pg_num_fields

Function • Params changed in PHP 8.1

Returns the number of fields in a result.

PHP 5

PHP 7

Improved

Improved

PHP 8.2-8.3

PHP 8.4

PHP 8.5

PHP 8.6

`pg_num_fields` Function synopsis

pg_num_fields(PgSql\Result $result): int

Parameters

`$result`

TypePgSql\Result

Return value

Typeint

The number of fields (columns) in the result. On error, -1 is returned.

Changes to the `pg_num_fields` Function

PHP 8.1

Parameter type added for parameter #1 ($result): PgSql\Result

- pg_num_fields($result): int
+ pg_num_fields(PgSql\Result $result): int

PHP 8.0

Return type added: int

- pg_num_fields($result)
+ pg_num_fields($result): int

`pg_num_fields` 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