php三目运算符详细

$str = $content=file_get_contents("2.sql",FALSE,NULL,1024*1024,1024);
echo $str;

$fp=fopen('2.sql','r');
while (!feof($fp)){
$str.=fread($fp, filesize ($filename)/10);//每次读出文件10分之1
//进行处理
}

echo $str;

$route->run();

/**

        * 执行相应的 MCA

        *

        */

       private function run ()

       {

           $filePath = APPLICATION_PATH.'/controller/'.$this->_moudle.'/'.$this->_conttoller.'.inc.php';

           $isNo = 0;

           if(file_exists($filePath))

           {

                  include "$filePath";

                  $controller_tp = $this->_conttoller.'Controller';

                  $controller = new $controller_tp;

              if (method_exists($controller,$this->_action.'Action'))

                  {

                     $acion_tmp = $this->_action.'Action';

                     $controller->$acion_tmp();

                  }else

                  {

                     $isNo = 1;

                  }

           }else

           {

              $isNo = 1;

           }

           if ($isNo)

           {

              $filePath = APPLICATION_PATH.'/controller/default/index.inc.php';

              $this->_moudle = $this->_default['module'];

              $this->_conttoller = $this->_default['conttoller'];

              $this->_action = $this->_default['action'];           

              ($this->_moudle != $this->_default['module']) && include "$filePath";

              $controller = new indexController;

              $controller->indexAction();

           }

       }

include "$filePath";

$controller_tp = $this->_conttoller.'Controller';

$controller = new $controller_tp;

$acion_tmp = $this->_action.'Action';

    $controller->$acion_tmp();

class Controller

{

    public $tpl;

    public $controller;

    public $body;//右边菜单

    public $_route ;

    public $html_;

    public $tpl_;

    /*

     * 构造函数

     */

    public function __construct()

    {

           $this->init();

    }

    /*

     * 初始化变量，顶部菜单和模板

     */

    protected function init()

    { 

        global $TPL,$route;

        $this->tpl  = $TPL;

        $this->_route = $route;

    } 

    /**

     * 模板变量传第

     */

    protected function diplayTpl()

    {

       $this->body   || $this->body = $this->_route->getActionName();

       $this->tpl->assign("body",$this->body);     

       /*设置本控制器的模板目录*/

       $this->controller ||$this->controller  =$this->_route->getControllerName();

        $this->tpl->assign("controller",$this->controller);

       $this->tpl->display($this->layout);  

    }

    /**

     * smarty封装类

     * @param string $name

     * @param string $value

     */

    public  function assign($name,$value)

    {

       $this->tpl->assign($name,$value);

    }

    /**

     * 显示另外的模板

     * @param string $name

     * @param string $value

     */

    protected function displayOther($file)

    {

       $this->assign("otherTpl",TRUE);

       $this->tpl->display($file);

    } 

    /**

     * 显示某个MCA的body模板

     * 0=>m 1=>c =>a

     */

    protected function getMcaBody($array)

    {

       return   'http://www.cnblogs.com/../'.$array[0].'/body/'.$array[1].'/'.$array[2];

    }

    /*

     * 析构函数，显示页面

     */

    protected function __destruct()

    { 

       $this->tpl->_tpl_vars['otherTpl'] || $this->diplayTpl();

    }

    /**

     * 中途退出

     */

    protected function _exit($msg = "")

    {

       $this->assign("otherTpl",TRUE);

       die($msg);

    }

    /**

     * 用 $this->html_var=value放法给变量赋值

     * 用 $this->tpl_var=value放法给变量赋值

     */

    protected function __set($name,$value)

    {

       if(strtolower(substr($name,0,5)) == "html_" || strtolower(substr($name,0,4)) == "tpl_")

       {

           $this->assign(substr($name,5),$value);

       }

    }

}

?>

protected function __destruct()

    { 

       $this->tpl->_tpl_vars['otherTpl'] || $this->diplayTpl();

    }

protected function __set($name,$value)

    {

       if(strtolower(substr($name,0,5)) == "html_" || strtolower(substr($name,0,4)) == "tpl_")

       {

           $this->assign(substr($name,5),$value);

       }

    }

public $html_;

    public $tpl_;

$url = "http://www.111cn.net/aaaa/";$parts = parse_url($url);

输出:
Array
(
    [scheme] => http
    [host] => www.111cn.net
    [path] => /aaaa/
)

<?php$url = 'http://username:password@hostname/path?arg=value#anchor';print_r(parse_url($url));echo parse_url($url, PHP_URL_PATH);?>

输出:
Array
(
    [scheme] => http
    [host] => hostname
    [user] => username
    [pass] => password
    [path] => /path
    [query] => arg=value
    [fragment] => anchor
)

<?php

//创建函数　

function funcCountArea($radius)

{

    return $radius*$radius*pi();   

}

//使用函数

$area = funcCountArea(20);

echo $area;

echo '<br/>';

$area2 = funcCountArea(30);

echo $area2;

?>
 

output

1256.63706144
2827.43338823
 

<?php

$a = 5;

function funcChange($a)

{

    $a = 2 * $a;

}

funcChange ($a);

echo $a;

?>
 

output

5
 

<?php

$a = 5;

function funcChange(&$a)

{

    $a = 2 * $a;

}

funcChange ($a);

echo $a;

?>
 

output

10
 

<?php

function funcUserInfo($username,$password)

{

    $userInfo = array($username,$password);

    return $userInfo;

}

$arr = funcUserInfo('anllin','123456');

print_r($arr);

?>
 

output

Array ( [0] => anllin [1] => 123456 )

<?php

function funcUserInfo($username, $password)

{

    $userInfo [] = $username;

    $userInfo [] = $password;

    return $userInfo;

}

$arr[] = funcUserInfo ( 'Bob', '512655' );

$arr[] = funcUserInfo ( 'John', '458736' );

$arr[] = funcUserInfo ( 'Mark', '925472' );

print_r ( $arr );

?>
 

output

Array ( [0] => Array ( [0] => Bob [1] => 512655 ) [1] => Array ( [0] => John [1] => 458736 ) [2] => Array ( [0] => Mark [1] => 925472 ) )