PHP Array

Array is used to store the collection of values store by same name and same data type .There are three different kind of arrays and each array value is access using an ID which is called array index.

There are three type of array in PHP.

1 Numeric Arrays

2 Associative Arrays

3 Multidimensional Array
                                        

Numeric Array: An Array with numeric index. Values are store and access in linear manner.

Associative Arrays: An array with strings as index. This store element values in Association with key values rather than in a strict linear index order.

Multidimensional Array : An array containing one or more arrays and values are accessed using multiple indices

Array( ) is used to store the value in array.

Declaration of Array

<?php

$name=array (“Raman”,”Deep”,”Pardeep”,”Sapna”,”Neelam”);

echo “my name is”. name [0];

?>

The another way of declaration of array is

<?php

$name=array (“Raman”,”Deep”,”Pardeep”,”Sapna”,”Neelam”);

echo “my name is”. name [0];

?>

The another way of declaration of array is

<?php

$color[]=”red”;

$color[]=”green”;

$color[]=”blue”;

$color[]=”white”;

print_r($color);

?>
Array Function 

Function Name	Description
Array( )	Is used to create array()
Array chunk()	Splits an array into chunks of arrays
Sort ()	This is used to sort the array
Array combine ()	Create an array by using one array for keys  and another for its value
Array_diff ()	Compare array values and return the difference
Array fill()	Fills an array with values
Asort( )	Sort an array and maintain index association
End()	Set the internal pointer of an array to its last element
In array( )	Checks if a value exists in an array
Shuffle( )	Shuffle an array
Size of ( )	Alias of count
Array sum( )	Calculate the sum of values in an array
Array reverse	Return an array with elements in reverse order
Array replace	Replace element from passed array into first array