$number_of_songs = $this->_radio_program->getNumberOfSongs() + $this->_radio_program->getNumberOfRequestSongs();
return $this->_index < $number_of_songs;
}
public function next()
{
// $this->_indexが$this->_radio_program->getNumberOfSongs()を超えていた場合はリクエスト曲を再生する。
if ($this->_index < $this->_radio_program->getNumberOfSongs()) {
$song = $this->_radio_program->getSong($this->_index);
} else {
$song = $this->_radio_program->getRequestSong($this->_index - $this->_radio_program->getNumberOfSongs());
}
$this->_index++;
return $song;
}
}
$radio_program = new RadioProgram();
$radio_program->addRequestSong('Perfume - チョコレイト・ディスコ');
$radio_program->addRequestSong('Perfume - レーザービーム');
$radio_program->addRequestSong('Perfume - ポリリズム');
$radio_program->addRequestSong('Perfume - ナチュラルに恋して');
$radio_program->addRequestSong('Perfume - ねぇ');
$dj = $radio_program->iterator();
while ($dj->hasNext()) {
echo 'Play: ' . $dj->next() . PHP_EOL;
}
/* echo
Play: Cypress Hill - Insane In The Brain
Play: Beastie Boys - So What Cha Want
Play: Chingy - Right Thurr
Play: Nas - Nas Is Like
Play: House of Pain - Jump Around
<html>
<head>
<?php
include "layout.php";
?>
</head>
<body>
<div class="container">
<div class="content">
<?php
include "RadioProgram.php";
$radioProgram = new RadioProgram();
$radioProgram->name = "Henkie's radioprogramma";
$radioProgram->description = "De beste radio van het land!";
$radioProgram->addSong("liedje1");
$radioProgram->addSong("liedje2");
$radioProgram->addSong("liedje3");
echo $radioProgram->name . "<br>";
echo $radioProgram->description . "<br><br>";
echo "Liedjes:<br>";
foreach ($radioProgram->songs as $song) {
echo $song . "<br>";
}
?>
<br>
<a href="https://github.com/jmoritdev/jmoritphp/blob/master/radiostation.php">Source code</a>
</div>
</div>
</body>
</html>
}
// DJクラス
class DiscJockey implements InterfaceIterator
{
private $_radio_program = null;
private $_index = 0;
public function __construct(RadioProgram $radio_program)
{
$this->_radio_program = $radio_program;
}
public function hasNext()
{
return $this->_index < $this->_radio_program->getNumberOfSongs();
}
public function next()
{
return $this->_radio_program->getSong($this->_index++);
}
}
$radio_program = new RadioProgram();
$dj = $radio_program->iterator();
while ($dj->hasNext()) {
echo $dj->next() . PHP_EOL;
}
/* echo
Cypress Hill - Insane In The Brain
Beastie Boys - So What Cha Want
Chingy - Right Thurr
Nas - Nas Is Like
House of Pain - Jump Around
*/
