<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1.$a = 3;$b = 2;echo (int)$a/(int)$b为什么输出是 1.5?2.How can you hide the fact that web pages are written in PHP?a. By using AddType application/X-httpd-php aspb. Specify all file names without any dot and extensionc. By using .htaccess diretive in Apeched. All of the above3.解释一下Using Register Globals。
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