(E-7) - Array in PHP (Part-1)
“Array is a variable which can hold multiple values in a single variable name.”
Note – As PHP is a dynamically typed programing language, it allows storing data of different types in a single array unlike other programming languages like Java, C#, etc.
Syntax:
$a=array( ); // $a=[ ];
Types: There are 2 types of arrays in PHP
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On the basis of keys
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1. Indexed Array - Key not needed to specify. Default key assigned from 0 to n-1. (N=Size of the array)
2. Associative Array – We can associate every value of the array to any name, these names must be unique and will be considered as keys of the array.
On the basis of Dimensions
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1. One-Dimensional Array (1-d) – Array which holds values directly.
Example - details of a single employee in the company.
2. Multi-Dimensional Array (n-d) – Array which holds an array inside it.
Example – Details of all the employees in the company.
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