PHPTS:一键免费搭建 Nginx + PHP + MySQL 运行环境

ibase_num_fields

(PHP 5, PHP 7)

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";
}
?>

参见