$monthName = array(
/*定义$monthName[1]到$monthName[12]*/
1=>"January", "February", "March",
"April", "May", "June",
"July", "August", "September",
"October", "November", "December",
/*定义$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 5 is " . $monthName[5]. "
\n");
print("Month Aug is " . $monthName["Aug"] . "
\n");
print("Month June is " . $monthName["June"] . "
\n");
?>

创建一个多维数组

$Cities = array( //二维数组array（）
"华北地区"=>array(
"北京市",
"天津市",
"石家庄"
),
"西北地区"=>array(
"西安",
"拉萨"
)
);
print("华北地区: ".$Cities["华北地区"][0]); //打印$Cities["华北地区"][0]
?>

PHP 4.0实现表格状打印

/*
** 数据表格化
*/

print("\n"); // 表格开始


for($Row=1; $Row <= 12; $Row ++)
{
print("\n"); // 开始行

// do each column
for($Column=1; $Column <= 12; $Column ++)
{
print("");
}

print("\n"); // 行结束

}

print("

");//开始列 print($Row * $Column);//表格元素乘积 print("

\n"); // 表格结束

?>


查看系统的一些变量

print("你正在用文件的名字为： ");
print(__FILE__);
print("
\n");
print("

---

");
print("你的操作系统为： ");
print(PHP_OS);
print("

---

");
print("你的php的版本为： ");
print(PHP_VERSION)
?>


打开本地或者远程文件

print("

通过http协议打开文件

\n");
// 通过 http 协议打开文件
if(!($myFile = fopen("d:web/web/php/test/data.txt", "r")))
{
print("文件不能打开");
exit;
}
while(!feof($myFile)) //循环
{
// 按行读取文件中的内容
$myLine = fgetss($myFile, 255);
print("$myLine
\n");
}
// 关闭文件的句柄
fclose($myFile);
?>

打开文件的几种方式比较

// 打开文件同时打印文件的每一个字符
if($myFile = fopen("data.txt", "r"))
{
while(!feof($myFile))
{
$myCharacter = fgetc($myFile);
print($myCharacter);
}
fclose($myFile);
}
?>
");?>
// 打开文件同时打印文件的每一行
if($myFile = fopen("data.txt", "r"))
{
while(!feof($myFile))
{
$myLine = fgets($myFile, 255);
print($myLine);
}
fclose($myFile);
}
?>
");?>
/* 打开文件同时打印文件的每一行,
同时去掉取回字符串中的 HTML 语言
*/
if($myFile = fopen("data.txt", "r"))
{
while(!feof($myFile))
{
$myLine = fgetss($myFile, 255);
print($myLine);
}
fclose($myFile);
}
?>

访问文件常见属性

print("文件的所有者（UID 值）：");
print(fileowner("data.txt")."
");
print("文件的大小：");
print(filesize("data.txt")."
");
print("文件的类型：");
print(filetype("data.txt")."
");
?>

调用文本文件内容

// 打开文件同时，打印每一行
$myFile = file( "data.txt");
for($index = 0; $index < count($myFile); $index++)
{
print($myFile[$index]."
");
}
?>


创建目录函数

if(mkdir("myDir1", 0777)) //创建目录的函数
{
print("目录创建成功"); //目录建立成功
}
else
{
print("目录建立失败!"); //目录建立失败
}
?>

浏览目录

// 使用表格浏览目录的结构
print("\n");
// 创建表格的头
print("\n");
print("\n");
print("\n");
print("\n");
$myDirectory = opendir("."); // 建立操作目录的句柄
// 读出目录中的每一个子项
while($entryName = readdir($myDirectory))
{
print("");
print("");
print("");
print("\n");
}
closedir($myDirectory); // 关闭目录
print("

文件名	文件的大小
$entryName	"); print(filesize($entryName)); print("

\n");
?>

PHP相关信息

phpinfo();
?>

常用的数值判断函数

//判断数组
$colors = array("red", "blue", "green");
if(is_array($colors))
{
print("colors is an array"."
");
}
//双精度数判断
$Temperature = 15.23;
if(is_double($Temperature))
{
print("Temperature is a double"."
");
}
//整数判断
$PageCount = 2234;
if(is_integer($PageCount))
{
print("$PageCount is an integer"."
");
}
//对象判断
class widget
{
var $name;
var $length;
}
$thing = new widget;
if(is_object($thing))
{
print("thing is an object"."
");
}
//字符判断
$Greeting = "Hello";
if(is_string($Greeting))
{
print("Greeting is a string"."
");
}
?>

文件上传界面

if($UploadAction){
$UploadAction=0;
$TimeLimit=60;
/*设置超时限制时间默认时间为 30s，设置为0时为不限时 */
set_time_limit($TimeLimit);
If(($Upfile != "none")&&
($Upfile != ""))
{
$Filepath="d:\web\web\php\test"; //上载文件存放路径
$FileName=$Filepath.$Upfile_name;
if($Upfile_size <1024) //上载文件大小
{$FileSize = (string)$Upfile_size . "字节";}
elseif($Upfile_size <(1024 * 1024))
{
$FileSize = number_format((double)($Upfile_size / 1024), 1) . " KB";
}
else
{
$FileSize = number_format((double)($Upfile_size/(1024*1024)),1)."MB";
}
if(!file_exists($FileName))
{
if(copy($Upfile,$FileName))
{unlink($Upfile);
echo "
\n";
echo "文件 $Upfile_name 已上载成功！";
echo "
\n";
echo "文件位置：$FileName";
echo "
\n";
echo "文件大小：$FileSize";
echo "
\n";
}
else
{echo "文件 $Upfile_name上载失败！"; }
}
else
{echo "文件 $Upfile_name已经存在！"; }
}
else
{echo "你没有选择任何文件上载！"; }
set_time_limit(30); //恢复默认超时设置
}
?>
ACTION = "default.php" METHOD = "POST">

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