mb_strrpos
string$haystack,
string$needle,
[int$offset = 0],
[string|null$encoding = null]
): int|false
Performs a multibyte safe strrpos operation based on the number of characters. needle position is counted from the beginning of haystack. First character's position is 0. Second character position is 1.
Parameters
- haystack
-
The string being checked, for 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 string. Negative values will stop searching at an arbitrary point prior to the end of the string.
- encoding
-
The encoding parameter is the character encoding. If it is omitted or null, the internal character encoding value will be used.
Return Values
Returns the numeric position of the last occurrence of needle in the haystack string. If needle is not found, it returns false.
Changelog
| Version | Description |
| 8.0.0 | needle now accepts an empty string. |
| 8.0.0 | Passing the encoding as the third argument instead of an offset has been removed. |
| 8.0.0 | encoding is nullable now. |