How to use filter id in PHP
This article describe about filter_id() function in PHP.
filter_id() function
ID number return of a specified filter by the filter_id() function.
On success return the filter ID number, and if filter doesn't exits return NULL.
Syntax
| Parameter |
Description |
| filter_name |
Required. Define the filter for get the id. |
Example
<html>
<body>
<?php
echo(filter_id("validate_email"));
?>
</body>
</html> |
Output
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