use DebugArr\DebugArr; $array = ['foo' => 'bar', 'baz' => 'qux']; DebugArr::print_r($array);
use DebugArr\DebugArr; $array = ['foo' => 'bar', 'baz' => 'qux']; DebugArr::dump($array);
use DebugArr\DebugArr; $array = ['foo' => 'bar', 'baz' => 'qux']; if (DebugArr::is_key($array, 'foo')) { echo 'Key exists'; } else { echo 'Key does not exist'; }The package library of Debug Arr is DebugArr.