the character encoding. If it is omitted or null, the internal character
encoding value will be used.
Return Values
Return the numeric position of
the last occurrence of needle in the
haystack string, or false
if needle is not found.
Errors/Exceptions
As of PHP 8.0.0, a ValueError is thrown if
encoding is an invalid encoding.
Prior to PHP 8.0.0, an E_WARNING was emitted instead.
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
mb_strrichr
Multibyte String Functions