php-test/classes/answer.class.php
2019-10-05 18:21:48 +01:00

71 lines
1.3 KiB
PHP

<?php
namespace TestProject;
/*
* Answer class
*/
class Answer extends Item {
private const tb_str = 'answer';
private $text_str;
private $correct_bln;
/**
* Load answer
*
* @param int $id_int ID of answer to load
*/
public function __construct( int $id_int ){
$db = DB::getDB();
$rows_arr = $db->select( self::tb_str, array(), array( 'id' => $id_int ) );
if ( empty( $rows_arr ) ){
throw new \RuntimeException( 'Invalid answer ID' );
}
$this->id_int = $rows_arr[0]['id'];
$this->text_str = $rows_arr[0]['text'];
$this->correct_bln = (bool) $rows_arr[0]['correct'];
}
/**
* Get a list of answer IDs for a question
*
* @param int $questID_int ID of question to load answers for
*
* @return int[] Array of answer IDs
*/
public static function getList( int $questID_int ){
$db = DB::getDB();
$rows_arr = $db->select( self::tb_str, array( 'id' ), array( 'question' => $questID_int ) );
$id_arr = array();
foreach( $rows_arr as $row_arr ){
$id_arr[] = $row_arr['id'];
}
return $id_arr;
}
/**
* Get question text
*
* @return string Question text
*/
public function getText(){
return $this->text_str;
}
/**
* Get if answer is correct
*
* @return bool if is correct
*/
public function isCorrect(){
return $this->correct_bln;
}
}