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mb_strrpos

(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)

mb_strrpos — Find position of last occurrence of a string in a string

Beschreibung

mb_strrpos(
    string $haystack,
    string $needle,
    int $offset = 0,
    ?string $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.

Parameter-Liste

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 haystack. Negative values will stop searching at an arbitrary point prior to the end of the haystack.
encoding

Der Parameter encoding legt die Zeichenkodierung fest. Wird er nicht übergeben, so wird die interne Zeichenkodierung genutzt.

Rückgabewerte

Returns the numeric position of the last occurrence of needle in the haystack string. If needle is not found, it returns false.

Fehler/Exceptions

Changelog

Version Beschreibung
8.0.0 needle akzeptiert nun eine leere Zeichenkette.
8.0.0 Passing the encoding as the third argument instead of an offset has been removed.
8.0.0 encoding ist nun nullable (akzeptiert den null-Wert).

Siehe auch