User: newasp
License:
===== LICENSE BEGIN =====
14617-12042010
00001xrVkhnPuM!Bd!vYtgydcusnqt
mM!hZWoGg"DprWxZCBwsy8T91O7MRu
NVHtrbzv8O9mmoLvtijcHSSE7i5Jr!
===== LICENSE END ====

<?php
/**
 * Created by PhpStorm.
 * User: LENOVO
 * Date: 2014/9/28
 * Time: 14:51
 */
// 輸出PHP詳細(xì)信息
echo phpinfo();
 
//C:\php-5.6.1-Win32-VC11-x86\php.exe D:\dizzy\php_test\index.php
//phpinfo()
//PHP Version => 5.6.1
//
//System => Windows NT LENOVO-PC 6.1 build 7600 (Windows 7 Ultimate Edition) i586
//Build Date => Sep 24 2014 18:54:12
//Compiler => MSVC11 (Visual C++ 2012)
//Architecture => x86
//Configure Command => cscript /nologo configure.js "--enable-snapshot-build" "--disable-isapi" "--enable-debug-pack" "--without-mssql" "--without-pdo-mssql" "--without-pi3web" "--with-pdo-oci=c:\php-sdk\oracle\x86\instantclient_12_1\sdk,shared" "--with-oci8-12c=c:\php-sdk\oracle\x86\instantclient_12_1\sdk,shared" "--enable-object-out-dir=../obj/" "--enable-com-dotnet=shared" "--with-mcrypt=static" "--without-analyzer" "--with-pgo"
//Server API => Command Line Interface

// 一個(gè)簡(jiǎn)單的html表單
<form action="action.php" method="post">
  <p>姓名: <input type="text" name="name" /></p>
  <p>年齡: <input type="text" name="age" /></p>
  <p><input type="submit" /></p>
</form>
 
// action.php 接收表單數(shù)據(jù)， 使用超全局變量
%_POST["name"]
%_POST["age"]
<?php echo htmlspecialchars($_POST['name']); ?>
<?php echo (int)$_POST['age']; ?>
// 這便是最簡(jiǎn)單的表單提交，及數(shù)據(jù)接收

<?php
 
echo "Hello World!";
 
// 當(dāng)文件為純PHP時(shí)，最好在末尾刪除PHP結(jié)束標(biāo)記
//?>

// 在一對(duì)開始和結(jié)束之外的內(nèi)容，都會(huì)被PHP解釋器忽略。也就是html標(biāo)簽和PHP代碼混合的那種，跟jsp，asp一樣...
<p>This is going to be ignored by PHP and displayed by the browser.</p>
<?php echo 'While this is going to be parsed.'; ?>
<p>This will also be ignored by PHP and displayed by the browser.</p>
 
// 使用條件，高級(jí)分離
<?php if ($expression == true): ?>
  This will show if the expression is true.
<?php else: ?>
  Otherwise this will show.
<?php endif; ?>

<?php
$a_bool = TRUE;  // a boolean
$a_str = "foo"; // a string
$a_str2 = 'foo'; // a string
$an_int = 12;   // an integer
 
echo gettype($a_bool); // prints out: boolean
echo gettype($a_str); // prints out: string
 
// If this is an integer, increment it by four
if (is_int($an_int)) {
  $an_int += 4;
}
 
// If $bool is a string, print it out
// (does not print out anything)
if (is_string($a_bool)) {
  echo "String: $a_bool";
}
?>

echo (int)2.9; // 輸出 2
echo round(2.555, 2) // 輸出 2.56

// 決不要將未知的分?jǐn)?shù)強(qiáng)制轉(zhuǎn)換為 integer，這樣有時(shí)會(huì)導(dǎo)致不可預(yù)料的結(jié)果。
<?php
echo (int) ( (0.1+0.7) * 10 ); // 顯示 7!
?>

<?php
$a = 1.234;
$b = 1.2e3;
$c = 7E-10;
?>

<?php
$a = 123;
echo '$a'; // 輸出 $a
echo "$a"; // 輸出 123, 轉(zhuǎn)義字符 '\'
 
$str = <<<'EOD'
Example of string
spanning multiple lines
using nowdoc syntax.
EOD;
 
?>

<?php
$array = array(
  "foo" => "bar",
  "bar" => "foo",
);
 
// 自PHP 5.4 起
$array = [
  "foo" => "bar",
  "bar" => "foo",
]
// key 可以是 integer 或 string 類型
// key 值為可選項(xiàng)， 如果未指定，則使用之前用過(guò)最大的integer鍵名加上1作為新鍵名
?>
 
// 要修改某個(gè)值，通過(guò)其鍵名給該單元賦一個(gè)新值。
// 要?jiǎng)h除某個(gè)鍵值對(duì)，對(duì)其調(diào)用 unset() 函數(shù)。

<?php
class foo{
  function do_foo(){
    echo "Doing foo.";
  }
}
// 用 new 實(shí)例化一個(gè)類
$f = new foo;
$f->do_foo;

<?php
 
$a = 1;
// 值傳遞賦值 
$b = $a
// 引用賦值
$c = &$a
 
// global 關(guān)鍵字
global ； $GLOBALS