如何使用do_action_ref_array？

我有一个插件，里面有这个方法，应该有一个用于自定义验证的挂钩。我有两个问题：

我不知道该如何调用它（已在下面发布了我的尝试）

插件中似乎有一个bug，因为我无法使用$cart\\u键

带挂钩的插件代码：

public function validateCustomFields( $value, $form_id, $cart_key )
{
    $decoded_value = json_decode( $value );
    $fields = array();
    foreach ( json_decode( get_option( \'bookly_custom_fields\' ) ) as $field ) {
        $fields[ $field->id ] = $field;
    }

    foreach ( $decoded_value as $field ) {
        if ( isset( $fields[ $field->id ] ) ) {
            if ( ( $fields[ $field->id ]->type == \'captcha\' ) && ! Captcha\\Captcha::validate( $form_id, $field->value ) ) {
                $this->errors[\'custom_fields\'][ $cart_key ][ $field->id ] = __( \'Incorrect code\', \'bookly\' );
            } elseif ( $fields[ $field->id ]->required && empty ( $field->value ) && $field->value != \'0\' ) {
                $this->errors[\'custom_fields\'][ $cart_key ][ $field->id ] = __( \'Required\', \'bookly\' );
            } else {
                /**
                 * Custom field validation for a third party,
                 * if the value is not valid then please add an error message like in the above example.
                 *
                 * @param \\stdClass
                 * @param ref array
                 * @param \\stdClass
                 */
                do_action_ref_array( \'bookly_validate_custom_field\', array( $field, &$this->errors, $fields[ $field->id ] ) );
            }
        }
    }
}

函数中的我的代码。php：

/**
 * Adds the custom validator for postcodes
 */
function postcode_custom_validator_action($field, $errors, $fieldId) {
    if ( $fieldId == 16020 ) {
        $postcodesCoveredSetting = get_theme_mod( \'postcode_textbox\' );
        if(!isValidPostcode($field->value, $postcodesCoveredSetting)) {
            // Validator.php says: "if the value is not valid then please add an error message like in the above example."
            // which looks like this:
            // $this->errors[\'custom_fields\'][ $cart_key ][ $field->id ] = __( \'Required\', \'bookly\' );
            // but $cart_key not passed through it seems?
            $errors[\'custom_fields\'][ $cart_key ][ $field->id ] = __( "Sorry, we only cover " . $postcodesCoveredSetting . " postcode areas at the moment", \'bookly\' );
        }
    }
}
add_action ( \'bookly_validate_custom_field\', \'postcode_custom_validator_action\', 10, 3 ); // 10 is priority, 3 is number of params in array?

add_action( \'bookly_validate_custom_field\', function ( \\stdClass $field, &$errors, $cart_key, \\stdClass $field_info ) { // Validation by custom_field id switch ( $field->id ) { case \'id_value\': if ( /*$invalid == */ true ) { $errors[\'custom_fields\'][ $cart_key ][ $field->id ] = __( \'Invalid\', \'bookly\' ); } break; } }, 10, 4 );

使用快速编辑更新POST时，POST_ROW_ACTIONS过滤器不工作

我使用post\\u row\\u操作创建了两个链接，页面加载时显示良好。但使用快速编辑更新帖子后，链接将消失。是WordPress的bug还是我错过了什么。我的代码如下所示。add_filter(\'post_row_actions\', \'add_new_link\', 10, 2); public function add_new_link($actions, $page_object) { $actions[\'new_action\'] = \'<

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