<?php //有些php文件由于不小心保存成了含bom头的格式而导致出现一系列的问题。以下是批量清除bom头的代码 if (isset ( $_GET ['dir'] )) { //config the basedir $basedir = $_GET ['dir']; } else { $basedir = '.'; } $basedir="./weibo/"; $auto = 1; checkdir ( $basedir ); function checkdir($basedir) { if ($dh = opendir ( $basedir )) { while ( ($file = readdir ( $dh )) !== false ) { if ($file != '.' && $file != '..') { if (! is_dir ( $basedir . "/" . $file )) { // 如果是文件 echo "filename: $basedir/$file " . checkBOM ( "$basedir/$file" ) . " "; } else { $dirname = $basedir . "/" .$file; // 如果是目录 checkdir ( $dirname ); // 递归 } } } closedir ( $dh ); } } function checkBOM($filename) { global $auto; $contents = file_get_contents ( $filename ); $charset [1] = substr ( $contents, 0, 1 ); $charset [2] = substr ( $contents, 1, 1 ); $charset [3] = substr ( $contents, 2, 1 ); if (ord ( $charset [1] ) == 239 && ord ( $charset [2] ) == 187 && ord ( $charset [3] ) == 191) { // BOM 的前三个字符的ASCII 码分别为 239 187 191 if ($auto == 1) { $rest = substr ( $contents, 3 ); rewrite ( $filename, $rest ); return (""); } else { return (""); } } else return ("BOM Not Found."); } function rewrite($filename, $data) { $filenum = fopen ( $filename, "w" ); flock ( $filenum, LOCK_EX ); fwrite ( $filenum, $data ); fclose ( $filenum ); }
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