(PHP 5, PHP 7 < 7.4.0)
ibase_num_fields — 获取结果集中的字段数
result_id一个 InterBase 结果标识符。
返回字段数，以整数形式。
示例 #1 ibase_num_fields() 示例
<?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";
}
?>