Home >Backend Development >PHP Tutorial >如何搜索多维数组中指定键名，然后返回关联父级
如何搜索多维数组中指定键名，然后返回关联父级
- WBOYOriginal
- 2016-06-23 13:16:23989browse
$arr = array ( 1 => array ( 'id' => '1', 'pid' => '0', 'token' => '1b0d714c66096a96c482936486e4c40e', 'sons' => array ( 12 => array ( 'id' => '12', 'pid' => '1', 'token' => 'a7dcfa46460ca637fa286c14ee57acdf', ), 6 => array ( 'id' => '6', 'pid' => '1', 'token' => '2e7518ec4f5289bff8f3e05116c4929e', 'sons' => array ( 19 => array ( 'id' => '19', 'pid' => '6', 'token' => '858713efb349f93af67dadb49b8f6b5f', ), 20 => array ( 'id' => '20', 'pid' => '6', 'token' => '7363f6aabd2b3dcf50ccbe88f3c5a8b2', ), 21 => array ( 'id' => '21', 'pid' => '6', 'token' => '8a986418ee5c8f713df6e9604005e69f', ), 22 => array ( 'id' => '22', 'pid' => '6', 'token' => '6311e80bcbe0d6a85675a31a608c1915', ), 23 => array ( 'id' => '23', 'pid' => '6', 'token' => '2624675dba4e5a337c2439e46e3e72e7', ), 24 => array ( 'id' => '24', 'pid' => '6', 'token' => '54cb492d5dd42153d4582a477d50801f', ), ), ), 7 => array ( 'id' => '7', 'pid' => '1', 'token' => 'e805b7b1c80fabb3254a811b03d863a9', ), 8 => array ( 'id' => '8', 'pid' => '1', 'token' => 'fa19fc35fc606ea8ee42220988a1dd13', ), 9 => array ( 'id' => '9', 'pid' => '1', 'token' => '7b719ab0aca16f75f7ff7d343b636b6b', ), 10 => array ( 'id' => '10', 'pid' => '1', 'token' => 'da54b292552224a177e98caa7343bfc4', ), 11 => array ( 'id' => '11', 'pid' => '1', 'token' => '05af12b7314e56ec1152df8755f2adad', ), ), ), 2 => array ( 'id' => '2', 'pid' => '0', 'token' => '22f0f784a4624e34f99464756edfa96d', ), 3 => array ( 'id' => '3', 'pid' => '0', 'token' => '35a86d0851e0a58e7586d21e2f35b542', ), 4 => array ( 'id' => '4', 'pid' => '0', 'token' => 'd6010381df2741f5fef54f0715bfab9e', ), 5 => array ( 'id' => '5', 'pid' => '0', 'token' => '1b0d79a0b84656aee02143b64e1c06cc', 'sons' => array ( 14 => array ( 'id' => '14', 'pid' => '5', 'token' => 'eb4595eb1f17a7135367b0d637a095ae', ), 15 => array ( 'id' => '15', 'pid' => '5', 'token' => '02622648a1c23d56a1c8d114897841e1', ), 16 => array ( 'id' => '16', 'pid' => '5', 'token' => '2ed8c0684e0bc2f6ad7c44c45c0e7008', ), 17 => array ( 'id' => '17', 'pid' => '5', 'token' => '3b3376d825dbb47e79b93972df61d87e', ), 18 => array ( 'id' => '18', 'pid' => '5', 'token' => '1acdddb596cdcfa1b22778b5fb04d958', ), 13 => array ( 'id' => '13', 'pid' => '5', 'token' => '7719c663ccd503f6de4bf039c7e7ddf6', ), ), ),);
多维数组中怎么搜索指定键名，然后返回关联父级
如：我搜索 token = 7719c663ccd503f6de4bf039c7e7ddf6
则：返回
$arr[5][sons][13]=array( id => '13', pid => '5', token => '7719c663ccd503f6de4bf039c7e7ddf6',);
回复讨论(解决方案)
$arr = array ( 1 => array ( 'id' => '1', 'pid' => '0', 'token' => '1b0d714c66096a96c482936486e4c40e', 'sons' => array ( 12 => array ( 'id' => '12', 'pid' => '1', 'token' => 'a7dcfa46460ca637fa286c14ee57acdf', ), 6 => array ( 'id' => '6', 'pid' => '1', 'token' => '2e7518ec4f5289bff8f3e05116c4929e', 'sons' => array ( 19 => array ( 'id' => '19', 'pid' => '6', 'token' => '858713efb349f93af67dadb49b8f6b5f', ), 20 => array ( 'id' => '20', 'pid' => '6', 'token' => '7363f6aabd2b3dcf50ccbe88f3c5a8b2', ), 21 => array ( 'id' => '21', 'pid' => '6', 'token' => '8a986418ee5c8f713df6e9604005e69f', ), 22 => array ( 'id' => '22', 'pid' => '6', 'token' => '6311e80bcbe0d6a85675a31a608c1915', ), 23 => array ( 'id' => '23', 'pid' => '6', 'token' => '2624675dba4e5a337c2439e46e3e72e7', ), 24 => array ( 'id' => '24', 'pid' => '6', 'token' => '54cb492d5dd42153d4582a477d50801f', ), ), ), 7 => array ( 'id' => '7', 'pid' => '1', 'token' => 'e805b7b1c80fabb3254a811b03d863a9', ), 8 => array ( 'id' => '8', 'pid' => '1', 'token' => 'fa19fc35fc606ea8ee42220988a1dd13', ), 9 => array ( 'id' => '9', 'pid' => '1', 'token' => '7b719ab0aca16f75f7ff7d343b636b6b', ), 10 => array ( 'id' => '10', 'pid' => '1', 'token' => 'da54b292552224a177e98caa7343bfc4', ), 11 => array ( 'id' => '11', 'pid' => '1', 'token' => '05af12b7314e56ec1152df8755f2adad', ), ), ), 2 => array ( 'id' => '2', 'pid' => '0', 'token' => '22f0f784a4624e34f99464756edfa96d', ), 3 => array ( 'id' => '3', 'pid' => '0', 'token' => '35a86d0851e0a58e7586d21e2f35b542', ), 4 => array ( 'id' => '4', 'pid' => '0', 'token' => 'd6010381df2741f5fef54f0715bfab9e', ), 5 => array ( 'id' => '5', 'pid' => '0', 'token' => '1b0d79a0b84656aee02143b64e1c06cc', 'sons' => array ( 14 => array ( 'id' => '14', 'pid' => '5', 'token' => 'eb4595eb1f17a7135367b0d637a095ae', ), 15 => array ( 'id' => '15', 'pid' => '5', 'token' => '02622648a1c23d56a1c8d114897841e1', ), 16 => array ( 'id' => '16', 'pid' => '5', 'token' => '2ed8c0684e0bc2f6ad7c44c45c0e7008', ), 17 => array ( 'id' => '17', 'pid' => '5', 'token' => '3b3376d825dbb47e79b93972df61d87e', ), 18 => array ( 'id' => '18', 'pid' => '5', 'token' => '1acdddb596cdcfa1b22778b5fb04d958', ), 13 => array ( 'id' => '13', 'pid' => '5', 'token' => '7719c663ccd503f6de4bf039c7e7ddf6', ), ), ),);$token = '7719c663ccd503f6de4bf039c7e7ddf6';foreach($arr as $k=>$v) { if(isset($v['sons'])) { foreach($v['sons'] as $k1=>$v1) { if($v1['token'] == $token) $ret[$k]['sons'][$k1] = $v1; } }}print_r($ret); Array( [5] => Array ( [sons] => Array ( [13] => Array ( [id] => 13 [pid] => 5 [token] => 7719c663ccd503f6de4bf039c7e7ddf6 ) ) ))
$arr = array ( 1 => array ( 'id' => '1', 'pid' => '0', 'token' => '1b0d714c66096a96c482936486e4c40e', 'sons' => array ( 12 => array ( 'id' => '12', 'pid' => '1', 'token' => 'a7dcfa46460ca637fa286c14ee57acdf', ), 6 => array ( 'id' => '6', 'pid' => '1', 'token' => '2e7518ec4f5289bff8f3e05116c4929e', 'sons' => array ( 19 => array ( 'id' => '19', 'pid' => '6', 'token' => '858713efb349f93af67dadb49b8f6b5f', ), 20 => array ( 'id' => '20', 'pid' => '6', 'token' => '7363f6aabd2b3dcf50ccbe88f3c5a8b2', ), 21 => array ( 'id' => '21', 'pid' => '6', 'token' => '8a986418ee5c8f713df6e9604005e69f', ), 22 => array ( 'id' => '22', 'pid' => '6', 'token' => '6311e80bcbe0d6a85675a31a608c1915', ), 23 => array ( 'id' => '23', 'pid' => '6', 'token' => '2624675dba4e5a337c2439e46e3e72e7', ), 24 => array ( 'id' => '24', 'pid' => '6', 'token' => '54cb492d5dd42153d4582a477d50801f', ), ), ), 7 => array ( 'id' => '7', 'pid' => '1', 'token' => 'e805b7b1c80fabb3254a811b03d863a9', ), 8 => array ( 'id' => '8', 'pid' => '1', 'token' => 'fa19fc35fc606ea8ee42220988a1dd13', ), 9 => array ( 'id' => '9', 'pid' => '1', 'token' => '7b719ab0aca16f75f7ff7d343b636b6b', ), 10 => array ( 'id' => '10', 'pid' => '1', 'token' => 'da54b292552224a177e98caa7343bfc4', ), 11 => array ( 'id' => '11', 'pid' => '1', 'token' => '05af12b7314e56ec1152df8755f2adad', ), ), ), 2 => array ( 'id' => '2', 'pid' => '0', 'token' => '22f0f784a4624e34f99464756edfa96d', ), 3 => array ( 'id' => '3', 'pid' => '0', 'token' => '35a86d0851e0a58e7586d21e2f35b542', ), 4 => array ( 'id' => '4', 'pid' => '0', 'token' => 'd6010381df2741f5fef54f0715bfab9e', ), 5 => array ( 'id' => '5', 'pid' => '0', 'token' => '1b0d79a0b84656aee02143b64e1c06cc', 'sons' => array ( 14 => array ( 'id' => '14', 'pid' => '5', 'token' => 'eb4595eb1f17a7135367b0d637a095ae', ), 15 => array ( 'id' => '15', 'pid' => '5', 'token' => '02622648a1c23d56a1c8d114897841e1', ), 16 => array ( 'id' => '16', 'pid' => '5', 'token' => '2ed8c0684e0bc2f6ad7c44c45c0e7008', ), 17 => array ( 'id' => '17', 'pid' => '5', 'token' => '3b3376d825dbb47e79b93972df61d87e', ), 18 => array ( 'id' => '18', 'pid' => '5', 'token' => '1acdddb596cdcfa1b22778b5fb04d958', ), 13 => array ( 'id' => '13', 'pid' => '5', 'token' => '7719c663ccd503f6de4bf039c7e7ddf6', ), ), ),);
多维数组中怎么搜索指定键名，然后返回关联父级
如：我搜索 token = 7719c663ccd503f6de4bf039c7e7ddf6
则：返回
$arr[5][sons][13]=array( id => '13', pid => '5', token => '7719c663ccd503f6de4bf039c7e7ddf6',);
我搜索 token = 858713efb349f93af67dadb49b8f6b5f 搜索不到
$arr = array ( 1 => array ( 'id' => '1', 'pid' => '0', 'token' => '1b0d714c66096a96c482936486e4c40e', 'sons' => array ( 12 => array ( 'id' => '12', 'pid' => '1', 'token' => 'a7dcfa46460ca637fa286c14ee57acdf', ), 6 => array ( 'id' => '6', 'pid' => '1', 'token' => '2e7518ec4f5289bff8f3e05116c4929e', 'sons' => array ( 19 => array ( 'id' => '19', 'pid' => '6', 'token' => '858713efb349f93af67dadb49b8f6b5f', ), 20 => array ( 'id' => '20', 'pid' => '6', 'token' => '7363f6aabd2b3dcf50ccbe88f3c5a8b2', ), 21 => array ( 'id' => '21', 'pid' => '6', 'token' => '8a986418ee5c8f713df6e9604005e69f', ), 22 => array ( 'id' => '22', 'pid' => '6', 'token' => '6311e80bcbe0d6a85675a31a608c1915', ), 23 => array ( 'id' => '23', 'pid' => '6', 'token' => '2624675dba4e5a337c2439e46e3e72e7', ), 24 => array ( 'id' => '24', 'pid' => '6', 'token' => '54cb492d5dd42153d4582a477d50801f', ), ), ), 7 => array ( 'id' => '7', 'pid' => '1', 'token' => 'e805b7b1c80fabb3254a811b03d863a9', ), 8 => array ( 'id' => '8', 'pid' => '1', 'token' => 'fa19fc35fc606ea8ee42220988a1dd13', ), 9 => array ( 'id' => '9', 'pid' => '1', 'token' => '7b719ab0aca16f75f7ff7d343b636b6b', ), 10 => array ( 'id' => '10', 'pid' => '1', 'token' => 'da54b292552224a177e98caa7343bfc4', ), 11 => array ( 'id' => '11', 'pid' => '1', 'token' => '05af12b7314e56ec1152df8755f2adad', ), ), ), 2 => array ( 'id' => '2', 'pid' => '0', 'token' => '22f0f784a4624e34f99464756edfa96d', ), 3 => array ( 'id' => '3', 'pid' => '0', 'token' => '35a86d0851e0a58e7586d21e2f35b542', ), 4 => array ( 'id' => '4', 'pid' => '0', 'token' => 'd6010381df2741f5fef54f0715bfab9e', ), 5 => array ( 'id' => '5', 'pid' => '0', 'token' => '1b0d79a0b84656aee02143b64e1c06cc', 'sons' => array ( 14 => array ( 'id' => '14', 'pid' => '5', 'token' => 'eb4595eb1f17a7135367b0d637a095ae', ), 15 => array ( 'id' => '15', 'pid' => '5', 'token' => '02622648a1c23d56a1c8d114897841e1', ), 16 => array ( 'id' => '16', 'pid' => '5', 'token' => '2ed8c0684e0bc2f6ad7c44c45c0e7008', ), 17 => array ( 'id' => '17', 'pid' => '5', 'token' => '3b3376d825dbb47e79b93972df61d87e', ), 18 => array ( 'id' => '18', 'pid' => '5', 'token' => '1acdddb596cdcfa1b22778b5fb04d958', ), 13 => array ( 'id' => '13', 'pid' => '5', 'token' => '7719c663ccd503f6de4bf039c7e7ddf6', ), ), ),);$token = '7719c663ccd503f6de4bf039c7e7ddf6';print_r(foo($arr, $token));$token = '858713efb349f93af67dadb49b8f6b5f';print_r(foo($arr, $token));function foo($arr, $token) { $ret = array(); foreach($arr as $k=>$v) { if(isset($v['token']) && $v['token'] == $token) $ret[$k] = $v; if(isset($v['sons'])) { $t = foo($v['sons'], $token); if($t) $ret[$k]['sons'] = $t; } } return $ret;} Array( [5] => Array ( [sons] => Array ( [13] => Array ( [id] => 13 [pid] => 5 [token] => 7719c663ccd503f6de4bf039c7e7ddf6 ) ) ))Array( [1] => Array ( [sons] => Array ( [6] => Array ( [sons] => Array ( [19] => Array ( [id] => 19 [pid] => 6 [token] => 858713efb349f93af67dadb49b8f6b5f ) ) ) ) ))
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：开发安全指南：如何安全地储存用户密码Next article：php实现中文转数字，实现方式很智能很php