PHP - Manual: msql_field_len
2024-11-15
(PHP 4, PHP 5, PHP 7)
msql_field_len — Get field length
$result
, int $field_offset
) : intmsql_field_len() returns the length of the specified field.
Returns the length of the specified field or FALSE
on error.
官方地址:https://www.php.net/manual/en/function.msql-field-len.php