PHP过滤页面中的BOM数据的简单实例
时间：2021-07-01 10:21:17
帮助过：2人阅读
- /**
- * 过滤页面中bom
- * edit bbs.it-home.org
- */
- function checkBOM ($filename) {
- $contents = file_get_contents($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) {
- $rest = substr($contents, 3);
- rewrite $rest;
- }else{
- return false;
- }
- }
- ?>
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