mb_stripos
(PHP 5 >= 5.2.0)
mb_stripos — Finds position of first occurrence of a string within another, case insensitive
说明
mb_stripos() returns the numeric position of the first occurrence of needle in the haystack string. Unlike mb_strpos(), mb_stripos() is case-insensitive. If needle is not found, it returns FALSE.
参数
- haystack
-
The string from which to get the position of the first occurrence of needle
- needle
-
The string to find in haystack
- offset
-
The position in haystack to start searching
- encoding
-
Character encoding name to use. If it is omitted, internal character encoding is used.
返回值
Return the numeric position of the first occurrence of needle in the haystack string, or FALSE if needle is not found.
