Beware, the field index starts with 1, not 0. It's a bit counter-intuitive.
(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)
oci_field_name — 返回 statement 中的字段名
statement
有效的 OCI 语句标识符。
column
字段索引(从 1 开始)或者名称。
返回字符串形式的名称, 或者在失败时返回 false
示例 #1 oci_field_name() 示例
<?php
// 创建表:
// CREATE TABLE mytab (number_col NUMBER, varchar2_col varchar2(1),
// clob_col CLOB, date_col DATE);
$conn = oci_connect("hr", "hrpwd", "localhost/XE");
if (!$conn) {
$m = oci_error();
trigger_error(htmlentities($m['message']), E_USER_ERROR);
}
$stid = oci_parse($conn, "SELECT * FROM mytab");
oci_execute($stid, OCI_DESCRIBE_ONLY); // Use OCI_DESCRIBE_ONLY if not fetching rows
echo "<table border=\"1\">\n";
echo "<tr>";
echo "<th>Name</th>";
echo "<th>Type</th>";
echo "<th>Length</th>";
echo "</tr>\n";
$ncols = oci_num_fields($stid);
for ($i = 1; $i <= $ncols; $i++) {
$column_name = oci_field_name($stid, $i);
$column_type = oci_field_type($stid, $i);
echo "<tr>";
echo "<td>$column_name</td>";
echo "<td>$column_type</td>";
echo "</tr>\n";
}
echo "</table>\n";
// 输出:
// Name Type
// NUMBER_COL NUMBER
// VARCHAR2_COL VARCHAR2
// CLOB_COL CLOB
// DATE_COL DATE
oci_free_statement($stid);
oci_close($conn);
?>