traverse/reshape example

traverse-reshape-example.php

<?php

$arr = [
	'apples' => [
		'red' => [
			'gala',
			'mcintosh',
		],
		'green' => [
			'granny_smith',
		],
	],
];

$obj = (object) [
	'apples' => (object) [
		'red' => [
			'gala',
			'mcintosh',
		],
		'green' => [
			'granny_smith',
		],
	],
];


$green = \Alley\traverse($arr, 'apples.green');
// ['granny_smith']

$red = \Alley\traverse($obj, 'apples.red');
// ['gala', 'mcintosh']

[$red, $green] = \Alley\traverse($obj, ['apples.red', 'apples.green']);
// ['gala', 'mcintosh'], ['granny_smith']

$sweet = \Alley\traverse($arr, 'apples.green.sweet');
// NULL