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PHP Associative Array

PHP associative 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 Associative Array

PHP allows you to associate name/label with each array elements in PHP using => symbol. Such way, you can easily remember the element because each element is represented by label than an incremented number.

Definition

There are two ways to define associative array:

1st way:

$salary=array("Sonoo"=>"550000","Vimal"=>"250000","Ratan"=>"200000");

2nd way:

$salary["Sonoo"]="550000";
$salary["Vimal"]="250000";
$salary["Ratan"]="200000";

Example

File: arrayassociative1.php 
"550000","Vimal"=>"250000","Ratan"=>"200000");
echo "Sonoo salary: ".$salary["Sonoo"]."
";
echo "Vimal salary: ".$salary["Vimal"]."
";
echo "Ratan salary: ".$salary["Ratan"]."
";
?>

Output:

Sonoo salary: 550000
Vimal salary: 250000
Ratan salary: 200000
File: arrayassociative2.php 
";
echo "Vimal salary: ".$salary["Vimal"]."
";
echo "Ratan salary: ".$salary["Ratan"]."
";
?>

Output:

Sonoo salary: 550000
Vimal salary: 250000
Ratan salary: 200000

Traversing PHP Associative Array

By the help of PHP for each loop, we can easily traverse the elements of PHP associative array.

"550000","Vimal"=>"250000","Ratan"=>"200000");
foreach($salary as $k => $v) {
echo "Key: ".$k." Value: ".$v."
";
}
?>

Output:

Key: Sonoo Value: 550000
Key: Vimal Value: 250000
Key: Ratan Value: 200000
Next TopicPHP Multidimensional Array




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