[PHP函数]⑦--匿名函数

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两种方式

通过变量

通过create_function

';

//带参数
$func = function ($username) {
    return "say hi to " . $username;
};
echo $func('king');

echo "
";

//create_function
$func = create_function('', 'echo "this is a test";');
$func();

echo "
";

$func = create_function('$x,$y', 'return $x+$y;');
echo $func(2, 5);

echo "
";
$arr = array(1, 2, 3, 4, 5);
$res = array_map(function ($var) {
    return $var * 2;
}, $arr);
var_dump($res);

echo "
";
call_user_func(function ($username) {
    echo "hello {$username}";
}, 'king');


?>

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