PHP简略源码学习

WBOY
Release: 2016-06-13 13:17:57
Original
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PHP简单源码学习
书上的源代码,好多个,每个都要敲就烦死了,
上网扣了段遍历文件的代码:http://www.web589.com/posts/808.html
作者写得不错的嘛,注释非常详细

<?php $var = "把当前目录下,所以文件以超链接形式给出<br /><br>";
	
	function directory($dir){
		$dp = opendir($dir);
		while($file = readdir($dp)){
			if($file !="." && $file !=".."){
				$path=$dir. "/". $file;	/* 取得目录路径 */
				
				if(is_dir($path)){	/* 判断是否有子目录 */
					directory($path);	/* 函数递归调用 */
					echo "<br><hr>";
				}
				else{ 
					printf('<a href="'.%24path.'" target="_blank">'.$path.'</a><br><br>');
				}
			}
		}
		closedir($dp);
	}
 
	directory(".");

?>
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<?php phpinfo();
?>

   $number = "5";               # $number is a string
   $sum = 15 + $number;   	# Add an integer and string to produce integer
   print("$sum\n");
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