Validation and Sanitization

Kavro sanitizes saved values by field type. Scalar fields use WordPress sanitizers such as sanitize_text_field(), sanitize_email(), and esc_url_raw(). Complex fields are sanitized recursively.

Custom sanitizer

array(
    'id'                => 'custom_code',
    'type'              => 'textarea',
    'title'             => 'Custom Code',
    'sanitize_callback' => function( $value, $field ) {
        return wp_kses_post( $value );
    },
)

Global filter

add_filter( 'kavro/sanitize_values', function( $clean, $raw, $sections ) {
    return $clean;
}, 10, 3 );