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php-advanced-arrays/index.php

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<html>
<head>
<title>Array Review</title>
</head>
<body>
<p>
<?php
$fruits = array("bananas", "apples", "pears");
echo 'I love eating ' . $fruits[1] . ' too!';
?>
</p>
<p>
<?php
// This is an array using integers as the indices...
$myArray = array(2012, 'blue', 5);
// ...and this is an associative array:
$myAssocArray = array('year' => 2012,
'colour' => 'blue',
'doors' => 5);
// This code will output "blue"...
echo $myArray[1];
echo '<br />';
// ... and this will also output "blue"!
echo $myAssocArray['colour'];
?>
</p>
<p>
<?php
// This is an array using integers as the indices.
// Add 'BMW' as the last element in the array!
$car = array(2012, 'blue', 5, 'BMW');
// This is an associative array.
// Add the make => 'BMW' key/value pair!
$assocCar = array('year' => 2012,
'colour' => 'blue',
'doors' => 5,
'make' => 'BMW');
// This code should output "BMW"...
echo $car[3];
echo '<br />';
// ...and so should this!
echo $assocCar['make'];
?>
</p>
<p>
<?php
// This is an array using integers as the indices...
$myCar = array(2012, 'blue', 5, 'BMW');
// ...and this is an associative array:
$myCarAssocArray = array('year' => 2012,
'colour' => 'blue',
'doors' => 5,
'make' => 'BMW');
// This code will output "blue".
echo $myCar[1];
echo '<br />';
// Add your code here!
echo 'I have a ' . $myCarAssocArray['year'] . ' ' . $myCarAssocArray['make'] . '. It is ' . $myCarAssocArray['colour'] . ' and has ' . $myCarAssocArray['doors'] . ' doors.';
?>
</p>
<p>
<?php
$food = array('pizza', 'salad', 'burger');
$salad = array('lettuce' => 'with',
'tomato' => 'without',
'onions' => 'with');
$pizza = array('cheese' => 'with',
'pepperoni' => 'without',
'mushrooms' => 'with');
$burger = array('cheese' => 'without',
'bread' => 'without',
'bacon' => 'with',
'onions' => 'without',
'lettuce' => 'with',
'mayo' => 'with',
'pickles' => 'with');
// Looping through an array using "for".
// First, let's get the length of the array!
$length = count($food);
// Remember, arrays in PHP are zero-based:
for ($i = 0; $i < $length; $i++) {
echo $food[$i] . '<br />';
}
echo '<br /><br />I want my salad:<br />';
// Loop through an associative array using "foreach":
foreach ($salad as $ingredient=>$include) {
echo $include . ' ' . $ingredient . '<br />';
}
// Create your own array here and loop
// through it using foreach!
echo '<br /><br />I want my pizza:<br />';
foreach ($pizza as $ingredient=>$include) {
echo $include . ' ' . $ingredient . '<br />';
}
echo '<br /><br />I want my burger:<br />';
foreach ($burger as $ingredient=>$include) {
echo $include . ' ' . $ingredient . '<br />';
}
?>
</p>
<p>
<?php
$deck = array(array('2 of Diamonds', 2),
array('5 of Diamonds', 5),
array('7 of Diamonds', 7),
array('Jack of Hearts', 10));
// Imagine the first chosen card was the 7 of Diamonds.
// This is how we would show the user what they have:
echo 'You have the ' . $deck[3][0] . '!';
?>
</p>
<p>
<?php
// On the line below, create your own associative array:
$myArray = array('pizza', 'rice', 'pasta', 'chips');
$pizza = array('gluten' => 'wheat',
'dairy' => 'cheese');
// On the line below, output one of the values to the page:
// On the line below, loop through the array and output
// *all* of the values to the page:
// Looping through an array using "for".
// First, let's get the length of the array!
$length = count($myArray);
// Remember, arrays in PHP are zero-based:
for ($i = 0; $i < $length; $i++) {
echo $myArray[$i] . '<br />';
}
echo '<br /><br /> This contains contains:<br />';
// Loop through an associative array using "foreach":
foreach ($pizza as $ingredient=>$include) {
echo $include . ' ' . $ingredient . '<br />';
}
?>
</p>
</body>
</html>