How to set title from two values ​​in YII2?

Question

Yii

Tried several ways:

$Family=volonterFamily;
$Name=volonterName;
$NameFamily=(string)$Name+(string)$Family;
$this->title = $model->$NameFamily;
error //ответ на выдаче

$Family=volonterFamily;
$Name=volonterName;
$NameFamily=$Name+$Family;
$this->title = $model->$NameFamily;
error //ответ на выдаче

//volonterFamily;
//volonterName;
$this->title = $model->volonterFamily & volonterName;
P"@ @[email protected] A //ответ на выдаче

//volonterFamily;
//volonterName;
$this->title = $model->volonterFamily+volonterName;
0 //ответ на выдаче

//volonterFamily;
//volonterName;
$this->title = $model->volonterFamily and volonterName;
volonterFamily //ответ на выдаче

Answer 1

String concatenation in php is ".", i.e.
$this->title = $model->volunteerFamily . " " . $model->volonterName"
Or like this:
$this->title = "$model->volonterFamily $model->volonterName"