ibase_num_fields
(PHP 4, PHP 5)
ibase_num_fields — Get the number of fields in a result set
说明
int ibase_num_fields ( resource $result_id )Get the number of fields in a result set.
参数
- result_id
-
An InterBase result identifier.
返回值
Returns the number of fields as an integer.
范例
Example #1 ibase_num_fields() example
<?php
$rs = ibase_query("SELECT * FROM tablename");
$coln = ibase_num_fields($rs);
for ($i = 0; $i < $coln; $i++) {
$col_info = ibase_field_info($rs, $i);
echo "name: " . $col_info['name'] . "
";
echo "alias: " . $col_info['alias'] . "
";
echo "relation: " . $col_info['relation'] . "
";
echo "length: " . $col_info['length'] . "
";
echo "type: " . $col_info['type'] . "
";
}
?>
参见
- ibase_field_info() - Get information about a field
