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PHP Array

PHP array for beginners and professionals with examples, php file, php session, php date, php array, php form, functions, time, xml, ajax, php mysql, regex, string, oop

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PHP Arrays

PHP array is an ordered map (contains value on the basis of key). It is used to hold multiple values of similar type in a single variable.

Advantage of PHP Array

Less Code: We don't need to define multiple variables.

Easy to traverse: By the help of single loop, we can traverse all the elements of an array.

Sorting: We can sort the elements of array.

PHP Array Types

There are 3 types of array in PHP.

  1. Indexed Array
  2. Associative Array
  3. Multidimensional Array

PHP Indexed Array

PHP index is represented by number which starts from 0. We can store number, string and object in the PHP array. All PHP array elements are assigned to an index number by default.

There are two ways to define indexed array:

1st way:

$season=array("summer","winter","spring","autumn");

2nd way:

$season[0]="summer";
$season[1]="winter";
$season[2]="spring";
$season[3]="autumn";

Example

File: array1.php 
<?php
$season=array("summer","winter","spring","autumn");
echo "Season are: $season[0], $season[1], $season[2] and $season[3]";
?>

Output:

Season are: summer, winter, spring and autumn
File: array2.php 
<?php
$season[0]="summer";
$season[1]="winter";
$season[2]="spring";
$season[3]="autumn";
echo "Season are: $season[0], $season[1], $season[2] and $season[3]";
?>

Output:

Season are: summer, winter, spring and autumn
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PHP Associative Array

We can associate name with each array elements in PHP using => symbol.

There are two ways to define associative array:

1st way:

$salary=array("Sonoo"=>"350000","John"=>"450000","Kartik"=>"200000");

2nd way:

$salary["Sonoo"]="350000";
$salary["John"]="450000";
$salary["Kartik"]="200000";

Example

File: arrayassociative1.php 
"350000","John"=>"450000","Kartik"=>"200000");  
echo "Sonoo salary: ".$salary["Sonoo"]."
";
echo "John salary: ".$salary["John"]."
";
echo "Kartik salary: ".$salary["Kartik"]."
";
?>

Output:

Sonoo salary: 350000
John salary: 450000
Kartik salary: 200000
File: arrayassociative2.php 
";
echo "John salary: ".$salary["John"]."
";
echo "Kartik salary: ".$salary["Kartik"]."
";
?>

Output:

Sonoo salary: 350000
John salary: 450000
Kartik salary: 200000
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PHP Multidimensional Array

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Next TopicPHP Indexed Array




Related Links:

.Net

.NET Array Dictionary List String 2D Async DataTable Dates DateTime Enum File For Foreach Format IEnumerable If IndexOf Lambda LINQ Parse Path Process Property Regex Replace Sort Split Static StringBuilder Substring Switch Tuple

Java

Core Array ArrayList HashMap String 2D Cast Character Console Deque Duplicates File For Format HashSet If IndexOf Lambda Math ParseInt Process Random Regex Replace Sort Split StringBuilder Substring Switch Vector While

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