Get the first element of an array

Question

I have an array:

array( 4 => \'apple\', 7 => \'orange\', 13 => \'plum\' )

I would like to get the first element of this array. Expect

Answer 1

A kludgy way is:

$foo = array( 4 => 'apple', 7 => 'orange', 13 => 'plum' );

function get_first ($foo) {
    foreach ($foo as $k=>$v){
        return $v;
    }
}

print get_first($foo);