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Practicals

PHP Theory

Arrays in PHP:

An array is a collection(or blend) of elements. And it is used to store the multiple values in one variable. Each value stored in an array is called an element of the array.

Types of Arrays in PHP

How to create an array in PHP

Syntax
$skill = array( values );

Indexed arrays

An indexed arrays or Numeric arrays are used to store any type of elements with numberic index. The numeric index is starts from zero. There are two methods to create indexed arrays

Example
First method: $skillpundit = array("C", "Java", "PHP","Python");
Example
Second method: $skillpundit[0] = "C";
$skillpundit[1] = "Java";
$skillpundit[2] = "PHP";
$skillpundit[3] = "Python";

Associative arrays

In associative array, the keys assigned to values.

Example
$salary= array("Gowtham" =>15000, "Arjun" =>35000, "John" =>50000);
$salary["Gowtham"] = "15000";
$salary["Arjun"] = "35000";
$salary["John"] = "50000";

Multidimensional arrays

A multi-dimensional array each element within the primary array can also be an array.

Example
$favorites = array(
array(
"name" => "John",
"course" => "Python" ,
),
 array(
"name" => "Ram",
"course" => "Java",
),
 array(
"name" => "Peter",
"course" => "Android",
)
 );