(PHP 7, PHP 8)
deflate_add — Incrementally deflate data
deflate_add(DeflateContext $context, string $data, int $flush_mode = ZLIB_SYNC_FLUSH): string|false
Incrementally deflates data in the specified context.
contextA context created with deflate_init().
dataA 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.
Returns a chunk of compressed data, or false on failure.
If invalid arguments are given, an error of level E_WARNING is generated.
| Version | Description |
|---|---|
| 8.0.0 | context expects a DeflateContext instance now; previously, a resource was expected. |
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https://www.php.net/manual/en/function.deflate-add.php