PHP에서 Linux 명령을 실행하기 위해 일반적으로 사용되는 함수 요약

<?php
$test = "ls /tmp/test"; //ls是linux下的查目录，文件的命令
exec($test,$array); //执行命令
print_r($array);
?>

[root@krlcgcms01 shell]# php ./exec.php
Array
(
[0] => 1001.log
[1] => 10.log
[2] => 10.tar.gz
[3] => aaa.tar.gz
[4] => mytest
[5] => test1101
[6] => test1102
[7] => weblog_2010_09
)

<?php
$test = "ls /tmp/test";
$last = system($test);
print "last: $last\n";
?>

[root@krlcgcms01 shell]# php system.php
1001.log
10.log
10.tar.gz
aaa.tar.gz
mytest
test1101
test1102
weblog_2010_09
last:weblog_2010_09

<?php
$test = "ls /tmp/test";
passthru($test);
?>

<?php
$test = "ls /tmp/test";
$fp = popen($test,"r"); //popen打一个进程通道
 
while (!feof($fp)) { //从通道里面取得东西
$out = fgets($fp, 4096);
echo $out; //打印出来
}
pclose($fp);
?>

<?php
$test = "ls /tmp/test";
$array = array(
array("pipe","r"), //标准输入
array("pipe","w"), //标准输出内容
array("pipe","w") //标准输出错误
);
$fp = proc_open($test,$array,$pipes); //打开一个进程通道
echo stream_get_contents($pipes[1]); //为什么是$pipes[1]，因为1是输出内容
proc_close($fp);
?>

<?php
$test = "ls /tmp/test";
$out = shell_exec($test);
echo $out;
?>

[root@krlcgcms01 shell]# php test.php
1001.log
10.log
10.tar.gz
aaa.tar.gz
mytest
test1101
test1102
weblog_2010_09