//定義繼承于Car的Truck類
class Truck extends Car{
public function getSpeed(){
$this->speed += 10;
}
public function speedUp(){
return $this->speed += 50;
}
}
$car = new Truck();
$car->getSpeed();//獲得現有的速度
$car->speedUp(); //加速
echo $car->speed;
class Truck extends Car{
public function getSpeed(){
$this->speed += 10;
}
public function speedUp(){
return $this->speed += 50;
}
}
$car = new Truck();
$car->getSpeed();//獲得現有的速度
$car->speedUp(); //加速
echo $car->speed;
2014-12-09
<?php
class Car {
public $speed = 0; //汽車的起始速度是0
public function speedUp() {
$this->speed += 10;
return $this->speed;
}
public function getSpeed(){
return $this->speed;
}
}
class Car {
public $speed = 0; //汽車的起始速度是0
public function speedUp() {
$this->speed += 10;
return $this->speed;
}
public function getSpeed(){
return $this->speed;
}
}
2014-12-09
<?php
$fruit = ('apple' => '蘋果’, 'banana' => '香蕉', 'pineapple' => '菠蘿');
foreach ($fruit as $key => $value)
{
echo '<br>數組fruit中鍵為'.$key.'的值是'.$value;
}
?>
$fruit = ('apple' => '蘋果’, 'banana' => '香蕉', 'pineapple' => '菠蘿');
foreach ($fruit as $key => $value)
{
echo '<br>數組fruit中鍵為'.$key.'的值是'.$value;
}
?>
2014-12-08
第一種;
$arr = array('apple' => '蘋果');
第二種;
$arr = array();
$arr['apple'] = '蘋果';
$arr = array('apple' => '蘋果');
第二種;
$arr = array();
$arr['apple'] = '蘋果';
2014-12-08
<?php
$fruit = array('apple', 'banana', 'pineapple');
foreach ($fruit as $key => $value)
{
echo '<br>第'.$key.'個值是:'.$value;
}
?>
$fruit = array('apple', 'banana', 'pineapple');
foreach ($fruit as $key => $value)
{
echo '<br>第'.$key.'個值是:'.$value;
}
?>
2014-12-08
<?php
$fruit = arr('蘋果', ’香蕉', '菠蘿');
for ($index=1; $index<3; $index++)
{
echo '<br>數字第'.$index.'個值是:'.$fruit[$index];
}
?>
$fruit = arr('蘋果', ’香蕉', '菠蘿');
for ($index=1; $index<3; $index++)
{
echo '<br>數字第'.$index.'個值是:'.$fruit[$index];
}
?>
2014-12-08
第一種:
$arr = array();
$arr[0] = '蘋果';
第二種:
$arr = array('0' => '蘋果');
第三種:
$arr = array('蘋果');
$arr = array();
$arr[0] = '蘋果';
第二種:
$arr = array('0' => '蘋果');
第三種:
$arr = array('蘋果');
2014-12-08