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(PECL CUBRID >= 8.3.0)
cubrid_field_len — Get the maximum length of the specified field
$result
, int $field_offset
)This function returns the maximum length of the specified field on success, or it returns FALSE on failure.
result
result
comes from a call to cubrid_execute()
field_offset
The numerical field offset. The field_offset
starts at 0. If field_offset
does not exist, an error of level E_WARNING
is also issued.
Maximum length, when process is successful.
FALSE
on failure.
Example #1 cubrid_field_len() example
<?php
$conn = cubrid_connect ( "localhost" , 33000 , "demodb" );
$result = cubrid_execute ( $conn , "SELECT * FROM game WHERE host_year=2004 AND nation_code='AUS' AND medal='G'" );
$column_names = cubrid_column_names ( $result );
$column_types = cubrid_column_types ( $result );
printf ( "%-30s %-30s %-15s\n" , "Column Names" , "Column Types" , "Column Maxlen" );
for( $i = 0 , $size = count ( $column_names ); $i < $size ; $i ++) {
$column_len = cubrid_field_len ( $result , $i );
printf ( "%-30s %-30s %-15s\n" , $column_names [ $i ], $column_types [ $i ], $column_len );
}
cubrid_disconnect ( $conn );
?>
以上例程会输出:
Column Names Column Types Column Maxlen host_year integer 11 event_code integer 11 athlete_code integer 11 stadium_code integer 11 nation_code char 3 medal char 1 game_date date 10