PHP 手册
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# readline

(PHP 4, PHP 5)

readline -- Reads a line

## 说明

string readline ( [string prompt] )

Reads a single line from the user. You must add this line to the history yourself using readline_add_history().

## 参数

`prompt`

  You may specify a string with which to prompt the user.

## 返回值

Returns a single string from the user. The line returned has the ending newline removed.

## 范例

例 1. readline() Example

`<?php //get 3 commands from user for ($i=0; $i < 3; $i++) { $line = readline("Command: "); readline_add_history($line); } //dump history print_r(readline_list_history()); //dump variables print_r(readline_info()); ?>`

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