foreach_books.php

<?php

$books = array(
    'The Hobbit' => array(
        'published' => 1937,
        'author' => 'J. R. R. Tolkien',
        'pages' => 310
    ),
    'Game of Thrones' => array(
        'published' => 1996,
        'author' => 'George R. R. Martin',
        'pages' => 835
    ),
    'The Catcher in the Rye' => array(
        'published' => 1951,
        'author' => 'J. D. Salinger',
        'pages' => 220
    ),
    'A Tale of Two Cities' => array(
        'published' => 1859,
        'author' => 'Charles Dickens',
        'pages' => 544
    )
);


foreach ($books as $title => $book ) {

	if ($book['published'] > 1950) {

		echo "$title \n";

		foreach ($book as $detail => $info) {
			echo "{$detail}: {$info}\n";
			// echo "---------------\n";
		}
	}
}	

foreach ($books as $title => $book) {

	if ($book['published'] > 1950) {
		echo "$title -  It was published {$book['published']} author name is {$book['author']} and number of pages are {$book['pages']}!\n";
	}	
}