pg_field_num

pg_field_num

Returns the field number of the named field

int **pg_field_num** PgSql\Result $result string $field

will return the number of the

field number that corresponds to the in the given instance. pg_field_num``field``result

Opmerking: > This function used to be called . pg_fieldnum

result``fieldThe name of the field. The given name is treated like an identifier in an SQL command, that is, it is downcased unless double-quoted.

The field number (numbered from 0), or -1 on error.

Voorbeeld: 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');
?>

Column 'title' is field number: 2

pg_field_name