gistfile1.php

<?php
$arrs = Array(
	12 => array(
		'model' => 'aksesoris',
		'children' => array(
			1716 => array(
				'model' => 'jam_tangan',
			),
			1717 => array(
				'model' => 'kacamata_lainnya',
			),
			1718 => array(
				'model' => 'perhiasan',
				'children' => array(
					'1715' => array(
						'model' => 'testing',
					)
				)
			),
			1719 => array(
				'model' => 'tas',
			),
		),
	),
	13 => array
		(
		'model' => 'batik_kebaya',
		'children' => array(
			1720 => array(
				'model' => 'batik',
			),
			1721 => array
				(
				'model' => 'kebaya',
			),
		),
	),
	1706 => array(
		'model' => 'busana_anak',
		'children' => array(
			1722 => array(
				'model' => 'anak',
			),
			1723 => array(
				'model' => 'bayi',
				'children' => array(
					9999 => array(
						'model' => 'test',
					),
					8888 => array
						(
						'model' => 'test2',
					),
				),
			),
		),
	),
	1707 => array
		(
		'model' => 'busana_formil',
		'children' => array
			(
			1724 => array
				(
				'model' => 'kerja',
			),
			1725 => array
				(
				'model' => 'sekolah',
			),
		),
	),
	1708 => array
		(
		'model' => 'busana_modis',
		'children' => array
			(
			1726 => array
				(
				'model' => 'busana_import',
			),
			1727 => array
				(
				'model' => 'busana_lokal',
			),
			1728 => array
				(
				'model' => 'busana_spesial',
			),
		),
	),
	1709 => array
		(
		'model' => 'busana_muslim',
		'children' => array
			(
			1729 => array
				(
				'model' => 'aksesoris_muslim',
			),
			1730 => array
				(
				'model' => 'Pakaian',
			),
		),
	),
	1710 => array
		(
		'model' => 'busana_tidur',
		'children' => array
			(
			1731 => array
				(
				'model' => 'lingerie',
			),
			1732 => array
				(
				'model' => 'pakaian_tidur',
			),
			1733 => array
				(
				'model' => 'perlengkapan_tidur',
			),
		),
	),
	1711 => array
		(
		'model' => 'department_store',
		'children' => array
			(
			1734 => array
				(
				'model' => 'menengah_ke_atas',
			),
			1735 => array
				(
				'model' => 'menengah_ke_bawah',
			),
		),
	),
	1712 => array
		(
		'model' => 'kaos',
		'children' => array
			(
			1736 => array
				(
				'model' => 'konveksi',
			),
			1737 => array
				(
				'model' => 'retail',
			),
		),
	),
	1713 => array
		(
		'model' => 'rental_tailor',
		'children' => array
			(
			1738 => array
				(
				'model' => 'busana_adat_pesta',
			),
			1739 => array
				(
				'model' => 'busana_lainnya',
			),
			1740 => array
				(
				'model' => 'tailor',
			),
		),
	),
	1714 => array
		(
		'model' => 'sepatu',
		'children' => array
			(
			1741 => array
				(
				'model' => 'formal',
			),
			1742 => array
				(
				'model' => 'santai',
			),
		),
	),
	1715 => array
		(
		'model' => 'toko_grosir',
		'children' => array
			(
			1743 => array
				(
				'model' => 'aksesoris_grosir',
			),
			1744 => array
				(
				'model' => 'pakaian_grosir',
			),
			1745 => array
				(
				'model' => 'sepatu_grosir',
			),
		),
	),
);
$flatarr = array();

function flattenarray($arrs, $parent = NULL) {
	$flat = array();
	foreach($arrs as $idx => $arr){
		$flat[] = array(
			'id' => $idx,
			'model' => $arr['model'],
			'parent' => $parent,
		);
		if (isset($arr['children'])){
			$flat = array_merge($flat, flattenarray($arr['children'], $idx));
		}
	}
	return $flat;
}


$flatarr = flattenarray($arrs);

print_r($flatarr);