PHP7系统相关信息获取

function is_php($version = '7.0.0')

{//比较当前的php版本与函数参数中的版本

static $_is_php;

$version = (string)$version;

if ( ! isset($_is_php[$version]))

{

$_is_php[$version] = (version_compare(PHP_VERSION, $version) < 0) ? FALSE : TRUE;

}

return $_is_php[$version];

}

echo '

---

';

echo 'PHP版本比较结果：'.is_php();

echo '

---

';

echo "
PHP软件版本:".phpversion().'
';

$user = 'root' ;

$pass = '111111';

$dbh  = new PDO( 'mysql:host=localhost;dbname=test',$user,$pass );

$rs=$dbh->query("select VERSION()");

$rs  =  $rs -> fetch ( PDO :: FETCH_ASSOC );

print_r($rs) ;

echo "
Mysql软件版本:".$rs['VERSION()'].'
';

echo '

---

';

// 获取系统类型及版本号：    php_uname()     (例：Windows NT PCA15130 6.1 build 7601 (Windows 7 Ultimate Edition Service Pack 1) i586)

echo 'php_uname()===========>'.php_uname().'
';

// 只获取系统类型：          php_uname('s')       (或：PHP_OS，例：Windows NT)

echo 'php_uname(s)===========>'.php_uname('s').'
';

// 只获取系统版本号：        php_uname('r')

echo 'php_uname(r)===========>'.php_uname('r').'
';

// 获取PHP运行方式：      php_sapi_name()       (PHP run mode：apache2handler)

echo 'php_sapi_name()===========>'.php_sapi_name().'
';

// 获取前进程用户名：        Get_Current_User()

echo 'Get_Current_User()===========>'.Get_Current_User().'
';

// 获取PHP版本：          PHP_VERSION

echo 'phpversion()===========>'.phpversion().'
';

// 获取Zend版本：          Zend_Version()

echo 'Zend_Version()===========>'.Zend_Version().'
';

// 获取PHP安装路径：      DEFAULT_INCLUDE_PATH

echo 'DEFAULT_INCLUDE_PATH===========>'.DEFAULT_INCLUDE_PATH.'
';

// 获取当前文件绝对路径：    __FILE__

echo '__FILE__()===========>'.__FILE__.'
';

// 获取Http请求中Host值：    $_SERVER['HTTP_HOST']          (返回值为域名或IP)

echo "\$_SERVER['HTTP_HOST']===========>".$_SERVER['HTTP_HOST'].'
';

// 获取服务器IP：            GetHostByName($_SERVER['SERVER_NAME'])

echo 'php_uname()===========>'.php_uname().'
';

// 接受请求的服务器IP：      $_SERVER['SERVER_ADDR']            (有时候获取不到，推荐用：GetHostByName($_SERVER['SERVER_NAME']))

echo "GetHostByName(\$_SERVER['SERVER_NAME'])===========>".GetHostByName($_SERVER['SERVER_NAME']).'
';

// 获取客户端IP：            $_SERVER['REMOTE_ADDR']

echo "\$_SERVER['REMOTE_ADDR']===========>".$_SERVER['REMOTE_ADDR'].'
';

// 获取服务器解译引擎：      $_SERVER['SERVER_SOFTWARE']

echo "\$_SERVER['SERVER_SOFTWARE']===========>".$_SERVER['SERVER_SOFTWARE'].'
';

// 获取服务器CPU数量：      $_SERVER['PROCESSOR_IDENTIFIER']

echo "\$_SERVER['PROCESSOR_IDENTIFIER']===========>".$_SERVER['PROCESSOR_IDENTIFIER'].'
';

// 获取服务器系统目录：      $_SERVER['SystemRoot']

echo "\$_SERVER['SystemRoot']===========>".$_SERVER['SystemRoot'].'
';

// 获取服务器域名：$_SERVER['SERVER_NAME']   (建议使用：$_SERVER['HTTP_HOST'])

echo "\$_SERVER['HTTP_HOST']===========>".$_SERVER['HTTP_HOST'].'
';

echo "\$_SERVER['SERVER_NAME']===========>".$_SERVER['SERVER_NAME'].'
';

// 获取用户域名：            $_SERVER['USERDOMAIN']

echo "\$_SERVER['USERDOMAIN']===========>".$_SERVER['USERDOMAIN'].'
';

// 获取服务器语言：          $_SERVER['HTTP_ACCEPT_LANGUAG']

echo "\$_SERVER['HTTP_ACCEPT_LANGUAGE']===========>".$_SERVER['HTTP_ACCEPT_LANGUAGE'].'
';

// 获取服务器Web端口：      $_SERVER['SERVER_PORT']

echo "\$_SERVER['SERVER_PORT']===========>".$_SERVER['SERVER_PORT'].'
';