shell_exec
(PHP 4, PHP 5)
shell_exec — Execute command via shell and return the complete output as a string
说明
string shell_exec ( string $cmd )This function is identical to the backtick operator.
参数
- cmd
-
The command that will be executed.
返回值
The output from the executed command.
范例
Example #1 A shell_exec() example
<?php
$output = shell_exec('ls -lart');
echo "<pre>$output</pre>";
?>
注释
Note:
当 PHP 运行在 安全模式 时，不能使用此函数。
参见
- exec() - Execute an external program
- escapeshellcmd() - Escape shell metacharacters
