sscanf

Function • Params and return types changed in PHP 8.0

Parses input from a string according to a format.

PHP 5

PHP 7

Improved

PHP 8.1

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`sscanf` Function synopsis

sscanf(
    string $string,
    string $format,
    mixed ...&$vars
  ): array|int|null

Parameters

`$string`

Typestring

`$format`

Typestring

`$vars`

Variadic, Passed by reference, OptionalTypemixed

Note that the parameter $vars is passed by reference, and contains additional/updated context data that may be useful.

Return value

Typearray|int|null

Changes to the `sscanf` Function

PHP 8.0

Return type added: array|int|null
Parameter name of parameter #1 changed: $str to $string
Parameter type added for parameter #1 ($string): string
Parameter type added for parameter #2 ($format): string
Parameter type added for parameter #3 ($vars): mixed

  sscanf(
-     $str,
+     string $string,
-     $format,
+     string $format,
-     ...&$vars
+     mixed ...&$vars
-   )
+   ): array|int|null

PHP 5.6

Parameter name of parameter #3 changed: $... to $vars

  sscanf(
      $str,
      $format,
-     &$...
+     ...&$vars
    )

`sscanf` 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