Now the two-dimensional $cars array contains four arrays, and it has two indices: row and column.To get access to the elements of the $cars array we must point to the two indices (row and column):Example <?phpe
原文:http://php.net/manual/zh/function.array-column.php 如果你的php版本没有array_column函数,那么可以用一下代码代替: <?php /** * This file is part of the array_column library * * For the full copyright and license information, please view the LICENSE * file that was distributed with th...
trigger_error("array_column() expects at least 2 parameters, {$argc} given", E_USER_WARNING); return null; } if (!is_array($params[0])) { trigger_error( 'array_column() expects parameter 1 to be array, ' . gettype($params[0]) . ' given', E_USER_WARNING ); return null; }...
In this PHP tutorial, you shall learn about Two-dimensional Arrays, how to created 2D arrays, access elements of 2D arrays, and traverse the inner arrays of a 2D array, with example programs. Multi-dimensional Arrays in PHP Multi-dimensional Arrays are the arrays in which one or more elemen...
例子3. Sorting multi-dimensional array <?php $ar = array( array(“10″, 11, 100, 100, “a”), array( 1, 2, “2″, 3, 1) ); array_multisort($ar[0], SORT_ASC, SORT_STRING, $ar[1], SORT_NUMERIC, SORT_DESC); var_dump($ar); ...
Change Elements in a Multi-Dimensional Array To change the value of an element, refer to the index number of the element in each of the dimensions: Example string letters[2][4] = { {"A","B","C","D"}, {"E","F","G","H"} ...
Example #2 Sorting multi-dimensional array <?php$ar = array( array("10", 11, 100, 100, "a"), array( 1, 2, "2", 3, 1) );array_multisort($ar[0], SORT_ASC, SORT_STRING, $ar[1], SORT_NUMERIC, SORT_DESC);var_dump($ar);?> In this example, after sorting, the first arr...
The array_multisort of Array for PHP sorts multiple or multi-dimensional arrays. Syntax array_multisort( array &$array1, mixed $array1_sort_order = SORT_ASC, mixed $array1_sort_flags = SORT_REGULAR, mixed ...$rest ): bool Parameters array1 ...
Purpose: Sort a 2-dimensional array on some key(s)Advantage of function: - uses PHP's array_multisort function for sorting;- it prepares the arrays (needed by array_multisort) for you;- allows the sort criteria be passed as a separate array (It is possible to use sort order and ...
array(4) { [0]=> int(4) [1]=> int(1) [2]=> int(2) [3]=> int(3) } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Example #2 Sorting multi-dimensional array <?php $ar = array( array("10", 11, 100, 100, "a"), ...