FreeBSD 执行系统命令

<?php 
function do_command($commandName, $args) 
{ 
    $buffer = ""; 
    if (false === ($command = find_command($commandName))) return false; 
    if ($fp = @popen("$command $args", &#39;r&#39;)) 
    { 
        while (!@feof($fp)) 
        { 
         $buffer .= @fgets($fp, 4096); 
        } 
        return trim($buffer); 
    } 
    return false; 
}  
//确定执行文件位置 FreeBSD 
function find_command($commandName) 
{ 
    $path = array(&#39;/bin&#39;, &#39;/sbin&#39;, &#39;/usr/bin&#39;, &#39;/usr/sbin&#39;, &#39;/usr/local/bin&#39;, &#39;/usr/local/sbin&#39;); 
    foreach($path as $p) 
    { 
        if (@is_executable("$p/$commandName")) return "$p/$commandName"; 
    } 
    return false; 
}  
//调用方法 
echo do_command(&#39;sysctl&#39;, "-n hw.model");

永久地址：

转载随意~请带上教程地址吧^^