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

Example #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());
?>