what if b wants to use the $time variable in a?
public function a(){
$time="1520452015";
return $this->fetch();
}
public function b(){
}
what if b wants to use the $time variable in a?
public function a(){
$time="1520452015";
return $this->fetch();
}
public function b(){
} $time as a return parameter $this- > time
Encapsulation learn about
public $time = '1520452015';
public function a()
{
$time = $this->time;
return $this->fetch();
}
public function b()
{
var_dump($this->time);
}you can put time in the properties of this class. A modifies the
private $time = 'xxxxx';
public function a()
{
$time = $this->time;
return $this->fetch();
}
public function b()
{
dump($this->time);
}
private static $time = 'xxxxx';
public function a()
{
$time = self::$time;
return $this->fetch();
}
public function b()
{
dump(self::$time);
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