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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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readline_write_history上一级GNU Recode Functions