(PECL pecl_http >= 0.1.0)
http_send_last_modified — Send Last-Modified
$timestamp
= time()
] )Send a Last-Modified header with a valid HTTP date.
Nota: This function should be used in conjunction with http_send_data(), http_send_file() and http_send_stream().
timestamp
a Unix timestamp, converted to a valid HTTP date; if omitted, the current time will be sent
Retorna TRUE
em caso de sucesso ou FALSE
em caso de falha.