rilwis/meta-box

<?php
defined( 'ABSPATH' ) || die;

/**
 * The textarea field.
 */
class RWMB_Textarea_Field extends RWMB_Field {
    /**
     * Get field HTML.
     *
     * @param mixed $meta Meta value.
     * @param array $field Field parameters.
     *
     * @return string
     */
    public static function html( $meta, $field ) {
        $attributes = self::get_attributes( $field, $meta );
        return sprintf(
            '<textarea %s>%s</textarea>',
            self::render_attributes( $attributes ),
            esc_textarea( $meta )
        );
    }

    /**
     * Normalize parameters for field.
     *
     * @param array $field Field parameters.
     * @return array
     */
    public static function normalize( $field ) {
        $field = parent::normalize( $field );
        $field = wp_parse_args( $field, [
            'autocomplete' => false,
            'cols'         => false,
            'rows'         => 3,
            'maxlength'    => false,
            'minlength'    => false,
            'wrap'         => false,
            'readonly'     => false,
        ] );

        return $field;
    }

    /**
     * Get the attributes for a field.
     *
     * @param array $field Field parameters.
     * @param mixed $value Meta value.
     *
     * @return array
     */
    public static function get_attributes( $field, $value = null ) {
        $attributes = parent::get_attributes( $field, $value );
        $attributes = wp_parse_args( $attributes, [
            'autocomplete' => $field['autocomplete'],
            'cols'         => $field['cols'],
            'rows'         => $field['rows'],
            'maxlength'    => $field['maxlength'],
            'minlength'    => $field['minlength'],
            'wrap'         => $field['wrap'],
            'readonly'     => $field['readonly'],
            'placeholder'  => $field['placeholder'],
        ] );

        return $attributes;
    }
}