About Associative Array
A set of unique keys linked to a set of values. Each unique key is associated with a value. Think of it as a two column table. MyArray['CA'] = 'California' MyArray['AR'] = 'Arizona'
Complete Example
Here is a complete example:
<html>
<head><title>PHP Hello World Example</title></head>
<body>
<?PHP
//Declare associative array with initial known values.
$prices = array( 'Tires'=>100, 'Spark Plugs'=>4 );
//Add to associative array. (You can just assign values without ever declaring it too!)
$prices['Oil'] = 10;
//Usage Example 1
echo "<br><br>Example 1<br>";
echo "Tires=" . $prices['Tires'] . "<br>";
echo "Oil=" . $prices['Oil'] . "<br>";
//Usage Example 2 - foreach loop with $key and $value
echo "<br><br>foreach loop<br>";
foreach ($prices as $key => $value)
echo $key.'=>'.$value.'<br />';
//
//Clear it for another use.
//
echo "<br><br>reset example<br>";
reset($prices);
$prices['Computer'] = 700;
$prices['monitor'] = 200;
$prices['mouse'] = 15;
foreach ($prices as $key => $value)
echo $key.'=>'.$value.'<br />';
?>
</body>
</html>
PHP
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