我有一个函数来读取文本文件并与目录搜索交叉匹配,以计算描述(文本文件)和文件的目录索引。我使用 leveltensin 函数来提供一些模糊逻辑,因此名称不需要 100% 相同,但我遇到了一个障碍,因为我现在设置了它,我正在修复记忆墙,因为当我取消注释行时在它下面搜索整个 txt 文件并将每个 ling 与目录文件名进行比较。超过 700 个文件每个都被检查了 700 次,我很快就耗尽了内存。我需要一些方法来跳出 while (!feof($file_handle) ) 当它找到一个匹配然后找到一些方法来设置下一次传递的起点到我们停止它的行位置所以它是循环 0-700每一次
function GenerateList($titleB, $descB, $thumbB, $dirB, $patternB){
$outputB = "<CATEGORY name=\"$titleB\" desc=\"$descB\" thumb=\"$thumbB\">";
$open_error = 0;
if (is_dir($dirB)){
$myDirectory = opendir($dirB);
// get each entry
while($entryName = readdir($myDirectory)) {
$dirArray[] = $entryName;
}
// close directory
closedir($myDirectory);
// count elements in array
$indexCount = count($dirArray);
// sort em
sort($dirArray);
// loop through the array of files and print them all
if (!($text = file_get_contents("Scripts/descriptions.txt"))){$open_error = 1;}
$results = array();
for($index=0; $index < $indexCount; $index++) {
$ext = explode(".", $dirArray[$index]);
$parsed_title = preg_replace ($patternB, "", $ext[0]);
if ((substr("$dirArray[$index]", 0, 1) != ".")&&($ext[1] == "flv")){ // don't list hidden files
//if ($open_error == 0){
// $file_handle = fopen("Scripts/descriptions.txt", "rb");
//while (!feof($file_handle) ) {
//$line_of_text = fgets($file_handle);
//$parts = explode('|', $line_of_text);
/*
echo "<PRE>";
echo strtolower($parts[0]);
echo "</br>";
echo strtolower($parsed_title);
echo "</br>";
echo "</PRE>";
*/
//if ((wordMatch(strtolower($parts[0]), strtolower($parsed_title), 2)) > 0){
$outputB .= "<ITEM>";
$outputB .= "<file_path>/Sources/Power Rangers/$dirB".$dirArray[$index]."</file_path>";
$outputB .= "<file_width>500</file_width>";
$outputB .= "<file_height>375</file_height>";
$outputB .= "<file_title>".$parsed_title."</file_title>";
// $outputB .= "<file_desc>".$parts[1]."</file_desc>";
$outputB .= "<file_desc>test</file_desc>";
// $outputB .= "<file_image>".$match_result[2]."</file_image>";
$outputB .= "<file_image>$thumbB</file_image>";
// $outputB .= "<featured_image>".$match_result[3]."</featured_image>";
$outputB .= "<featured_image>$thumbB</featured_image>";
// $outputB .= "<featured_or_not>".$parts[4]."</featured_or_not>";
$outputB .= "<featured_or_not>true</featured_or_not>";
$outputB .= "</ITEM>";
//};//if ((wordMatch($parts[0], strtolower($word), 2) > 0)
//};//while
//fclose($file_handle);
//};//if ($open_error == 0)
};//if ((substr("$dirArray[$index]", 0, 1) != ".")&&($ext[1] == "flv"))
};//for($index=0; $index < $indexCount; $index++)
};//if (file_exists($dirB))
$outputB .= "</CATEGORY>";
return $outputB;
};//function
function wordMatch($words, $input, $sensitivity){
$shortest = -1;
foreach ($words as $word) {
$lev = levenshtein($input, $word);
if ($lev == 0) {
$closest = $word;
$shortest = 0;
break;
} //if
if ($lev <= $shortest || $shortest < 0) {
$closest = $word;
$shortest = $lev;
} //if
} //foreach
if($shortest <= $sensitivity){
return $closest;
} else {
return 0;
} //if/else
} // function, http://php.net/manual/en/function.levenshtein.php