Php/docs/function.pg-field-num
From Get docs
pg_field_num
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
pg_field_num — Returns the field number of the named field
Description
pg_field_num
( resource $result
, string $field_name
) : int
pg_field_num() will return the number of the
field number that corresponds to the
field_name in the given PostgreSQL
result resource.
Note:
This function used to be called pg_fieldnum().
Parameters
result- PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).
field_name- The name of the field.
Return Values
The field number (numbered from 0), or -1 on error.
Examples
Example #1 Getting information about fields
<?php $dbconn = pg_connect("dbname=publisher") or die("Could not connect"); $res = pg_query($dbconn, "select author, year, title from authors where author = 'Orwell'"); echo "Column 'title' is field number: ", pg_field_num($res, 'title');?>
The above example will output:
Column 'title' is field number: 2
