/**
* Get the validaton rules within the validation context.
*
* @return array
*/
protected function getRulesInContext()
{
if (!$this->hasContext()) {
return static::$rules;
}
$rulesInContext = Arr::get(static::$rules, self::DEFAULT_KEY, array());
if (!Arr::get(static::$rules, $this->context)) {
throw new \Exception(sprintf("'%s' does not contain the validation context '%s'", get_called_class(), $this->context));
}
$rulesInContext = array_merge($rulesInContext, static::$rules[$this->context]);
return $rulesInContext;
}
/**
* Transforms the input array into the output array based on the rules
* stated in the configuration file.
*
* @return array
*/
public function transform($root = '')
{
$output = [];
$array = Arr::dot($this->feed_data);
$rules = Arr::dot($this->rules);
$all_rules = [];
foreach ($rules as $key => $value) {
if (strpos($key, '*')) {
$new_keys = Arr::expandKeys($key, $this->expand_size);
$new_values = Arr::expandKeys($value, $this->expand_size);
$new_rules = array_combine($new_keys, $new_values);
foreach ($new_rules as $new_key => $new_rule) {
if (array_key_exists($new_rule, $array)) {
$all_rules[$new_key] = $new_rule;
}
}
} else {
$all_rules[$key] = $value;
}
}
foreach ($all_rules as $k => $v) {
Arr::set($output, $k, Arr::get($array, $v));
}
return $output;
}
public function testGet()
{
$array = ['products' => ['desk' => ['price' => 100]]];
$value = Arr::get($array, 'products.desk');
$this->assertEquals(['price' => 100], $value);
// Test null array values
$array = ['foo' => null, 'bar' => ['baz' => null]];
$this->assertNull(Arr::get($array, 'foo', 'default'));
$this->assertNull(Arr::get($array, 'bar.baz', 'default'));
// Test direct ArrayAccess object
$array = ['products' => ['desk' => ['price' => 100]]];
$arrayAccessObject = new ArrayObject($array);
$value = Arr::get($arrayAccessObject, 'products.desk');
$this->assertEquals(['price' => 100], $value);
// Test array containing ArrayAccess object
$arrayAccessChild = new ArrayObject(['products' => ['desk' => ['price' => 100]]]);
$array = ['child' => $arrayAccessChild];
$value = Arr::get($array, 'child.products.desk');
$this->assertEquals(['price' => 100], $value);
// Test array containing multiple nested ArrayAccess objects
$arrayAccessChild = new ArrayObject(['products' => ['desk' => ['price' => 100]]]);
$arrayAccessParent = new ArrayObject(['child' => $arrayAccessChild]);
$array = ['parent' => $arrayAccessParent];
$value = Arr::get($array, 'parent.child.products.desk');
$this->assertEquals(['price' => 100], $value);
// Test missing ArrayAccess object field
$arrayAccessChild = new ArrayObject(['products' => ['desk' => ['price' => 100]]]);
$arrayAccessParent = new ArrayObject(['child' => $arrayAccessChild]);
$array = ['parent' => $arrayAccessParent];
$value = Arr::get($array, 'parent.child.desk');
$this->assertNull($value);
// Test missing ArrayAccess object field
$arrayAccessObject = new ArrayObject(['products' => ['desk' => null]]);
$array = ['parent' => $arrayAccessObject];
$value = Arr::get($array, 'parent.products.desk.price');
$this->assertNull($value);
// Test null ArrayAccess object fields
$array = new ArrayObject(['foo' => null, 'bar' => new ArrayObject(['baz' => null])]);
$this->assertNull(Arr::get($array, 'foo', 'default'));
$this->assertNull(Arr::get($array, 'bar.baz', 'default'));
// Test null key returns the whole array
$array = ['foo', 'bar'];
$this->assertEquals($array, Arr::get($array, null));
// Test $array not an array
$this->assertSame('default', Arr::get(null, 'foo', 'default'));
$this->assertSame('default', Arr::get(false, 'foo', 'default'));
// Test $array not an array and key is null
$this->assertSame('default', Arr::get(null, null, 'default'));
// Test $array is empty and key is null
$this->assertSame([], Arr::get([], null));
$this->assertSame([], Arr::get([], null, 'default'));
}
/**
* Get the specified configuration value.
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function get($key, $default = null)
{
return Arr::get($this->items, $key, $default);
}
