The filter_var() function in PHP is used to ______ and validate data.
- filter
- sanitize
- validate
- clean
The filter_var() function in PHP is used to filter and validate data. It provides a wide range of filters to sanitize and validate various types of data, such as URLs, email addresses, numbers, and more. By applying appropriate filters, the filter_var() function helps ensure data integrity and security. Refer to: http://php.net/manual/en/function.filter-var.php
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