The 5th Annual China PHP Conference

deflate_add

(PHP 7)

deflate_addIncrementally deflate data

Description

string deflate_add ( resource $context , string $data [, int $flush_mode = ZLIB_SYNC_FLUSH ] )

Incrementally deflates data in the specified context.

Parameters

context

A context created with deflate_init().

data

A chunk of data to compress.

flush_mode

One of ZLIB_BLOCK, ZLIB_NO_FLUSH, ZLIB_PARTIAL_FLUSH, ZLIB_SYNC_FLUSH (default), ZLIB_FULL_FLUSH, ZLIB_FINISH. Normally you will want to set ZLIB_NO_FLUSH to maximize compression, and ZLIB_FINISH to terminate with the last chunk of data. See the » zlib manual for a detailed description of these constants.

Return Values

Returns a chunk of compressed data, or FALSE on failure.

Errors/Exceptions

If invalid arguments are given, an error of level E_WARNING is generated.

See Also

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top