初学者学习PHP开发应该掌握几段精华代码(1)
经典循环例子
<HTML><HEAD><TITLE>经典循环例子</TITLE></HEAD><BODY><? for($counter = 1; $counter <= 6; $counter++) //循环6次 { print("<B>counter is $counter</B><BR>n"); //打印6次 } ?></BODY></HTML> Copy after login |
for的高级运用
<HTML><HEAD><TITLE>for的高级运用</TITLE></HEAD><BODY><? /* ** 打印必要的说明文字 */ print("<B>距离星期一还有几天?</B>n"); print("<OL>n"); for($currentDate = date("U"); //定义$currentDate时间格式 date("l", $currentDate) != "Monday"; //判断是不是当前系统时间是Monday $currentDate += (60 * 60 * 24)) //当前时间加上1天 { /* ** 打印时间名称 */ print("<LI>" . date("l", $currentDate) . "n"); } print("</OL>n");?></BODY></HTML> Copy after login |
函数的简单调用:
<HTML><HEAD><TITLE>简单的函数</TITLE></HEAD><BODY><FONT SIZE=5><? function printBold($inputText) //定义function printBold() { print("<B>" . $inputText . "</B>"); ////打印$inputText } print("这行没有加重!<BR>n"); //直接打印字符串 printBold("这行加重了!!!"); //调用function printBold()函数 print("<BR>n"); print("这行没有加重!<BR>n"); //直接打印字符串?></FONT></BODY></HTML> Copy after login |
有返回值的函数
<HTML><HEAD><TITLE>有返回值的函数</TITLE></HEAD><BODY><FONT SIZE=5><? function makeBold($inputText) //定义function makeBold()函数 { $boldedText = "<B>"; $boldedText .= $inputText; $boldedText .= "</B>"; return($boldedText); //返回变量$boldedText } print("这行没有加重!!!<BR>n"); //直接打印字符串 print(makeBold("这行被加重了!!!") . "<BR>n"); Copy after login //调用function makeBold()函数 print("这行没有加重!!!<BR>n"); //直接打印字符串?></SIZE></BODY></HTML> Copy after login |
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