fbsql_list_fields()
(PHP 4 >= 4.0.6, PHP 5, PHP 7)
List FrontBase result fields
说明
fbsql_list_fields(string $database_name,string $table_name[,resource $link_identifier]): resource
Retrieves information about the given table.
参数
- $database_name
The database name.
- $table_name
The table name.
- $link_identifier
由fbsql_connect()或fbsql_pconnect()返回的 FrontBase 链接标识符.
如可选并未指定,函数会尝试查找一个到 FrontBase 服务器的开放链接,且如没有找到这样的链接,会尝试通过不带参数调用fbsql_connect()来创建一个。
返回值
Returns a result pointer which can be used with thefbsql_field_xxxfunctions, or FALSE
on error.
错误/异常
A string describing the error will be placed in$phperrmsg, and unless the function was called as@fbsql()then this error string will also be printed out.
范例
Example #1 fbsql_list_fields() example
<?php $link = fbsql_connect('localhost', 'myname', 'secret'); $fields = fbsql_list_fields("database1", "table1", $link); $columns = fbsql_num_fields($fields); for ($i = 0; $i < $columns; $i++) { echo fbsql_field_name($fields, $i) . "\n";; } ?>
以上例程的输出类似于:
field1 field2 field3 ...
参见
fbsql_field_len()
Returns the length of the specified fieldfbsql_field_name()
Get the name of the specified field in a resultfbsql_field_type()
Get the type of the specified field in a resultfbsql_field_flags()
Get the flags associated with the specified field in a result