Complete PHP Filter Reference
The filter_var() function filters a variable with the specified filter.
Returns the filtered data on success or FALSE on failure.
| Parameter | Description |
|---|---|
| variable | Required. Specifies the variable to filter |
| filter | Optional. Specifies the ID of the filter to use.
Default is FILTER_SANITIZE_STRING. Check the
Complete PHP Filter Reference for
possible filters A filter ID can be an ID name (like FILTER_VALIDATE_EMAIL) or an ID number (like 274) |
| options | Optional. Specifies an associative array of flags/options or a single flag/option. Check each filter for possible options and flags |
The output of the code should be:
Complete PHP Filter Reference
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