filter_string()
function filter_string(string $string, array $allowed_tags = []): string
Deprecated: This function is deprecated and will be removed from the Trongate framework on June 3, 2026. Developers are encouraged to replace instances of filter_string() with filter_str() throughout their applications.
Description
An alias for filter_str() retained for backward compatibility. Filters and sanitizes a string by removing potentially harmful content while optionally preserving specified HTML tags.
Parameters
| Parameter | Type | Description | Default |
|---|---|---|---|
| $string | string | The input string to be filtered and sanitized. | N/A |
| $allowed_tags | string[] | An optional array of allowed HTML tags. | [] |
Return Value
| Type | Description |
|---|---|
| string | The filtered and sanitized string. |