(PHP 5 >= 5.2.0, PHP 7)
mb_strrchr — Finds the last occurrence of a character in a string within another
mb_strrchr ( string $haystack , string $needle [, bool $before_needle = false [, string|null $encoding = null ]] ) : string|false
mb_strrchr() finds the last occurrence of needle in haystack and returns the portion of haystack. If needle is not found, it returns false.
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 haystack this function returns. If set to true, it returns all of haystack from the beginning to the last occurrence of needle. If set to false, it returns all of haystack from the last occurrence of needle to the end,
encoding
Character encoding name to use. If it is omitted, internal character encoding is used.
Returns the portion of haystack. or false if needle is not found.
| Version | Description |
|---|---|
| 8.0.0 | encoding is nullable now. |
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https://www.php.net/manual/en/function.mb-strrchr.php