Php/docs/function.ibase-num-fields
来自菜鸟教程
ibase_num_fields
(PHP 5, PHP 7 < 7.4.0)
ibase_num_fields — Get the number of fields in a result set
说明
ibase_num_fields
( resource $result_id
) : int
Get the number of fields in a result set.
参数
result_id- An InterBase result identifier.
返回值
Returns the number of fields as an integer.
范例
Example #1 ibase_num_fields() example
<?php$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'] . "\n"; echo "alias: " . $col_info['alias'] . "\n"; echo "relation: " . $col_info['relation'] . "\n"; echo "length: " . $col_info['length'] . "\n"; echo "type: " . $col_info['type'] . "\n";}?>
