防注入

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$fiter = array(
"‘|(and|or)\\b.+?(>|<|=|in|like)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)",
"\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)"
);

$query = array($_REQUEST,$_REQUEST);

foreach ($fiter as $key => $value) {
foreach ($query as $_k => $_v) {
foreach ($_v as $__k => $__v) {

if (preg_match(‘/‘.$value.‘/is‘, $__v))
{
header(‘Location: /‘);
}
}
}

}

防注入

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原文地址：http://www.cnblogs.com/Jerry-blog/p/4898353.html