http_match_etag
http_match_request_header
Funções para HTTP
PHP Manual

# http_match_modified

(PECL pecl_http >= 0.1.0)

http_match_modified — Match last modification

### Descrição

bool http_match_modified ([ int `$timestamp` [, bool `$for_range` = false ]] )

Matches the given Unix timestamp against the clients If-Modified-Since resp. If-Unmodified-Since HTTP headers.

### Parâmetros

`timestamp`

  Unix timestamp; current time, if omitted

`for_range`

  if set to `TRUE`, the header usually used to validate HTTP ranges will be checked

### Valor Retornado

Returns `TRUE` if timestamp represents an earlier date than the header, else `FALSE`.

### Veja Também

- http_match_etag() - Match ETag
- http_match_request_header() - Match any header
- http_cache_etag() - Caching by ETag
- http_cache_last_modified() - Caching by last modification

http_match_etag
http_match_request_header
Funções para HTTP
PHP Manual