updated chapter6

Author: gunnard

Dockerfile

@@ -1,4 +1,4 @@
-FROM php:8.0-fpm
+FROM php:8.1.3-fpm
 
 # Install system dependencies
 RUN apt-get update && apt-get install -y git vim

hive

@@ -16,7 +16,7 @@ if [ $# -gt 0 ];then
     fi
     if [ "$1" == "build" ]; then
         shift 1
-        $COMPOSE build --parallel && $COMPOSE up 
+        $COMPOSE build && $COMPOSE up 
     fi
     if [ "$1" == "test" ]; then
         shift 1

public/chapter6/arrayManip.php

@@ -0,0 +1,23 @@
+<?php
+$arr = array(5 => 1, 12 => 2);
+var_dump($arr);
+echo "<br />";
+
+$arr[] = 56;    // This is the same as $arr[13] = 56;
+                // at this point of the script
+var_dump($arr);
+echo "<br />";
+
+$arr["x"] = 42; // This adds a new element to
+                // the array with key "x"
+var_dump($arr);
+echo "<br />";
+                
+unset($arr[5]); // This removes the element from the array
+var_dump($arr);
+echo "<br />";
+
+unset($arr);    // This deletes the whole array
+echo "<br /> Fatal error because it does not exist";
+
+var_dump(arr);

public/chapter6/firstArray.php

@@ -0,0 +1,16 @@
+<?php
+
+$array1 = array(
+    "foo" => "bar",
+    "bar" => "foo",
+);
+
+// Using the short array syntax
+$array2 = [
+    "foo2" => "bar2",
+    "bar2" => "foo2",
+];
+
+var_dump($array1);
+echo '<br />';
+var_dump($array2);

public/chapter6/firstArray2.php

@@ -0,0 +1,8 @@
+<?php
+$array = array(
+    "foo" => "bar",
+    "bar" => "foo",
+    100   => -100,
+    -100  => 100,
+);
+var_dump($array);

public/chapter6/firstArray3.php

@@ -0,0 +1,3 @@
+<?php
+$array = array("foo", "bar", "hello", "world");
+var_dump($array);

public/chapter6/firstArray4.php

@@ -0,0 +1,14 @@
+<?php
+$array = array(
+    "bar" => "foo",
+    24    => 42,
+    "multi" => array(
+         "dimensional" => array(
+             "array" => "foobar"
+         )
+    )
+);
+
+var_dump($array["bar"]);
+var_dump($array[24]);
+var_dump($array["multi"]["dimensional"]["array"]);

public/chapter6/multiArray1.php

@@ -0,0 +1,21 @@
+<?php
+$cars = array (
+  array("Subaru",21,17),
+  array("Toyota",13,12),
+  array("Lexus",6,8),
+  array("Ford",14,10)
+);
+
+echo $cars[0][0].": In available: ".$cars[0][1].", sold: ".$cars[0][2].".<br>";
+echo $cars[1][0].": In available: ".$cars[1][1].", sold: ".$cars[1][2].".<br>";
+echo $cars[2][0].": In available: ".$cars[2][1].", sold: ".$cars[2][2].".<br>";
+echo $cars[3][0].": In available: ".$cars[3][1].", sold: ".$cars[3][2].".<br>";
+
+for ($row = 0; $row < 4; $row++) {
+  echo "<p><b>Row #$row -- {$cars[$row][0]}</b></p>";
+  echo "<ul>";
+  for ($col = 1; $col < 3; $col++) {
+    echo "<li>".$cars[$row][$col]."</li>";
+  }
+  echo "</ul>";
+}