文件操作 - ListRadio.php

文件: /home/www/public/wp-content/plugins/ninja-forms/includes/Fields/ListRadio.php

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<?php if ( ! defined( 'ABSPATH' ) ) exit;

/**
 * Class NF_Fields_RadioList
 */
class NF_Fields_ListRadio extends NF_Abstracts_List
{
    protected $_name = 'listradio';

protected $_type = 'listradio';

protected $_section = 'common';

protected $_icon = 'dot-circle-o';

protected $_templates = 'listradio';

protected $_old_classname = 'list-radio';

public function __construct()
    {
        parent::__construct();

$this->_nicename = esc_html__( 'Radio List', 'ninja-forms' );

add_filter( 'ninja_forms_merge_tag_calc_value_' . $this->_type, array( $this, 'get_calc_value' ), 10, 2 );
    }

/**
     * Validate submitted value is a configured option.
     *
     * @param array $field Field settings including submitted value.
     * @param array $data  Form data.
     * @return array Validation errors.
     */
    public function validate( $field, $data )
    {
        $errors = parent::validate( $field, $data );
        if ( ! empty( $errors ) ) {
            return $errors;
        }

$submitted = isset( $field['value'] ) ? (string) $field['value'] : '';
        if ( '' === $submitted ) {
            return $errors;
        }

$allowed = array();
        if ( isset( $field['options'] ) && is_array( $field['options'] ) ) {
            foreach ( $field['options'] as $option ) {
                if ( isset( $option['value'] ) ) {
                    $allowed[] = (string) $option['value'];
                }
            }
        }

if ( ! in_array( $submitted, $allowed, true ) ) {
            $errors['slug'] = 'invalid-option';
            $errors['message'] = esc_html__( 'Invalid selection.', 'ninja-forms' );
        }

return $errors;
    }

/**
     * Get calculation value for merge tag.
     *
     * Returns the configured calc value for matched options,
     * or 0 if no match (fail closed for security).
     *
     * @param mixed $value Submitted field value.
     * @param array $field Field settings including options.
     * @return float Calculation value.
     */
    public function get_calc_value( $value, $field )
    {
        if ( isset( $field['options'] ) && is_array( $field['options'] ) ) {
            foreach ( $field['options'] as $option ) {
                if ( ! isset( $option['value'], $option['calc'] ) ) {
                    continue;
                }
                if ( (string) $value === (string) $option['value'] && is_numeric( trim( $option['calc'] ) ) ) {
                    return (float) $option['calc'];
                }
            }
        }
        return 0;
    }
}

文件操作 - ListRadio.php

文件: /home/www/public/wp-content/plugins/ninja-forms/includes/Fields/ListRadio.php

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