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Find position of last occurrence of a string in a string

Multibyte String Functions

mb_strrpos

(PHP 4 >= 4.0.6, PHP 5)

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

Description

int mb_strrpos ( string $haystack , string $needle [, int $offset [, string $encoding ]] )

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, 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
5.2.0	Added the optional parameter `offset` .

Notes

Note: 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.

Note: The internal encoding or the character encoding specified by mb_regex_encoding() will be used as the character encoding for this function.

See Also

mb_strpos() - Find position of first occurrence of string in a string
mb_internal_encoding() - Set/Get internal character encoding
strrpos() - Find position of last occurrence of a char in a string

Multibyte String Functions

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