Ref/expect-Phpdoc专题
expect_expectl
Waits until the output from a process matches one of the patterns, a specified time period has passed, or an EOF is seen
说明
int <span
class="methodname">expect_expectl ( <span
class="methodparam">resource $expect
, array
$cases [, <span
class="type">array &$match ] )
Waits until the output from a process matches one of the patterns, a specified time period has passed, or an EOF is seen.
If match is provided, then it is filled with the result of search. The
matched string can be found in match[0]. The match substrings
(according to the parentheses) in the original pattern can be found in
match[1], match[2], and so on, up to match[9] (the limitation of
libexpect).
参数
expect
An Expect stream, previously opened with <span
class="function">expect_popen.
cases
An array of expect cases. Each expect case is an indexed array, as
described in the following table:
| Index Key | Value Type | Description | Is Mandatory | Default Value |
|---|---|---|---|---|
| 0 | string | pattern, that will be matched against the output from the stream | yes | |
| 1 | mixed | value, that will be returned by this function, if the pattern matches | yes | |
| 2 | integer | pattern type, one of: EXP_GLOB, EXP_EXACT or EXP_REGEXP |
no | EXP_GLOB |
返回值
Returns value associated with the pattern that was matched.
On failure this function returns:
EXP_EOF,
EXP_TIMEOUT
or
EXP_FULLBUFFER
更新日志
| 版本 | 说明 |
|---|---|
| PECL expect 0.2.1 | Prior to version 0.2.1, in match parameter a match string was returned, not an array of match substrings. |
范例
示例 #1 expect_expectl example
<?php
// Copies file from remote host:
ini_set("expect.timeout", 30);
$stream = fopen("expect://scp user@remotehost:/var/log/messages /home/user/messages.txt", "r");
$cases = array(
// array(pattern, value to return if pattern matched)
array("password:", "asked for password"),
array("yes/no)?", "asked for yes/no")
);
while (true) {
switch (expect_expectl($stream, $cases)) {
case "asked for password":
fwrite($stream, "my password\n");
break;
case "asked for yes/no":
fwrite($stream, "yes\n");
break;
case EXP_TIMEOUT:
case EXP_EOF:
break 2; // break both the switch statement and the while loop
default:
die "Error has occurred!";
}
}
fclose($stream);
?>参见
- expect_popen
expect_popen
Execute command via Bourne shell, and open the PTY stream to the process
说明
resource <span
class="methodname">expect_popen ( <span
class="methodparam">string $command )
Execute command via Bourne shell, and open the PTY stream to the process.
参数
command
Command to execute.
返回值
Returns an open PTY stream to the processes stdio, stdout, and stderr.
On failure this function returns false.
范例
示例 #1 expect_popen example
<?php
// Login to the PHP.net CVS repository:
$stream = expect_popen ("cvs -d :pserver:[email protected]:/repository login");
sleep (3);
fwrite ($stream, "phpfi\n");
fclose ($stream);
?>参见
- popen
目录
- expect_expectl — Waits until the output from a process matches one of the patterns, a specified time period has passed, or an EOF is seen
- expect_popen — Execute command via Bourne shell, and open the PTY stream to the process