get value from multidimensional array php

In the previous article we introduced the PHP array length to get the method, but the array is divided into one-dimensional array, multidimensional array, then this article describes the PHP count to get a multidimensional array length

array_multisort-to sort multiple arrays or multidimensional arrays Description BOOL Array_multisort (array ar1 [, mixed arg [, mixed ... [, array ...]] ) Array_multisort (PHP 4, PHP 5) Returns TRUE if successful, and returns FALSE if it

For Web programming, the most important thing is to access and read and write data. There may be many ways to store them, such as strings, arrays, files, and so on. arrays, which can be said to be a more important way of using PHP data. PHP's Array

Array_multisort (PHP 4, PHP 5) Array_multisort-Sort multiple arrays or multidimensional arrays Description BOOL Array_multisort (array ar1 [, mixed arg [, mixed ... [, array ...]] ) Returns TRUE if successful, and FALSE if it fails. Array_multisort

Sorting 2-D arrays or multidimensional arrays is a common problem, in PHP we have a special multidimensional array sorting function, the following briefly:Array_multisort (array1,sorting order, sorting type,array2,array3. is a function that sorts

basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Gets the value of the array Array_keys ($arr), gets the key name of the array array_flip ($arr), and the values in the array are exchanged with the key

PHP has a lot of functions about arrays to facilitate array manipulation. Defined: Each entity of an array contains two items: key and value, which can be retrieved by a query key. These keys can be numeric (numerical) or associated (associative)

Learn PHP's array summary "experience", PHP array Summary PHP has a lot of functions for arrays, which makes it easy to manipulate arrays. Defined: The array contains two items per entity: Key and value, which can be obtained by querying the key.

PHP array definition and array traversal, PHP Array function usage and examples, PHP array value assignment, PHP multidimensional array of the loop output, etc., for everyone to learn reference. 1, PHP array definition and traversal 2, PHP

PHP Arraysarray Basic writing format:1: Simple form Array ("AA", 12,true,2.2, "test", ";");2: Full form Array ("title" = "AA", "Age" =>20); This format creates a key name for an array, and if you create a key name, you cannot pass subscript 0,1,2 ...