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Array Demo (10/20)
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arr.php       arr.php 
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Arrays</title>
  </head>
  <body>
    <p>
      <?php
	$joe = array(5, 'Sam', 3.459, 11, 'Joe', 'alex');
	echo $joe[1], " ", $joe[0], " ", $joe[3], "\n";
	$joe[1] = 333;
	echo "<br>",$joe[1], " ", $joe[0], " ", $joe[3], "\n";
	echo "<br>";
	for($i = 0; $i < count($joe); ++$i) {
			 echo $joe[$i], " ";
			 }
			 echo "<br>";
			 foreach($joe as $x) {
			 echo $x, " ";
			 }

    $mike = array('mike' => 'smith', 'al' => 'capone', 'santa' => 'clause',
    		  'twilight' => 'zone', 'whatever' => 'next');
    echo "<br>", $mike['al'], " ", $mike['whatever'], " ", $mike['santa'], "\n";

    echo "<br>";
    foreach($mike as $x) {
        echo $x, " ";
    }
    echo "<br>";
    foreach($mike as $k => $v) {
        echo "$k => $v, ";
    }
    echo "<br>";
    foreach($joe as $k => $v) {
        echo "$k => $v, ";
    }
  ?>
  </body>
</html>