<?php |
//php 去除BOM文档 |
//by magicbug at gmail dot com |
if (isset( $_GET [ 'dir' ])){ //要去除的文件目录,无参数则为文件当前目录。 |
$basedir = $_GET [ 'dir' ]; |
} else { |
$basedir = '.' ; |
} |
$auto = 1; |
checkdir( $basedir ); |
function checkdir( $basedir ){ |
if ( $dh = opendir( $basedir )) { |
while (( $file = readdir( $dh )) !== false) { |
if ( $file != '.' && $file != '..' ){ |
if (! is_dir ( $basedir . "/" . $file )) { |
echo "filename: $basedir/$file " .checkBOM( "$basedir/$file" ). " <br>" ; |
} else { |
$dirname = $basedir . "/" . |
$file ; |
checkdir( $dirname ); |
} |
} |
} |
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) { |
if ( $auto == 1) { |
$rest = substr ( $contents , 3); |
rewrite ( $filename , $rest ); |
return ( "<font color=red>BOM found,automatically removed.</font>" ); |
} else { |
return ( "<font color=red>BOM found.</font>" ); |
} |
} |
else return ( "BOM Not Found." ); |
} |
function rewrite ( $filename , $data ) { |
$filenum = fopen ( $filename , "w" ); |
flock ( $filenum , LOCK_EX); |
fwrite( $filenum , $data ); |
fclose( $filenum ); |
} |
?> |
//该片段来自于http://yuncode.net |