<!DOCTYPE html>
<html lang=
"zh-cn"
>
<head>
<meta charset=
"UTF-8"
>
<meta name=
"viewport"
content=
"width=device-width, initial-scale=1,maximum-scale=1, user-scalable=no"
>
<title>PHP字符串的过滤方法</title>
</head>
<body>
<?php
function
strFilter(
$str
){
$str
=
str_replace
('`', '',
$str
);
$str
=
str_replace
('·', '',
$str
);
$str
=
str_replace
('~', '',
$str
);
$str
=
str_replace
('!', '',
$str
);
$str
=
str_replace
('!', '',
$str
);
$str
=
str_replace
('@', '',
$str
);
$str
=
str_replace
('#', '',
$str
);
$str
=
str_replace
('$', '',
$str
);
$str
=
str_replace
('¥', '',
$str
);
$str
=
str_replace
('%', '',
$str
);
$str
=
str_replace
('^', '',
$str
);
$str
=
str_replace
('……', '',
$str
);
$str
=
str_replace
('&', '',
$str
);
$str
=
str_replace
('*', '',
$str
);
$str
=
str_replace
('(', '',
$str
);
$str
=
str_replace
(')', '',
$str
);
$str
=
str_replace
('(', '',
$str
);
$str
=
str_replace
(')', '',
$str
);
$str
=
str_replace
('-', '',
$str
);
$str
=
str_replace
('_', '',
$str
);
$str
=
str_replace
('——', '',
$str
);
$str
=
str_replace
('+', '',
$str
);
$str
=
str_replace
('=', '',
$str
);
$str
=
str_replace
('|', '',
$str
);
$str
=
str_replace
('\\', '',
$str
);
$str
=
str_replace
('[', '',
$str
);
$str
=
str_replace
(']', '',
$str
);
$str
=
str_replace
('【', '',
$str
);
$str
=
str_replace
('】', '',
$str
);
$str
=
str_replace
('{', '',
$str
);
$str
=
str_replace
('}', '',
$str
);
$str
=
str_replace
(';', '',
$str
);
$str
=
str_replace
(';', '',
$str
);
$str
=
str_replace
(':', '',
$str
);
$str
=
str_replace
(':', '',
$str
);
$str
=
str_replace
('\'', '',
$str
);
$str
=
str_replace
('"', '',
$str
);
$str
=
str_replace
('“', '',
$str
);
$str
=
str_replace
('”', '',
$str
);
$str
=
str_replace
(',', '',
$str
);
$str
=
str_replace
(',', '',
$str
);
$str
=
str_replace
('<', '',
$str
);
$str
=
str_replace
('>', '',
$str
);
$str
=
str_replace
('《', '',
$str
);
$str
=
str_replace
('》', '',
$str
);
$str
=
str_replace
('.', '',
$str
);
$str
=
str_replace
('。', '',
$str
);
$str
=
str_replace
('/', '',
$str
);
$str
=
str_replace
('、', '',
$str
);
$str
=
str_replace
('?', '',
$str
);
$str
=
str_replace
('?', '',
$str
);
$str
=
str_replace
('
and
','',
$str
);
$str
=
str_replace
('execute','',
$str
);
$str
=
str_replace
('update','',
$str
);
$str
=
str_replace
('
count
','',
$str
);
$str
=
str_replace
('
chr
','',
$str
);
$str
=
str_replace
('mid','',
$str
);
$str
=
str_replace
('master','',
$str
);
$str
=
str_replace
('truncate','',
$str
);
$str
=
str_replace
('char','',
$str
);
$str
=
str_replace
('
declare
','',
$str
);
$str
=
str_replace
('select','',
$str
);
$str
=
str_replace
('create','',
$str
);
$str
=
str_replace
('
delete
','',
$str
);
$str
=
str_replace
('insert','',
$str
);
$str
=
str_replace
('
or
','',
$str
);
return
trim(
$str
);
}
$cont
= ' ?”?;onestopweb.cn
and
update
echo
'开始['.strFilter(
$cont
).']结束';
?>
</body>
</html>