cubrid_field_len

Get the maximum length of the specified field

説明

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.

パラメータ

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.

戻り値

Maximum length, when process is successful.

false on failure.

例

例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);
?>

上の例の出力は以下となります。

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