(PHP 4 >= 4.0.6, PHP 5)
mb_strpos — Find position of first occurrence of string in a string
Performs a multi-byte safe strpos() operation based on number of characters. The first character's position is 0, the second character position is 1, and so on.
The string being checked.
The string to find in haystack. In contrast with strpos(), numeric values are not applied as the ordinal value of a character.
The search offset. If it is not specified, 0 is used.
The encoding parameter is the character encoding. If it is omitted, the internal character encoding value will be used.
Returns the numeric position of the first occurrence of needle in the haystack string. If needle is not found, it returns FALSE.