| public sort ( string $key = null, callable $callback = null ) : array | ||
| $key | string | Element to sort using "dot" notation. You can to escape a dot in a key surrendering with brackets: "[.]" |
| $callback | callable | Callback should be a function with the following signature: ```php function($element1, $element2) { // returns -1, 0 or 1 } ``` |
| Результат | array | |
public function sort($key = null, callable $callback = null)
{
$elements = is_null($key) === true ? $this->array : $this->get($key);
$sortCallback = is_null($callback) === false ? $callback : function ($element1, $element2) {
if ($element1 == $element2) {
return 0;
}
return $element1 < $element2 ? -1 : 1;
};
uasort($elements, $sortCallback);
return $elements;
} public function testSortKey()
{
$a = new ArrayWrapper(['level1' => ['a' => '2015-11-01', 'b' => '2015-11-03', 'c' => '2015-11-02']]);
$b = $a->sort('level1');
$this->assertCount(3, $b);
$this->assertEquals('2015-11-01', array_values($b)[0]);
$this->assertEquals('2015-11-02', array_values($b)[1]);
$this->assertEquals('2015-11-03', array_values($b)[2]);
}
