To create a multidimensional array in PHP, we following the general format below. key. In PHP, there are three types of arrays: Indexed arrays - Arrays with numeric index; Associative arrays - Arrays with named keys; Multidimensional arrays - Arrays containing one or more arrays Writing code in comment? PHP Push MultiDimensional Array: In this tutorial you learn how to push one multi-dimensional array into another, there are various examples are available which will exemplify. PHP | fopen( ) (Function open file or URL), PHP | Converting string to Date and DateTime. This page explains how to sort a multidimensional array in PHP.This frequently happens when the array is the result of a database query. As each element value of the array can be any type it means that it can be other array as well. PHP: Multidimensional Arrays Array does not have to be a simple list of keys and values; each array element can contain another array as a value, which in turn can hold other arrays as well. Now we’ll see how we can get specific key, values from multidimensional arrays using the array_column() function. The advantage of multidimensional arrays is that they allow us to group related data together. Associative array stores the data in the form of key and value pairs where the key can be an integer or string. First, take a look at the following table: We can store the data from the table above in a two-dimensional array, like this: Now the two-dimensional $cars array contains four arrays, and it has two indices: row and column. × PHP Multidimensional Arrays. As the name suggests, every element in this array can be an array and they can also hold other sub-arrays within. While that looks strange in this simple example, it's actually more useful in cases where one of the values already is an array, and you want to merge another item in that array… How to delete an array element based on key in PHP? If an array element value is another array then this is a multidimensional array. The advantage of multidimensional arrays is that they allow us to group related data together. ; Multidimensional arrays – An array of arrays. The reference contains a brief description, and examples of use, for each function! Indexed array— An array with a numeric key. A multidimensional array is an array of arrays. Previously we demonstrated how the json_encode function can be used to pass PHP arrays to JSON strings and JavaScript arrays. Arrays in PHP. Write Interview Dimensions: Dimensions of multidimensional array indicates the number of indices needed to select an element. How to convert a string into number in PHP? Using them we can sort one-dimensional array by key, by value, in reverse order, and so forth. Example of Multidimensional array in PHP