zlib_get_coding_type

Function • Return type changed in PHP 8.0

Returns the coding type used for output compression.

PHP 5

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`zlib_get_coding_type` Function synopsis

zlib_get_coding_type(): string|false

Parameters

zlib_get_coding_type does not take any parameters.

Return value

Typestring|false

Possible return values are gzip, deflate, or false.

Changes to the `zlib_get_coding_type` Function

PHP 8.0

Return type added: string|false

- zlib_get_coding_type()
+ zlib_get_coding_type(): string|false

`zlib_get_coding_type` Function Availability

PHP Version	Availability
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