Online PHP editor | refs for WfGkY

<?php class StrategyContext { private $strategy = NULL; //bookList is not instantiated at construct time public function __construct($strategy_ind_id) { switch ($strategy_ind_id) { case "C": $this->strategy = new StrategyCaps(); break; case "E": $this->strategy = new StrategyExclaim(); break; case "S": $this->strategy = new StrategyStars(); break; } } public function showBookTitle($book) { return $this->strategy->showTitle($book); } } interface StrategyInterface { public function showTitle($book_in); } class StrategyCaps implements StrategyInterface { public function showTitle($book_in) { $title = $book_in->getTitle(); $this->titleCount++; return strtoupper ($title); } } class StrategyExclaim implements StrategyInterface { public function showTitle($book_in) { $title = $book_in->getTitle(); $this->titleCount++; return Str_replace(' ','!',$title); } } class StrategyStars implements StrategyInterface { public function showTitle($book_in) { $title = $book_in->getTitle(); $this->titleCount++; return Str_replace(' ','*',$title); } } class Book { private $author; private $title; function __construct($title_in, $author_in) { $this->author = $author_in; $this->title = $title_in; } function getAuthor() { return $this->author; } function getTitle() { return $this->title; } function getAuthorAndTitle() { return $this->getTitle() . ' by ' . $this->getAuthor(); } } writeln('BEGIN TESTING STRATEGY PATTERN'); writeln(''); $book = new Book('PHP for Cats','Larry Truett'); $strategyContextC = new StrategyContext('C'); $strategyContextE = new StrategyContext('E'); $strategyContextS = new StrategyContext('S'); writeln('test 1 - show name context C'); writeln($strategyContextC->showBookTitle($book)); writeln(''); writeln('test 2 - show name context E'); writeln($strategyContextE->showBookTitle($book)); writeln(''); writeln('test 3 - show name context S'); writeln($strategyContextS->showBookTitle($book)); writeln(''); writeln('END TESTING STRATEGY PATTERN'); function writeln($line_in) { echo $line_in."<br/>"; }