PHP Array Usage and types

Arrays are variables that can hold more than one value. Here are some more key facts about arrays in PHP:

Arrays are variables that can hold more than one value. Here are some more key facts about arrays in PHP:
An array can hold any number of values, including no values at all.
Each value in an array is called an element.
You access each element via its index, which is a numeric or string value. Every element in an array has its own unique index.
An element can store any type of value, such as an integer, a string, or a Boolean. You can mix types within an array — for example, the first element can contain an integer, the second can contain a string, and so on.
An array’s length is the number of elements in the array.
An array element’s value can itself be an array. This allows you to create multidimensional arrays.

PHP lets you create 3 types of array:

Indexing Array :

array(“abc”,”def”);

Associative Array :

array(‘a’ => ‘value’,’b’=>’second value’);

Multidimensional Array :

array( array(‘a’,’b’) );

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