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标题: 学php必收藏的几个经典代码第1/2页 [打印本页]

作者: 阿情 时间: 2018-2-14 09:23

         经典循环例子

经典循环例子

[B]

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for的高级运用

for的高级运用

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函数的简单调用:

简单的函数

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有返回值的函数

有返回值的函数

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有默认参数的函数

有默认参数的函数

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用的规算法判断是否是整数

判断整数

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1)
      {
         /* 整数减1仍然是整数 */
         return(checkInteger($Number-1));
      }
      elseif($Number  0) AND ($Number
[/B]

初始化数组

初始化数组

"January", "February", "March",//初始化一个数组
      "April", "May", "June", "July", "August",
      "September", "October", "November", "December");
print(" 英语的“5月”是[B] $monthName[5] [/B]。
\n");//打印数组中的第6个元素
?>

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获取数组中的元素

获取数组中的元素

"January", "February", "March",
      "April", "May", "June",
      "July", "August", "September",
      "October", "November", "December",
/*定义$monthName["Jan"]到$monthName["Dec"]*/
      "Jan"=>"January", "Feb"=>"February",
      "Mar"=>"March", "Apr"=>"April",
      "May"=>"May", "Jun"=>"June",
      "Jul"=>"July", "Aug"=>"August",
      "Sep"=>"September", "Oct"=>"October",
      "Nov"=>"November", "Dec"=>"December",
/*定义$monthName["Jan"]到$monthName["Dec"]*/
      "January"=>"January", "February"=>"February",
      "March"=>"March", "April"=>"April",
      "May"=>"May", "June"=>"June",
      "July"=>"July", "August"=>"August",
      "September"=>"September", "October"=>"October",
      "November"=>"November", "December"=>"December"
      );
/*打印相关的元素*/
print("Month [B]5[/B] is [B]" . $monthName[5]. "[/B]
\n");
print("Month [B]Aug[/B] is [B]" . $monthName["Aug"] . "[/B]
\n");
print("Month [B]June[/B] is [B]" . $monthName["June"] . "[/B]
\n");
?>
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创建一个多维数组

创建一个多维数组

array(
         "北京市",
         "天津市",
         "石家庄"
         ),
      "西北地区"=>array(
         "西安",
         "拉萨"
         )
      );
print("华北地区: ".$Cities["华北地区"][0]); //打印$Cities["华北地区"][0]
?>
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