Question

Wap in PHP to show how will your work with associative, indexed arrays. ​

Answer 1

Answer:

The associative arrays have names keys that is assigned to them. ... Let us see an example− $arr = array( "p"=>"150", "q"=>"100", "r"=>"120", "s"=>"110", "t"=>"115"); Above, we can see key and value pairs in the array.

Answer 2

Explanation:

There are two ways to create an associative array: 

$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");

or:

$age['Peter'] = "35";

$age['Ben'] = "37";

$age['Joe'] = "43";

The named keys can then be used in a script:

Example

<?php

$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");

echo "Peter is " . $age['Peter'] . " years old.";

?>

Try it Yourself »

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

<?php

$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");

foreach($age as $x => $x_value) {

  echo "Key=" . $x . ", Value=" . $x_value;

  echo "<br>";

}

?>

Try it Yourself »

Complete PHP Array Reference

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

The reference contains a brief description, and examples of use, for each function!

PHP Exercises

Test Yourself With Exercises

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Create an associative array containing the age of Peter, Ben and Joe.

$age = array("Peter""35", "Ben""37", "Joe""43");