Comparison of programming languages (associative array): Difference between revisions

Revision as of 16:31, 27 December 2012

Revision as of 16:38, 20 January 2013

Line 774:

<source lang=PHP>

$phonebook = array ();

$phonebook['Sally Smart'] = '555-9999';

$phonebook['John Doe'] = '555-1212';

$phonebook['J. Random Hacker'] = '555-1337';

// or

$phonebook = array (

'Sally Smart' => '555-9999',

'John Doe' => '555-1212',

'J. Random Hacker' => '555-1337',

);

// or

$phonebook['contacts']['Sally Smart']['number'] = '555-9999';

$phonebook['contacts']['JohnSally DoeSmart']['number'] = '555-12129999';

$phonebook['contacts']['SallyJohn SmartDoe']['number'] = '555-99991212';

$phonebook['contacts']['J. Random Hacker']['number'] = '555-1337';

</source>

Line 796 ⟶ 797:

<source lang=PHP>

foreach ($phonebook as $name => $number) {

echo "'Number for ', $name, ': ', $number, "\n";

}

// For the last array example it is used like this

foreach($phonebook['contacts'] as $name => $num) {

echo 'Name: ', $name, ', number: ', $num['number'], "\n";

{

echo "<div>Name:{$name}</div>";

echo "<div>Number:{$num['number']}</div>";

}

</source>

Line 810 ⟶ 809:

PHP has an [http://php.net/array extensive set of functions] to operate on arrays.

If you want an associative array that can use objects as keys instead of strings and integers, you can use the [http://www.php.net/manual/en/class.splobjectstorage.phpSplObjectStorage SplObjectStorage] class from the Standard PHP Library (SPL).

===Pike===