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Remove outdated OOP examples Zend/tests/zend2.php.txt

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This patch removes outdated examples file from the Zend/tests in favor
of the PHP manual OOP chapter [1].

[1] https://php.net/manual/en/language.oop5.php
This commit is contained in:
Peter Kokot 2018-09-26 02:56:02 +02:00
parent c951836721
commit 8e430d7e48
1 changed files with 0 additions and 275 deletions
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275
Zend/tests/zend2.php.txt
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@ -1,275 +0,0 @@
Example 1: A singleton (static members)
=======================================
<?php
class Counter {
var $counter = 0;
function increment_and_print()
{
print ++$this->counter;
print "\n";
}
}
class SingletonCounter {
static $m_instance = NULL;
function Instance()
{
if (self::$m_instance == NULL) {
self::$m_instance = new Counter();
}
return self::$m_instance;
}
}
SingletonCounter::Instance()->increment_and_print();
SingletonCounter::Instance()->increment_and_print();
SingletonCounter::Instance()->increment_and_print();
?>
Example 2: Factory method (derefencing objects returned from functions)
=======================================================================
<?php
class Circle {
function draw()
{
print "Circle\n";
}
}
class Square {
function draw()
{
print "Square\n";
}
}
function ShapeFactoryMethod($shape)
{
switch ($shape) {
case "Circle":
return new Circle();
case "Square":
return new Square();
}
}
ShapeFactoryMethod("Circle")->draw();
ShapeFactoryMethod("Square")->draw();
?>
Example 3: Class constants and class scope
==========================================
<?php
class ErrorCodes {
const FATAL = "Fatal error\n";
const WARNING = "Warning\n";
const INFO = "Informational message\n";
function print_fatal_error_codes()
{
print "FATAL = " . FATAL;
print "self::FATAL = " . self::FATAL;
}
}
/* Call the static function and move into the ErrorCodes scope */
ErrorCodes::print_fatal_error_codes();
?>
Example 4: Regular object method using both local and global functions
======================================================================
<?php
class HelloWorld {
const HELLO_WORLD = "Hello, World!\n";
function get_hello_world()
{
return HELLO_WORLD;
}
function length_of_hello_world()
{
$str = $this->get_hello_world();
return strlen($str);
}
}
$obj = new HelloWorld();
print "length_of_hello_world() = " . $obj->length_of_hello_world();
print "\n";
?>
Example 5: Multiple derefencing of objects returned from methods
================================================================
<?php
class Name {
function Name($_name)
{
$this->name = $_name;
}
function display()
{
print $this->name;
print "\n";
}
}
class Person {
function Person($_name, $_address)
{
$this->name = new Name($_name);
}
function getName()
{
return $this->name;
}
}
$person = new Person("John", "New York");
$person->getName()->display();
?>
Example 6: Exception handling
=============================
<?
class MyException {
function MyException($_error) {
$this->error = $_error;
}
function getException()
{
return $this->error;
}
}
function ThrowException()
{
throw new MyException("'This is an exception!'");
}
try {
} catch (MyException $exception) {
print "There was an exception: " . $exception->getException();
print "\n";
}
try {
ThrowException();
} catch (MyException $exception) {
print "There was an exception: " . $exception->getException();
print "\n";
}
?>
Example 7: __clone()
===================
<?
class MyCloneable {
static $id = 0;
function MyCloneable()
{
$this->id = self::$id++;
}
function __clone()
{
$this->name = $that->name;
$this->address = "New York";
$this->id = self::$id++;
}
}
$obj = new MyCloneable();
$obj->name = "Hello";
$obj->address = "Tel-Aviv";
print $obj->id;
print "\n";
$obj = $obj->__clone();
print $obj->id;
print "\n";
print $obj->name;
print "\n";
print $obj->address;
print "\n";
?>
Example 8: Unified constructors
===============================
<?
class BaseClass {
function __construct()
{
print "In BaseClass constructor\n";
}
}
class SubClass extends BaseClass {
function __construct()
{
parent::__construct();
print "In SubClass constructor\n";
}
}
$obj = new BaseClass();
$obj = new SubClass();
?>
Example 9: Destructors
=======================
<?php
class MyDestructableClass {
function __construct()
{
print "In constructor\n";
$this->name = "MyDestructableClass";
}
function __destruct()
{
print "Destroying " . $this->name . "\n";
}
}
$obj = new MyDestructableClass();
?>