PHP Dokumentation: Function mb-strrpos
12. Januar 2010 von werner
mb_strrpos
(PHP 4 >= 4.0.6, PHP 5)
mb_strrpos — Find position of last occurrence of a string in a string
Beschreibung
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 string. Negative values will stop searching at an arbitrary point prior to the end of the string.
- encoding
Der encodingParameter legt das Zeichenencoding fest. Wird er nicht übergeben so wirddas interne Zeichenencoding genutzt.
Rückgabewerte
Returns the numeric position of the last occurrence of needle in the haystack string. If needle is not found, it returns FALSE.
Changelog
| Version | Beschreibung |
|---|---|
| 5.2.0 | Added the optional parameter offset. |
Anmerkungen
Hinweis: The encoding parameter was moved from the third position to the fourth in PHP 5.2.0. For backward compatibility, encoding can be specified as the third parameter, but doing so is deprecated and will be removed in the future.
Hinweis: Das interneEncoding oder das mit mb_regex_encoding() festgelegteZeichenencoding wird als Zeichenencoding für diese Funktion genutzt.
Siehe auch
- mb_strpos() – Find position of first occurrence of string in a string
- mb_internal_encoding() – Set/Get internal character encoding
- strrpos() – Findet das letzte Vorkommen eines Zeichens innerhalb einer Zeichenkette
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