How to remove Unicode signature from file header in PHP

This article mainly brings you a Unicode signature (BOM) method using PHP to remove the file header. The editor thinks it is quite good, so I will share it with you now and give it as a reference for everyone. Let’s follow the editor and take a look. I hope it can help everyone.

No more nonsense, just go to the code

"; } closedir($dh); } function checkBOM ($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 ($filename, $rest); return true; } else return ("BOM Not Found."); } function rewrite ($filename, $data) { $filenum=fopen($filename,"w"); flock($filenum,LOCK_EX); fwrite($filenum,$data); fclose($filenum); } ?>

Related recommendations:

Solution to the problem of Chinese UNICODE transcoding in json_encode in php

Comparison between direction and unicode-bidi in css

Share an implementation method of converting Unicode to UTF-8 using PHP

The above is the detailed content of How to remove Unicode signature from file header in PHP. For more information, please follow other related articles on the PHP Chinese website!