php数组与fscanf的一些注意事项

<?phpprint count($w) . "\n";$w[3] = "rt";$w[100] = "tt";print $w[0] . $w[1] . $w[2] . $w[3] . $w[100] . "\n";print_r( $w );?>

0rtttArray(    [3] => rt    [100] => tt)

#include<iostream>using namespace std;int main(){	int a[3];	for( int i = 0; i   <p></p>  <p>若从键盘输入一行：1 2 3 </p> 则程序能输出正确结果为：1 2 3  <p>而单纯地将这段程序改写成php，如下：</p>  <p></p>  <pre name="code" class="sycode"><?phpfor ( $i = 0; $i < 3; $i++ )	fscanf(  STDIN, "%d", $a[$i] );print $a[0]. " ". $a[1]. " ". $a[2] . "\n";?>