使用php清除bom示例

2015-01-24信息快讯网

本文主要介绍了使用PHP去除文件BOM头的的示例,需要的朋友可以参考下

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.");

}

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