public function removeBook(Book $bookToRemove)
{
foreach ($this->books as $key => $book) {
/** @var Book $book */
if ($book->getAuthorAndTitle() === $bookToRemove->getAuthorAndTitle()) {
unset($this->books[$key]);
}
}
}
public function removeBook(Book $bookToRemove)
{
foreach ($this->books as $key => $book) {
if ($book->getAuthorAndTitle() === $bookToRemove->getAuthorAndTitle()) {
unset($this->books[$key]);
}
}
$this->books = array_values($this->books);
}
public function removeBook(Book $book_in)
{
$counter = 0;
while (++$counter <= $this->getBookCount()) {
if ($book_in->getAuthorAndTitle() == $this->books[$counter]->getAuthorAndTitle()) {
for ($x = $counter; $x < $this->getBookCount(); $x++) {
$this->books[$x] = $this->books[$x + 1];
}
$this->setBookCount($this->getBookCount() - 1);
}
}
return $this->getBookCount();
}
public function removeBook(Book $book_in)
{
$counter = 0;
// goes through all arrays keys of $book[i] for i=0,1...$this->getBookCount() and sets $books[i]=$books[i+1]
// lowers BookCount by 1
while (++$counter <= $this->getBookCount()) {
if ($book_in->getAuthorAndTitle() == $this->books[$counter]->getAuthorAndTitle()) {
for ($x = $counter; $x < $this->getBookCount(); $x++) {
$this->books[$x] = $this->books[$x + 1];
}
$this->setBookCount($this->getBookCount() - 1);
}
}
// returns the total number of books available so far
return $this->getBookCount();
}
