Tickets :: Comment on [#3359] Make use of streams for speed and memory efficiency

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Comment	> Some notes on some testing: > > > > Will want to use this format: > > php://filter/read=convert.base64-encode/resource=file:///tmp/foo > > > > See http://us.php.net/manual/en/wrappers.php.php > > > > Don't use file_get_contents()/stream_get_contents(). On my test file > (11 MB of text data), file_get_contents() required 23 MB. This is > much more efficient: > > > > while (!feof($a)) { > > $b .= fread($a, 8192); > > } > > > > This used only 300-400KB over the file size. > > > > Same with writing - don't use file_write_contents() for large data. > fwrite in chunks (4096 is probably good). > > > > And use temp stream. temp will copy to memory for first X MB > (configurable) and then will write to disk. Reading the 11 MB file > via the method above, and then writing to temp stream using fwrite(), > and then rewinding temp stream pointer and reading entire file using > fread() took only 14 MB total.
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