functionrecursiveSearch($array,$searchValue){foreach($arrayas$key=>$value) {if(is_array($value)) {$result=recursiveSearch($value,$searchValue);if($result!==false) {return$result; } }else{if($value==$searchValue) {return$key; } } }returnfalse; }$multidimensionalArray= ['key1'=>'val...
Searching in Multidimensional ArraysFor multidimensional arrays, combine array_search with array_column. multi_array_search.php <?php $users = [ ["id" => 1, "name" => "Alice"], ["id" => 2, "name" => "Bob"], ["id" => 3, "name" => "Charlie"] ]; $key = array_search("...
使用array_column 和in_array:如果你需要在一个多维数组中查找一个值,可以使用 array_column 函数从数组中提取一个特定列,然后使用 in_array 函数检查该列中的值是否存在。$multiDimensionalArray = array( array('id' => 1, 'name' => 'value1'), array('id' => 2, 'name' => 'value2'), array(...
首先使用 is_array() 函数来判断传入的变量是否为一个数组。然后使用 array_values() 函数将数组的值放入一个新的索引数组中。然后遍历新的索引数组,对每个值再次使用 is_array() 函数来判断其是否为一个数组,如果是,则说明传入的数组不是一维数组,返回 false。如果遍历完毕后都没有发现内部数组,说明传入的数组...
array(1,"Ram","21000"), array(2,"Rohan","20000"), array(3,"Mohan","30000"), ); You can also try this code withOnline PHP Compiler Run Code Traversing Multidimensional Array We can traverse the multidimensional array using the nested loop. ...
== false) { echo 'value is in multidim array'; } else { echo 'value is not in multidim array'; } 这个想法在 PHP 手册中 array_search() 的注释部分; 原文由 user559533 发布,翻译遵循 CC BY-SA 3.0 许可协议 有用 回复 查看全部 2 个回答...
You might know how to find a value in an array or in a one dimensional array, but the same technique doesn’t work in a multidimensional array. So, you’re looking for the solution. Solution: Example: [php]<?php function multi_array_search($search_for, $search_in) { ...
Array Push, POP PHP | PHP Array Tutorial PHP Search Multidimensional Array By key, value and return key json_encode()- Convert Array To JSON | Object To JSON PHP PHP remove duplicates from multidimensional array PHP Remove Duplicate Elements or Values from Array PHP ...
Multidimensional Arrays explained PHP Sorting Arrays sort() - Sort array in ascending alphabetical ordersort() - Sort array in ascending numerical orderrsort() - Sort array in descending alphabetical orderrsort() - Sort array in descending numerical orderasort() - Sort array in ascending order, ...
[5] => Array ( [a] => 4 [b] => 5 [c] => 6 ) [8] => Array ( [a] => 7 [b] => 8 [c] => 9 ) ) In php how to get all keys of multidimensional array with unknown, I need to get all the keys from this array. I tried with a recursive call but only get first...