PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8
bzcompress - Compress a string into bzip2 encoded data
bzcompress( string$data, [int$block_size = 4], [int$work_factor = 0] ): string|int
bzcompress compresses the given string and returns it as bzip2 encoded data.
The string to compress.
Specifies the blocksize used during compression and should be a number from 1 to 9 with 9 giving the best compression, but using more resources to do so.
Controls how the compression phase behaves when presented with worst case, highly repetitive, input data. The value can be between 0 and 250 with 0 being a special case.
Regardless of the work_factor, the generated output is the same.
The compressed string, or an error number if an error occurred.
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