index.html
<html>
<form action="index.php" method="post">
<input type="text" name="name[xiaoming][like][fruit][]" value="apple">
<input type="text" name="name[xiaoming][like][fruit][]" value="apple2">
<input type="text" name="name[xiaoming][like2][fruit][]" value="apple3">
<input type="text" name="a" value="a">
<input type="text" name="b" value="b">
<input type="text" name="c" value="c">
<input type="submit" value="submit">
</form>
</html>
index.php
<?php
print_r($_POST);
?>
输出：
Array
(
[name] => Array
(
[xiaoming] => Array
(
[like] => Array
(
[fruit] => Array
(
[0] => apple
[1] => apple2
)
)
[like2] => Array
(
[fruit] => Array
(
[0] => apple3
)
)
)
)
[a] => a
)
数组形式的变量个数是怎么计算的？
