php -- 變數

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----- 006-variable.php -----

 1 <!DOCTYPE html> 2 <html> 3 <head> 4     <meta http-equiv="content-type" content="text/html; charset=utf-8"> 5     <title>一個PHP網頁</title> 6 </head> 7 <body> 8 <?php 9     //靜態變數測試10     function static_test()11     {12         static $haha = "";13         $haha .= "哈";14         echo $haha."<br/>\n";15     }16     static_test();17     static_test();18     static_test();19     static_test();20     static_test();21     static_test();22     static_test();23 ?>24 </body>25 </html>

----- 007-predefine_variable.php -----

預定義變數

 1 <!DOCTYPE html> 2 <html> 3 <head> 4     <meta http-equiv="content-type" content="text/html; charset=utf-8"> 5     <title>一個PHP網頁</title> 6 </head> 7 <body> 8 <pre> 9 <?php10     echo "IP地址是:", $_SERVER[‘REMOTE_ADDR‘], "<br/>";11     echo "使用者代理程式是:", $_SERVER[‘HTTP_USER_AGENT‘], "<br/>";12 ?>13 <h3>_SERVER</h3>14 <?php15     foreach($_SERVER as $key=>$value)16     {17         echo $key." : ".$value."\n";18     }19 ?>20 <h3>超級全域變數GLOBALS</h3>21 <?php print_r($GLOBALS); ?>22 <br/>23 <?php24     print_r($_REQUEST);25     //print_r($_SESSION);#未識別的變數26 ?>27 </pre>28 </body>29 </html>

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