Folders renumbered

Folders renumbered

06/01.php

@@ -0,0 +1,8 @@
+<?php
+  $paper[] = "Copier";
+  $paper[] = "Inkjet";
+  $paper[] = "Laser";
+  $paper[] = "Photo";
+
+  print_r($paper);
+?>

06/02.php

@@ -0,0 +1,8 @@
+<?php
+  $paper[0] = "Copier";
+  $paper[1] = "Inkjet";
+  $paper[2] = "Laser";
+  $paper[3] = "Photo";
+
+  print_r($paper);
+?>

06/03.php

@@ -0,0 +1,9 @@
+<?php
+  $paper[] = "Copier";
+  $paper[] = "Inkjet";
+  $paper[] = "Laser";
+  $paper[] = "Photo";
+
+  for ($j = 0 ; $j < 4 ; ++$j)
+    echo "$j: $paper[$j]<br>";
+?>

06/04.php

@@ -0,0 +1,8 @@
+<?php
+  $paper['copier'] = "Copier & Multipurpose";
+  $paper['inkjet'] = "Inkjet Printer";
+  $paper['laser']  = "Laser Printer";
+  $paper['photo']  = "Photographic Paper";
+
+  echo $paper['laser'];
+?>

06/05.php

@@ -0,0 +1,12 @@
+<?php
+  $p1 = array("Copier", "Inkjet", "Laser", "Photo");
+
+  echo "p1 element: " . $p1[2] . "<br>";
+
+  $p2 = array('copier' => "Copier & Multipurpose",
+              'inkjet' => "Inkjet Printer",
+              'laser'  => "Laser Printer",
+              'photo'  => "Photographic Paper");
+
+  echo "p2 element: " . $p2['inkjet'] . "<br>";
+?>

06/06.php

@@ -0,0 +1,10 @@
+<?php
+  $paper = array("Copier", "Inkjet", "Laser", "Photo");
+  $j = 0;
+
+  foreach($paper as $item)
+  {
+    echo "$j: $item<br>";
+    ++$j;
+  }
+?>

06/07.php

@@ -0,0 +1,9 @@
+<?php
+  $paper = array('copier' => "Copier & Multipurpose",
+                 'inkjet' => "Inkjet Printer",
+                 'laser'  => "Laser Printer",
+                 'photo'  => "Photographic Paper");
+
+  foreach($paper as $item => $description)
+    echo "$item: $description<br>";
+?>

06/08.php

@@ -0,0 +1,18 @@
+<?php
+  $paper = array('copier' => "Copier & Multipurpose",
+                 'inkjet' => "Inkjet Printer",
+                 'laser'  => "Laser Printer",
+                 'photo'  => "Photographic Paper");
+
+  while (list($item, $description) = myEach($paper))
+    echo "$item: $description<br>";
+
+  function myEach(&$array) // Replacement for the deprecated each function
+  {
+    $key    = key($array);
+    $result = ($key === null) ? false :
+              [$key, current($array), 'key', 'value' => current($array)];
+    next($array);
+    return $result;
+  }
+?>

06/09.php

@@ -0,0 +1,4 @@
+<?php
+  list($a, $b) = array('Alice', 'Bob');
+  echo "a=$a b=$b";
+?>

06/10.php

@@ -0,0 +1,32 @@
+<?php
+  $products = array(
+
+    'paper' => array(
+
+      'copier' => "Copier & Multipurpose",
+      'inkjet' => "Inkjet Printer",
+      'laser'  => "Laser Printer",
+      'photo'  => "Photographic Paper"),
+
+    'pens' => array(
+
+      'ball'   => "Ball Point",
+      'hilite' => "Highlighters",
+      'marker' => "Markers"),
+
+    'misc' => array(
+
+      'tape'   => "Sticky Tape",
+      'glue'   => "Adhesives",
+      'clips'  => "Paperclips"
+    )
+  );
+
+  echo "<pre>";
+
+  foreach($products as $section => $items)
+    foreach($items as $key => $value)
+      echo "$section:\t$key\t($value)<br>";
+
+  echo "</pre>";
+?>

06/11.php

@@ -0,0 +1,28 @@
+<?php
+
+// This example is corrected from the one in the book,
+// which had two extra blank rows in the center.
+
+$chessboard = array(
+	array('r', 'n', 'b', 'q', 'k', 'b', 'n', 'r'),
+	array('p', 'p', 'p', 'p', 'p', 'p', 'p', 'p'),
+	array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '),
+	array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '),
+	array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '),
+	array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '),
+	array('P', 'P', 'P', 'P', 'P', 'P', 'P', 'P'),
+	array('R', 'N', 'B', 'Q', 'K', 'B', 'N', 'R')
+  );
+
+  echo "<pre>";
+
+  foreach($chessboard as $row)
+  {
+    foreach ($row as $piece)
+      echo "$piece ";
+
+    echo "<br>";
+  }
+
+  echo "</pre>";
+?>

06/12.php

@@ -0,0 +1,4 @@
+<?php
+  $temp = explode(' ', "This is a sentence with seven words");
+  print_r($temp);
+?>

06/13.php

@@ -0,0 +1,4 @@
+<?php
+  $temp = explode('***', "A***sentence***with***asterisks");
+  print_r($temp);
+?>

06/14.php

@@ -0,0 +1,12 @@
+<?php
+  $fname         = "Doctor";
+  $sname         = "Who";
+  $planet        = "Gallifrey";
+  $system        = "Gridlock";
+  $constellation = "Kasterborous";
+
+  $contact = compact('fname', 'sname', 'planet', 'system', 'constellation');
+
+  print_r($contact);
+?>
+

06/15.php

@@ -0,0 +1,8 @@
+<?php
+  $j       = 23;
+  $temp    = "Hello";
+  $address = "1 Old Street";
+  $age     = 61;
+
+  print_r(compact(explode(' ', 'j temp address age')));
+?>