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PHP Manual [deflate_add]

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PHP Manual || Zlib Functions

(PHP 7)

deflate_addIncrementally deflate data

Description

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

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



PHP Manual || Zlib Functions