FILTER_SANITIZE_SPECIAL_CHARS constant in PHP

FILTER_SANITIZE_SPECIAL_CHARS constant filters HTML escaped special characters.

Flag

• FILTER_FLAG_STRIP_LOW − Strip characters with ASCII values ​​below 32

• FILTER_FLAG_STRIP_HIGH − Strip characters with ASCII value higher than 32

• FILTER_FLAG_ENCODE_HIGH − Encode characters with ASCII value higher than 32

Return value

The FILTER_SANITIZE_SPECIAL_CHARS constant does nothing.

Example

Demonstration

<?php
   $var = "Favorite Sports is Football & Cricket?";
   var_dump(filter_var($var,FILTER_SANITIZE_SPECIAL_CHARS));
?>

Output

The following is the output result.

string(43) "Favorite Sports is Football & Cricket?"

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