


Removing Multiple UTF-8 BOM Sequences
When generating HTML templates using PHP5 (CGI), encountering issues with raw HTML output may be due to the presence of multiple UTF-8 Byte Order Marks (BOMs). To resolve this, consider implementing the following strategies:
Using a Regular Expression
One method is to employ a regular expression to remove the BOMs. By utilizing the code below, you can effectively eliminate all instances of BOMs from your text:
function remove_utf8_bom($text) { $bom = pack('H*','EFBBBF'); $text = preg_replace("/^$bom/", '', $text); return $text; }
Custom Byte Removal
Alternatively, you could manually remove the BOMs by examining the first three bytes of the input text and eliminating them if they match the UTF-8 BOM sequence. The following code snippet demonstrates this approach:
if (substr($t, 0, 3) == b'\xef\xbb\xbf') { $t = substr($t, 3); }
By implementing one of these techniques, you should be able to successfully remove any excess UTF-8 BOMs and ensure the proper display of your HTML templates in Firefox.
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