PHP Associative Arrays

Postado 2024-05-17 08:01:14

PHP Associative Arrays

Associative arrays are arrays that use named keys that you assign to them.

ExampleGet your own PHP Server

$car = array("brand"=>"Ford", "model"=>"Mustang", "year"=>1964);
var_dump($car);

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Access Associative Arrays

To access an array item you can refer to the key name.

Example

Display the model of the car:

$car = array("brand"=>"Ford", "model"=>"Mustang", "year"=>1964);
echo $car["model"];

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Change Value

To change the value of an array item, use the key name:

Example

Change the year item:

$car = array("brand"=>"Ford", "model"=>"Mustang", "year"=>1964);
$car["year"] = 2024;
var_dump($car);

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Loop Through an Associative Array

To loop through and print all the values of an associative array, you could use a foreach loop, like this:

Example

Display all array items, keys and values:

$car = array("brand"=>"Ford", "model"=>"Mustang", "year"=>1964);

foreach ($car as $x => $y) {
  echo "$x: $y <br>";
}

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For a complete reference of all array functions, go to our complete PHP Array Reference.

PHP Exercises

PHP_Associative_Arrays

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