BOM in php script output

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This Dreamhost support thread was started by rogwei on 2010-03-23 19:11:18:

Post Reply? I am providing a web service on a dreamhost server and the client is receiving what looks like a byte order mark in the content body of the script output as follows. key=EF5859DAB283A56A The relevant lines of script code follow. $msg = ”; … global $msg,$errors; //inside validation function … global $msg; //inside db insert function … global $msg; //inside key generate function … $msg .= ‘key=’.functionThatReturnsString(); //inside key generation function … global $msg; header(’Content-type: text/html’); header(’Content-Length: ‘ . strlen(utf8_decode($msg))); echo $msg; There cannot be a BOM before the header(string) calls or I would be getting a PHP warning, no? I am not getting any warnings. Does echo(string) insert a BOM (or other hidden characters) before the string argument? Can someone tell me how those characters are getting inserted into the content body? I am clueless. Thanks for your attention.

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