Add new key value pair to associative array in PHP
Description
The following code shows how to add new key value pair to associative array.
Example
//from w w w . j av a 2 s.c o m
<!DOCTYPE html>
<html>
<body>
<h1>Adding Author Names</h1>
<?php
$authors = array( "A", "B", "C", "D", "E", "F" );
$books = array(
array(
"title" => "A Book",
"authorId" => 2,
"pubYear" => 1937
),
array(
"title" => "B Book",
"authorId" => 0,
"pubYear" => 1939
),
array(
"title" => "C Book",
"authorId" => 3,
"pubYear" => 1859
),
array(
"title" => "D Book",
"authorId" => 4,
"pubYear" => 1667
),
array(
"title" => "E Book",
"authorId" => 5,
"pubYear" => 1945
),
array(
"title" => "F Book",
"authorId" => 1,
"pubYear" => 1925
),
);
foreach ( $books as &$book ) {
$book["authorName"] = $authors[$book["authorId"]];
}
echo "<pre>";
print_r( $books );
echo "</pre>";
?>
</body>
</html>
The code above generates the following result.
