gzuncompress

Function • Params and return types changed in PHP 8.0

Uncompress a compressed string.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

gzuncompress Function synopsis

gzuncompress(string $data, int $max_length = 0): string|false

Parameters

$data

Typestring

The data compressed by gzcompress.

$max_length

OptionalTypeintDefault value0

The maximum length of data to decode.

Return value

Typestring|false

The original uncompressed data or false on error.

The function will return an error if the uncompressed data is more than 32768 times the length of the compressed input $data or more than the optional parameter $max_length.

Changes to the gzuncompress Function

PHP 8.0

  • Return type added: string|false
  • Parameter type added for parameter #1 ($data): string
  • Parameter name of parameter #2 changed: $max_decoded_len to $max_length
  • Parameter type added for parameter #2 ($max_length): int
  • Parameter default value added for position #2 ($max_length): 0
- gzuncompress($data, $max_decoded_len)
+ gzuncompress(string $data, int $max_length = 0): string|false

PHP 5.4

  • Parameter name of parameter #2 changed: $length to $max_decoded_len
- gzuncompress($data, $length)
+ gzuncompress($data, $max_decoded_len)

gzuncompress Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes