CUBRID MySQL 兼容性函数
PHP Manual

cubrid_field_len

(PECL CUBRID >= 8.3.0)

cubrid_field_lenGet the maximum length of the specified field

说明

int cubrid_field_len ( resource $result , int $field_offset )

This function returns the maximum length of the specified field on success, or it returns FALSE on failure.

参数

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.

返回值

Maximum length, when process is successful.

FALSE on failure.

范例

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                 

CUBRID MySQL 兼容性函数
PHP Manual