count统计数组里元素的个数;
strlen是统计数组中元素的长度;你如果想统计数组中所有元素的长度,那就用循环统计吧tqeb
代码: $a = array('0' => '123', '1' => 'asdf');$count = count($a);
$a_length = 0;
for ($i=0; $i<$count; $i++) {
$a_length = $a_length + strlen($a[$i]); } print $a_length; 代码: <?phptqeb$a[0] = 1;$a[1] = 3;$a[2] = 5;$result = count($a);// $result == 3$b[0] = 7;
$b[5] = 9;$b[10] = 11;$result = count($b);// $result == 3;$result = count(null);
// $result == 0$result = count(false);
// $result == 1?>