(PHP 4 >= 4.0.6, PHP 5, PHP 7)
fbsql_field_type — Get the type of the specified field in a result
$result
[, int $field_offset
] )fbsql_field_type() is similar to the fbsql_field_name() function, but the field type is returned instead.
result由 fbsql_query() 或 fbsql_db_query() 返回的结果标识符。
field_offsetThe numerical offset of the field. The field index starts at 0.
Returns the field type, as a string.
This can be one of int, real, string, blob, and others as detailed in the » FrontBase documentation.
Example #1 fbsql_field_type() example
<?php
fbsql_connect("localhost", "_SYSTEM", "");
fbsql_select_db("wisconsin");
$result = fbsql_query("SELECT * FROM onek;");
$fields = fbsql_num_fields($result);
$rows = fbsql_num_rows($result);
$i = 0;
$table = fbsql_field_table($result, $i);
echo "Your '" . $table . "' table has " . $fields . " fields and " . $rows . " records <br />";
echo "The table has the following fields <br />";
while ($i < $fields) {
$type = fbsql_field_type($result, $i);
$name = fbsql_field_name($result, $i);
$len = fbsql_field_len($result, $i);
$flags = fbsql_field_flags($result, $i);
echo $type . " " . $name . " " . $len . " " . $flags . "<br />";
$i++;
}
fbsql_close();
?>