php 获取星期几实例程序

$weekarray=array("日","一","二","三","四","五","六");
echo "星期".$weekarray[date("w")];

$weekarray=array("日","一","二","三","四","五","六");
echo "星期".$weekarray[date("w","2011-11-11")];

<?php
//php获取今天是星期几
function getWeek($unixTime=''){
 $unixTime=is_numeric($unixTime)?$unixTime:time();
 $weekarray=array('日','一','二','三','四','五','六');
 return '星期'.$weekarray[date('w',$unixTime)];
}
echo getWeek();

或者

<?php
function getWeek(){
 $week = date("w");
 switch($week){
  case 1:
   return "星期一";
   break;
  case 2:
   return "星期二";
   break;
  case 3:
   return "星期三";
   break;
  case 4:
   return "星期四";
   break;
  case 5:
   return "星期五";
   break;
  case 6:
   return "星期六";
   break;
  case 0:
   return "星期日";
   break;
 }
}
echo "今天是：".getWeek();
?>

<?php
function Test()
{
static $a = 0;
echo $a;
$a++;
}
?> 
 

<?php
function Test()
{
static $count = 0;

$count++;
echo $count;
if ($count < 10) {
Test ();
}
$count--;
}
?>

<?php
function foo(){
static $int = 0; // correct
static $int = 1+2; // wrong  (as it is an expression)
static $int = sqrt(121); // wrong  (as it is an expression too)

$int++;
echo $int;
}
?>

 
<?php
class Fruit {
 public static $category = "I'm fruit";
   
    static function find($class)
 {
     $vars = get_class_vars($class) ;
       echo $vars['category'] ;
    }
}

class Apple extends Fruit {
     public static $category = "I'm Apple";
}

Apple::find("Apple");
?>

程序运行结果：

1 I'm Apple

 
<?php
class Fruit
{
 static function Foo ( $class = __CLASS__ )
    {
        call_user_func(array($class, 'Color'));
    }
}

class Apple extends Fruit
{
    static function Foo ( $class = __CLASS__ )
    {
        parent::Foo($class);
    }

    static function Color()
    {
        echo "Apple's color is red";
    }
}

Apple::Foo(); // This time it works.
?>

程序运行结果：

Apple's color is red

<?php
class Fruit
{
   static $color = array('color1' => 'red', 'color2' => 'yellow');
}

class Apple
{
   public function __construct()
   {
     var_dump(Fruit::$color);
   }
}

class Banana
{
  public function __construct()
  {
    Fruit::$color = FALSE;
  }
}

new Apple();    // prints array(2) { ["color1"]=> string(3) "red" ["color2"]=> string(6) "yellow" }
echo '<br />';
new Banana();
new Apple();    // prints bool(false)
?>

   
<?php
class Singleton {

    private static $instance=null;
    private $value=null;

    private function __construct($value) {
        $this->value = $value;
    }

    public static function getInstance() {
        if ( self::$instance == null ) {
            echo "<br>new<br>";
            self::$instance = new Singleton("values");
        } 
  else {
            echo "<br>old<br>";
        }
        return self::$instance;
    }

}

$x = Singleton::getInstance();
var_dump($x); // returns the new object
$y = Singleton::getInstance();
var_dump($y); // returns the existing object
?>

class A {
 static $i = 10;
 public function set($n)
 {
  self::$i = $n;
 }
 public function get()
 {
  return self::$i;
 }
}
$a = new A();
$a->set(11);
$a1= new A();
echo $a1->get();

public static void main(String[] args)
{
}

<?php
$a = 1;
$b = 2;
function Sum()
{
global $a, $b; //在里面声明为全局变量
$b = $a + $b;
}
Sum();
echo $b;
?>

function f()
{
global $a;
$a=123;
}
f();
echo $a; //正确,可以使用

<?php
function Test_Global()
{ 
    Test(); 
} 
include 'B.php';   //将include 从局部Test_Global函数中移出
$a = 0 ;
Test_Global();
echo $a;
?>
//B.php 文件
<?php
function Test()
{
    global $a;
    $a =1;
}
?>

//A.php 文件
<?php
include 'B.php';
$a =0;
Set_Global($a);
echo $a;
?>
//B.php 文件
<?php
function Set_Global(&$var)
{
    $var=1;
}
?>

$var1 = 1; 
$var2 = 2; 
function test1(){ 
     $GLOBALS['var2'] = &$GLOBALS['var1']; 
} 
test1(); 
echo $var2;  //1

$var3 = 1; 
$var4 = 2; 
function test2(){ 
     global $var3,$var4; 
     $var4 = &$var3; 
} 
test2(); 
echo $var4;  

$var1 = 1; 
function test1(){ 
     unset($GLOBALS['var1']); 
} 
test1(); 
var_dump($var1);   //NULL

$var2 = 1; 
function test2(){ 
    global  $var2; 
     unset($var2); 
} 
test2(); 

$shortCut = "[InternetShortcut]
URL=http://www.111cn.net
IDList=
[{000214A0-0000-0000-C000-000000000046}]
Prop3=19,2
";
Header("Content-type: application/octet-stream");
header("Content-Disposition: attachment; filename=hzhuti.url;");
echo $shortCut;