ibase_num_fields

(PHP 5)

ibase_num_fields — Get the number of fields in a result set

说明

int ibase_num_fields ( resource $result_id )

Get the number of fields in a result set.

参数

result_id: An InterBase result identifier.

返回值

Returns the number of fields as an integer.

范例

Example #1 ibase_num_fields() example

  <?php
$rs  =  ibase_query ( "SELECT * FROM tablename" );
 $coln  =  ibase_num_fields ( $rs );
for ( $i  =  0 ;  $i  <  $coln ;  $i ++) {
     $col_info  =  ibase_field_info ( $rs ,  $i );
    echo  "name: "  .  $col_info [ 'name' ] .  "\n" ;
    echo  "alias: "  .  $col_info [ 'alias' ] .  "\n" ;
    echo  "relation: "  .  $col_info [ 'relation' ] .  "\n" ;
    echo  "length: "  .  $col_info [ 'length' ] .  "\n" ;
    echo  "type: "  .  $col_info [ 'type' ] .  "\n" ;
}
 ?>

参见

ibase_field_info() - Get information about a field