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());
?>
