Tips on using functions related to getting field length in PHP_PHP tutorial

Tips for using functions related to getting field length in PHP_PHP Tutorial

As a qualified

when designing a database, Because the data meaning represented by each field is different, the length of each field will not be exactly the same. In PHP, the mysql_field_len() function can be used to obtain the field length in PHP. The syntax format of this function is as follows:

int mysql_field_len ( resource $result, int $field_offset )

The parameters involved in the above syntax are described as follows.

l result：mysql_query()函数执行后返回的结果集。
l field_offset：字段的偏移量，起始值为零。

The sample code for PHP to get the field length using the mysql_field_len() function is as follows:

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The above is the PHP to get the field length Related methods are explained. For more related content, please pay attention to the PHP Chinese website (www.php.cn)!

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