zlib_decode

Function • Params and return types changed in PHP 8.0

Uncompress any raw/gzip/zlib encoded data.

PHP 5.3
PHP 5.4
Added
PHP 5.5-5.6
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

zlib_decode Function synopsis

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

Parameters

$data

Typestring

$max_length

OptionalTypeintDefault value0

Return value

Typestring|false

Returns the uncompressed data, or false on failure.

Changes to the zlib_decode 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 ($max_length): 0
- zlib_decode($data, $max_decoded_len)
+ zlib_decode(string $data, int $max_length = 0): string|false

PHP 5.4

  • Function added

zlib_decode 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 No