The function mb_ereg_search_pos() returns matched byte length, not the position of the search part.
PHP - Manual: mb_ereg_search_getpos
2024-12-23
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_ereg_search_getpos — Returns start point for next regular expression match
Returns the start point for the next regular expression match.
此函数没有参数。
mb_ereg_search_getpos() returns the point to start regular expression match for mb_ereg_search(), mb_ereg_search_pos(), mb_ereg_search_regs(). The position is represented by bytes from the head of string.
注意:
mb_regex_encoding() 指定的内部编码或字符编码将会当作此函数用的字符编码。
The function mb_ereg_search_pos() returns matched byte length, not the position of the search part.
官方地址:https://www.php.net/manual/en/function.mb-ereg-search-getpos.php