为什么慕课网没有关于 PHP 数组函数的课程？

Question

慕课网有关于 PHP 的字符串、正则、文件目录、日期时间、图形、数据库的函数的课程，唯独没有关于数组的函数。

http://php.net/manual/zh/ref.array.php

Answer 1

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

Answer 2

你可以自己看手册啊，上边都有

Answer 3

数组操作要什么api啊?我读书少你别骗我