$arr = array(0=>'a',1=>'b',2=>'c',3=>'d');
print_r($arr);
unset($arr[2]);
print_r($arr);ouput:
Array ( [0] => a [1] => b [2] => c [3] => d )
Array ( [0] => a [1] => b [3] => d )
print_r($arr);
unset($arr[2]);
print_r($arr);ouput:
Array ( [0] => a [1] => b [2] => c [3] => d )
Array ( [0] => a [1] => b [3] => d )
unset($arr[2]);
echo count($arr); // 5?>
楼主是想把key向前移,仍然是连续的
print_r($arr);
unset($arr[2]);
print_r($arr);
print_r(array_splice($arr, 0));ouput:
Array ( [0] => a [1] => b [2] => c [3] => d )
Array ( [0] => a [1] => b [3] => d )
Array ( [0] => a [1] => b [2] => d )
4.0的手册上看不到