<?php

/**
 * Multiple select field
 *
 * @since 3.0.0
 */
class Fixedtoc_Field_Multi_Select extends Fixedtoc_Field {

	/**
	 * Get html code.
	 *
	 * @since 3.0.0
	 * @access public
	 *
	 * @return string
	 *
	 * @noinspection PhpUnnecessaryCurlyVarSyntaxInspection
	 */
	public function get_html() {
		$choices = $this->args['choices'];
		if ( ! $choices ) {
			return '';
		}

		$name        = esc_attr( $this->args['name'] );
		$value       = (array) $this->args['value'];
		$extra_attrs = $this->get_extra_attrs();
		$disabled    = isset( $this->args['input_attrs']['disabled'] ) && $this->args['input_attrs']['disabled'] ? ' disabled' : '';

		$html = "<input type=\"hidden\" name=\"$name\" value=\"\" $disabled><select name=\"{$name}[]\" multiple $extra_attrs>";
		foreach ( $choices as $val => $text ) {
			$val      = esc_attr( $val );
			$text     = sanitize_text_field( $text );
			$selected = selected( true, in_array( $val, $value ), false );
			$html     .= "<option value=\"$val\" $selected>$text</option>";
		}
		$html .= '</select>';

		return $html;
	}

}