安全过滤函数,用于过滤危险字符
function safe_replace($string) {
$string = str_replace(‘ ‘,”,$string);
$string = str_replace(”’,”,$string);
$string = str_replace(”’,”,$string);
$string = str_replace(‘*’,”,$string);
$string = str_replace(‘”‘,'”‘,$string);
$string = str_replace(“‘”,”,$string);
$string = str_replace(‘”‘,”,$string);
$string = str_replace(‘;’,”,$string);
$string = str_replace(‘<‘,'<‘,$string);
$string = str_replace(‘>’,’>’,$string);
$string = str_replace(“{“,”,$string);
$string = str_replace(‘}’,”,$string);
return $string;
}
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