PHP Functions Essential Reference

odbc_field_precision

int odbc_field_precision(resource result, int column) 

Displays field length.

Returns:

Field length; FALSE on error

Description:

Displays the length of the field specified by a field number. Field numbering starts at 1.

This function is an alias for odbc_field_len().

Version:

Existing since version 3.0.6

Example:

Display field lengths

$db = odbc_connect("DSN","user","pass"); $sql = "SELECT * FROM Products"; $result = odbc_exec($db, $sql); odbc_fetch_row($result); for ($col=1; $col<=odbc_num_fields($result); $col++) { printf("Column %s has length %s\n", odbc_field_name($result, $col), odbc_field_precision($result, $col)); }