$field Field (`payment` bool, `targets` Lookup source, `targets_label`). * @param mixed $value Saved rules. * @param string $id Element ID. * @return void */ public static function render( array $field, $value, $id ) { $payment = ! empty( $field['payment'] ); $fields = Rules::fields( $payment ); $kinds = array_map( static fn( $f ) => $f['kind'], $fields ); $ops = array( 'number' => Rules::operators( 'number' ), 'set' => Rules::operators( 'set' ), ); $rules = Rules::well_formed( $value ); ?>

$rule ) : ?>

$def ) : ?>

$rule Rule (empty for the template). * @param array $field Field. * @param array> $fields Condition fields. * @return void */ private static function rule( $uid, array $rule, array $field, array $fields ) { $conditions = (array) ( $rule['conditions'] ?? array( array() ) ); ?>

$condition ) : ?>

'apwc_rt_' . $uid, 'type' => 'search', 'source' => (string) $field['targets'], 'label' => (string) $field['targets_label'], 'placeholder' => (string) $field['targets_label'], ), (array) ( $rule['targets'] ?? array() ) ); ?>

$rule Rule. * @return bool */ private static function complete( array $rule ) { if ( empty( $rule['targets'] ) || empty( $rule['conditions'] ) ) { return false; } foreach ( (array) $rule['conditions'] as $c ) { if ( ! is_array( $c ) || ! isset( $c['value'] ) || array() === $c['value'] || '' === $c['value'] ) { return false; } } return true; } /** * One condition row. * * @param string $uid Unique key. * @param array $condition Condition (empty for the template). * @param array> $fields Fields. * @return void */ private static function condition( $uid, array $condition, array $fields ) { $field = is_string( $condition['field'] ?? null ) ? $condition['field'] : ''; $key = isset( $fields[ $field ] ) ? $field : (string) array_key_first( $fields ); $def = $fields[ $key ]; $op = is_string( $condition['op'] ?? null ) ? $condition['op'] : ''; ?>

$def Field definition. * @param mixed $value Value (number, or a list of IDs). * @return void */ private static function value( $uid, $key, array $def, $value ) { if ( 'number' === $def['kind'] ) { $value = is_scalar( $value ) ? $value : null; printf( '', esc_attr( $uid ), esc_html( $def['label'] ), esc_attr( null === $value ? '' : (string) $value ) ); return; } Fields::render( 'rules', array( 'id' => 'apwc_rc_' . $uid, 'type' => 'search', 'source' => (string) $def['source'], 'label' => $def['label'], 'placeholder' => __( 'Search…', 'admin-powerups-for-woocommerce' ), ), array_values( array_filter( (array) $value, 'is_scalar' ) ) ); } }