How to use FILTER UNSAFE RAW in PHP
This article describe about FILTER_UNSAFE_RAW Filter in PHP.
FILTER_UNSAFE_RAW Filter
This filter does nothing, or encodes and strips defined characters.
And also removes data which is harmful for application.
It is used for encode unwanted characters or strip tags and remove.
If flags no specified then this filter does nothing.
- Name: "unsafe_raw"
- ID-number: 516
Possible flags:
- FILTER_FLAG_ENCODE_LOW - Encode characters with ASCII value below 32
- FILTER_FLAG_ENCODE_HIGH - Encode characters with ASCII value above 32
- FILTER_FLAG_STRIP_LOW - Strip characters with ASCII value below 32
- FILTER_FLAG_STRIP_HIGH - Strip characters with ASCII value above 32
- FILTER_FLAG_ENCODE_AMP - Encode the & character to &
Example
<html>
<body>
<?php
$file="file'";
echo filter_var($file,FILTER_UNSAFE_RAW);
?>
</body>
</html> |
Output
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