多维数组的php键计数

多维数组的php键计数,php,Php,排列 ( [0]=>阵列 ( [0]=>底部磨损 [1] => 1 [2] =>牛仔裤 [3] => 2 [4] => 677 ) ) 需要函数的第一个数组的计数,即5 $size = count($arr[0]); $size = count($arr[0]);

排列 ( [0]=>阵列 ( [0]=>底部磨损 [1] => 1 [2] =>牛仔裤 [3] => 2 [4] => 677 )

)

需要函数的第一个数组的计数,即5

$size = count($arr[0]);
$size = count($arr[0]);