disk_free_space

Function • Params and return types changed in PHP 8.0

Returns available space on filesystem or disk partition.

PHP 5

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`disk_free_space` Function synopsis

disk_free_space(string $directory): float|false

Parameters

`$directory`

Typestring

A directory of the filesystem or disk partition.

Return value

Typefloat|false

Returns the number of available bytes as a float or false on failure.

Changes to the `disk_free_space` Function

PHP 8.0

Return type added: float|false
Parameter name of parameter #1 changed: $path to $directory
Parameter type added for parameter #1 ($directory): string

- disk_free_space($path)
+ disk_free_space(string $directory): float|false

`disk_free_space` 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