/**
* Checks if env var exists.
*
* @param string $name
* @return bool
*/
public function has($name)
{
return $this->values->hasKey($name);
}
public function testIssetUnsetAndHasKey()
{
$d = new DotArray();
$d['abc.xyz'] = ['one' => 1, 'two' => 2, 'array' => [2012, '2013', 2014, '2015'], 'null' => null];
$this->assertTrue(isset($d['abc.xyz']));
$this->assertTrue($d->hasKey('abc.xyz'));
$this->assertTrue(isset($d['abc']['xyz']['one']));
$this->assertTrue(isset($d['abc.xyz.one']));
$this->assertTrue(isset($d['abc.xyz']['one']));
$this->assertTrue($d->hasKey('abc.xyz.two'));
$this->assertTrue(isset($d['abc']['xyz']['array'][0]));
$this->assertTrue(isset($d['abc']['xyz']['array'][1]));
$this->assertTrue(isset($d['abc.xyz.array'][0]));
$this->assertTrue($d->hasKey('abc.xyz.array.0'));
$this->assertFalse(isset($d['abc']['xyz']['three']));
$this->assertFalse(isset($d['abc.xyz.three']));
$this->assertFalse(isset($d['abc.xyz']['three']));
// Like isset(), a value of null is considered not set.
$this->assertFalse(isset($d['abc.xyz.null']));
$this->assertFalse(isset($d['abc']['xyz']['null']));
// But has key
$this->assertTrue($d->hasKey('abc.xyz.null'));
unset($d['abc.xyz.one']);
$this->assertFalse(isset($d['abc']['xyz']['one']));
$this->assertFalse(isset($d['abc.xyz.one']));
$this->assertFalse($d->hasKey('abc.xyz.one'));
// key not set
unset($d['abc.xyz.three']);
$this->assertFalse($d->hasKey('abc.xyz.three'));
unset($d['abc.xyz']);
$this->assertFalse(isset($d['abc.xyz']));
$this->assertFalse($d->hasKey('abc.xyz'));
unset($d['abc.xyz.null']);
$this->assertFalse($d->hasKey('abc.xyz.null'));
}
