php读取目录、文件并显示的函数

读取指定的目录，并显示其中的文件个数和文件名。
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<?
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/*
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This script read the filenames from a specified directory and returns them in an array.
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*/
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Function searchdir($basedir)
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{
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global $filelisting, $number; //defines the two variables as global so they can be accessed
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unset($filelisting); //kills $filelisting in case it have been used earlier in the
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unset($number); //same as above
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$handle=opendir($basedir);
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while ($file = readdir($handle)) {
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if ($file=="." or $file=="..") {
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} else {
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$filelisting[]="$basedir$file";
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};
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};
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$number=sizeof($filelisting); //取得文件个数
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};
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searchdir("."); //runs the function to search the current directory
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echo $filelisting[1]; //echos the second value in the array
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echo $number; //echos the size of the array
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?>
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