Calcular o comprimento do conteúdo POST
Como posso calcular o tamanho do conteúdo por exemplo:
<code>POST /Upload/ HTTP/1.1 Host: test.lan User-Agent: Shockwave Flash Connection: Keep-Alive Cache-Control: no-cache Accept: text/* Content-Length: ????? Content-Type: multipart/form-data; boundary=----------------------------4d2179e6b3c0 ------------------------------4d2179e6b3c0 Content-Disposition: form-data; name="Filename" phpinfo.php ------------------------------4d2179e6b3c0 Content-Disposition: form-data; name="ASPSESSID" 6e223eb1c7561e9c599f03cc04e9444b ------------------------------4d2179e6b3c0 Content-Disposition: form-data; name="Filedata"; filename="phpinfo.php" Content-Type: application/octet-stream <? phpinfo(); ?> ------------------------------4d2179e6b3c0 Content-Disposition: form-data; name="Upload" Submit Query ------------------------------4d2179e6b3c0-- </code>