mysqli_fetch_field_direct(result,fieldIndex);
它用于将输出集中的下一列作为对象返回。
Sr.No | 参数 & Description |
---|---|
1 |
result 它指定mysqli_query()、mysqli_store_result()或mysqli_use_result()返回的输出集标识符 |
2 |
fieldIndex 它指定字段索引,并且应该介于0和-1之间 |
它返回一个包含字段定义信息的对象,如果失败,则返回FALSE
链接:https://www.learnfk.comhttps://www.learnfk.com/php/mysqli-fetch-field-direct.html
来源:LearnFk无涯教程网
<?php $connection_mysql=mysqli_connect("localhost","user","password","db"); if (mysqli_connect_errno($connection_mysql)){ echo "Failed to connect to MySQL: " . mysqli_connect_error(); } $sql="SELECT Lastname FROM Persons"; if ($result=mysqli_query($connection_mysql,$sql)){ $fieldinfo=mysqli_fetch_field_direct($result,1); print $fieldinfo->name; print $fieldinfo->table; print $fieldinfo->max_length; mysqli_free_result($result); } mysqli_close($connection_mysql); ?>
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