pg_num_fields

Returns the number of fields in a result

int **pg_num_fields** PgSql\Result $result

returns the number of fields

(columns) in the instance. pg_num_fields``PgSql\Result

Opmerking: > This function used to be called . pg_numfields

result

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

Voorbeeld: example

<?php
$result = pg_query($conn, "SELECT 1, 2");

$num = pg_num_fields($result);

echo $num . " field(s) returned.\n";
?>

2 field(s) returned.

pg_num_rows``pg_affected_rows

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