用特定数量的元素初始化数组


Initialize array with specific amount of elements?

是否有可能初始化具有特定数量的元素的数组而不进行循环?

// Pseudo code
$reviews = array(5);
print_r($reviews);
// outputs 5 empty elements in array
Array ( [0] =>  [1] =>  [2] =>  [3] =>  [4] =>  ) 

有几种方法,这里有三种:

$array = array_fill(0, 5, '');
$array[]=$array[]=$array[]=$array[]=$array[]='';
$array = explode(' ', '    ');