felixarntz/plugin-lib

<?php
/**
 * Text field class
 *
 * @package Leaves_And_Love\Plugin_Lib
 * @since 1.0.0
 */

namespace Leaves_And_Love\Plugin_Lib\Fields;

use WP_Error;

if ( ! class_exists( 'Leaves_And_Love\Plugin_Lib\Fields\Text' ) ) :

    /**
     * Class for a text field.
     *
     * @since 1.0.0
     */
    class Text extends Text_Base {
        /**
         * Field type identifier.
         *
         * @since 1.0.0
         * @var string
         */
        protected $slug = 'text';

        /**
         * Type attribute for the input.
         *
         * @since 1.0.0
         * @var string
         */
        protected $type = 'text';

        /**
         * Validates a single value for the field.
         *
         * @since 1.0.0
         *
         * @param mixed $value Value to validate. When null is passed, the method
         *                     assumes no value was sent.
         * @return mixed|WP_Error The validated value on success, or an error
         *                        object on failure.
         */
        protected function validate_single( $value = null ) {
            $value = parent::validate_single( $value );
            if ( is_wp_error( $value ) ) {
                return $value;
            }

            if ( ! empty( $value ) ) {
                if ( ! empty( $this->input_attrs['pattern'] ) ) {
                    $pattern = $this->input_attrs['pattern'];

                    if ( ! preg_match( '/^' . $pattern . '$/', $value ) ) {
                        return new WP_Error( 'field_text_no_pattern_match', sprintf( $this->manager->get_message( 'field_text_no_pattern_match' ), $value, $this->label, '<code>' . $pattern . '</code>' ) );
                    }
                }
            }

            return $value;
        }
    }

endif;