Sanitize filters
Filter flags
Types of filters
在线手册：
中文
英文
PHP手册
Other filters
List of miscellaneous filters
ID
Name
Options
Flags
Description
FILTER_CALLBACK
"callback"
callable
function or method
Call user-defined function to filter data.
Sanitize filters
Filter flags
Types of filters
在线手册：
中文
英文
PHP手册