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PHP FILTER_SANITIZE_STRING 过滤器
tryphp_func_sanitize_string2
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<!DOCTYPE html> <html> <body> <?php // Variable to check $str = "<h1>Hello World���!</h1>"; // Remove HTML tags and all characters with ASCII value > 127 $newstr = filter_var($str, FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_HIGH); echo $newstr; ?> </body> </html>
Hello World!